| /* |
| * Copyright 2011 Red Hat Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Ben Skeggs |
| */ |
| #include "disp.h" |
| #include "atom.h" |
| #include "core.h" |
| #include "head.h" |
| #include "wndw.h" |
| #include "handles.h" |
| |
| #include <linux/dma-mapping.h> |
| #include <linux/hdmi.h> |
| #include <linux/component.h> |
| #include <linux/iopoll.h> |
| |
| #include <drm/drm_atomic.h> |
| #include <drm/drm_atomic_helper.h> |
| #include <drm/drm_dp_helper.h> |
| #include <drm/drm_edid.h> |
| #include <drm/drm_fb_helper.h> |
| #include <drm/drm_plane_helper.h> |
| #include <drm/drm_probe_helper.h> |
| #include <drm/drm_scdc_helper.h> |
| #include <drm/drm_vblank.h> |
| |
| #include <nvif/push507c.h> |
| |
| #include <nvif/class.h> |
| #include <nvif/cl0002.h> |
| #include <nvif/cl5070.h> |
| #include <nvif/cl507d.h> |
| #include <nvif/event.h> |
| #include <nvif/timer.h> |
| |
| #include <nvhw/class/cl507c.h> |
| #include <nvhw/class/cl507d.h> |
| #include <nvhw/class/cl837d.h> |
| #include <nvhw/class/cl887d.h> |
| #include <nvhw/class/cl907d.h> |
| #include <nvhw/class/cl917d.h> |
| |
| #include "nouveau_drv.h" |
| #include "nouveau_dma.h" |
| #include "nouveau_gem.h" |
| #include "nouveau_connector.h" |
| #include "nouveau_encoder.h" |
| #include "nouveau_fence.h" |
| #include "nouveau_fbcon.h" |
| |
| #include <subdev/bios/dp.h> |
| |
| /****************************************************************************** |
| * EVO channel |
| *****************************************************************************/ |
| |
| static int |
| nv50_chan_create(struct nvif_device *device, struct nvif_object *disp, |
| const s32 *oclass, u8 head, void *data, u32 size, |
| struct nv50_chan *chan) |
| { |
| struct nvif_sclass *sclass; |
| int ret, i, n; |
| |
| chan->device = device; |
| |
| ret = n = nvif_object_sclass_get(disp, &sclass); |
| if (ret < 0) |
| return ret; |
| |
| while (oclass[0]) { |
| for (i = 0; i < n; i++) { |
| if (sclass[i].oclass == oclass[0]) { |
| ret = nvif_object_ctor(disp, "kmsChan", 0, |
| oclass[0], data, size, |
| &chan->user); |
| if (ret == 0) |
| nvif_object_map(&chan->user, NULL, 0); |
| nvif_object_sclass_put(&sclass); |
| return ret; |
| } |
| } |
| oclass++; |
| } |
| |
| nvif_object_sclass_put(&sclass); |
| return -ENOSYS; |
| } |
| |
| static void |
| nv50_chan_destroy(struct nv50_chan *chan) |
| { |
| nvif_object_dtor(&chan->user); |
| } |
| |
| /****************************************************************************** |
| * DMA EVO channel |
| *****************************************************************************/ |
| |
| void |
| nv50_dmac_destroy(struct nv50_dmac *dmac) |
| { |
| nvif_object_dtor(&dmac->vram); |
| nvif_object_dtor(&dmac->sync); |
| |
| nv50_chan_destroy(&dmac->base); |
| |
| nvif_mem_dtor(&dmac->_push.mem); |
| } |
| |
| static void |
| nv50_dmac_kick(struct nvif_push *push) |
| { |
| struct nv50_dmac *dmac = container_of(push, typeof(*dmac), _push); |
| |
| dmac->cur = push->cur - (u32 *)dmac->_push.mem.object.map.ptr; |
| if (dmac->put != dmac->cur) { |
| /* Push buffer fetches are not coherent with BAR1, we need to ensure |
| * writes have been flushed right through to VRAM before writing PUT. |
| */ |
| if (dmac->push->mem.type & NVIF_MEM_VRAM) { |
| struct nvif_device *device = dmac->base.device; |
| nvif_wr32(&device->object, 0x070000, 0x00000001); |
| nvif_msec(device, 2000, |
| if (!(nvif_rd32(&device->object, 0x070000) & 0x00000002)) |
| break; |
| ); |
| } |
| |
| NVIF_WV32(&dmac->base.user, NV507C, PUT, PTR, dmac->cur); |
| dmac->put = dmac->cur; |
| } |
| |
| push->bgn = push->cur; |
| } |
| |
| static int |
| nv50_dmac_free(struct nv50_dmac *dmac) |
| { |
| u32 get = NVIF_RV32(&dmac->base.user, NV507C, GET, PTR); |
| if (get > dmac->cur) /* NVIDIA stay 5 away from GET, do the same. */ |
| return get - dmac->cur - 5; |
| return dmac->max - dmac->cur; |
| } |
| |
| static int |
| nv50_dmac_wind(struct nv50_dmac *dmac) |
| { |
| /* Wait for GET to depart from the beginning of the push buffer to |
| * prevent writing PUT == GET, which would be ignored by HW. |
| */ |
| u32 get = NVIF_RV32(&dmac->base.user, NV507C, GET, PTR); |
| if (get == 0) { |
| /* Corner-case, HW idle, but non-committed work pending. */ |
| if (dmac->put == 0) |
| nv50_dmac_kick(dmac->push); |
| |
| if (nvif_msec(dmac->base.device, 2000, |
| if (NVIF_TV32(&dmac->base.user, NV507C, GET, PTR, >, 0)) |
| break; |
| ) < 0) |
| return -ETIMEDOUT; |
| } |
| |
| PUSH_RSVD(dmac->push, PUSH_JUMP(dmac->push, 0)); |
| dmac->cur = 0; |
| return 0; |
| } |
| |
| static int |
| nv50_dmac_wait(struct nvif_push *push, u32 size) |
| { |
| struct nv50_dmac *dmac = container_of(push, typeof(*dmac), _push); |
| int free; |
| |
| if (WARN_ON(size > dmac->max)) |
| return -EINVAL; |
| |
| dmac->cur = push->cur - (u32 *)dmac->_push.mem.object.map.ptr; |
| if (dmac->cur + size >= dmac->max) { |
| int ret = nv50_dmac_wind(dmac); |
| if (ret) |
| return ret; |
| |
| push->cur = dmac->_push.mem.object.map.ptr; |
| push->cur = push->cur + dmac->cur; |
| nv50_dmac_kick(push); |
| } |
| |
| if (nvif_msec(dmac->base.device, 2000, |
| if ((free = nv50_dmac_free(dmac)) >= size) |
| break; |
| ) < 0) { |
| WARN_ON(1); |
| return -ETIMEDOUT; |
| } |
| |
| push->bgn = dmac->_push.mem.object.map.ptr; |
| push->bgn = push->bgn + dmac->cur; |
| push->cur = push->bgn; |
| push->end = push->cur + free; |
| return 0; |
| } |
| |
| MODULE_PARM_DESC(kms_vram_pushbuf, "Place EVO/NVD push buffers in VRAM (default: auto)"); |
| static int nv50_dmac_vram_pushbuf = -1; |
| module_param_named(kms_vram_pushbuf, nv50_dmac_vram_pushbuf, int, 0400); |
| |
| int |
| nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp, |
| const s32 *oclass, u8 head, void *data, u32 size, s64 syncbuf, |
| struct nv50_dmac *dmac) |
| { |
| struct nouveau_cli *cli = (void *)device->object.client; |
| struct nv50_disp_core_channel_dma_v0 *args = data; |
| u8 type = NVIF_MEM_COHERENT; |
| int ret; |
| |
| mutex_init(&dmac->lock); |
| |
| /* Pascal added support for 47-bit physical addresses, but some |
| * parts of EVO still only accept 40-bit PAs. |
| * |
| * To avoid issues on systems with large amounts of RAM, and on |
| * systems where an IOMMU maps pages at a high address, we need |
| * to allocate push buffers in VRAM instead. |
| * |
| * This appears to match NVIDIA's behaviour on Pascal. |
| */ |
| if ((nv50_dmac_vram_pushbuf > 0) || |
| (nv50_dmac_vram_pushbuf < 0 && device->info.family == NV_DEVICE_INFO_V0_PASCAL)) |
| type |= NVIF_MEM_VRAM; |
| |
| ret = nvif_mem_ctor_map(&cli->mmu, "kmsChanPush", type, 0x1000, |
| &dmac->_push.mem); |
| if (ret) |
| return ret; |
| |
| dmac->ptr = dmac->_push.mem.object.map.ptr; |
| dmac->_push.wait = nv50_dmac_wait; |
| dmac->_push.kick = nv50_dmac_kick; |
| dmac->push = &dmac->_push; |
| dmac->push->bgn = dmac->_push.mem.object.map.ptr; |
| dmac->push->cur = dmac->push->bgn; |
| dmac->push->end = dmac->push->bgn; |
| dmac->max = 0x1000/4 - 1; |
| |
| /* EVO channels are affected by a HW bug where the last 12 DWORDs |
| * of the push buffer aren't able to be used safely. |
| */ |
| if (disp->oclass < GV100_DISP) |
| dmac->max -= 12; |
| |
| args->pushbuf = nvif_handle(&dmac->_push.mem.object); |
| |
| ret = nv50_chan_create(device, disp, oclass, head, data, size, |
| &dmac->base); |
| if (ret) |
| return ret; |
| |
| if (syncbuf < 0) |
| return 0; |
| |
| ret = nvif_object_ctor(&dmac->base.user, "kmsSyncCtxDma", NV50_DISP_HANDLE_SYNCBUF, |
| NV_DMA_IN_MEMORY, |
| &(struct nv_dma_v0) { |
| .target = NV_DMA_V0_TARGET_VRAM, |
| .access = NV_DMA_V0_ACCESS_RDWR, |
| .start = syncbuf + 0x0000, |
| .limit = syncbuf + 0x0fff, |
| }, sizeof(struct nv_dma_v0), |
| &dmac->sync); |
| if (ret) |
| return ret; |
| |
| ret = nvif_object_ctor(&dmac->base.user, "kmsVramCtxDma", NV50_DISP_HANDLE_VRAM, |
| NV_DMA_IN_MEMORY, |
| &(struct nv_dma_v0) { |
| .target = NV_DMA_V0_TARGET_VRAM, |
| .access = NV_DMA_V0_ACCESS_RDWR, |
| .start = 0, |
| .limit = device->info.ram_user - 1, |
| }, sizeof(struct nv_dma_v0), |
| &dmac->vram); |
| if (ret) |
| return ret; |
| |
| return ret; |
| } |
| |
| /****************************************************************************** |
| * Output path helpers |
| *****************************************************************************/ |
| static void |
| nv50_outp_dump_caps(struct nouveau_drm *drm, |
| struct nouveau_encoder *outp) |
| { |
| NV_DEBUG(drm, "%s caps: dp_interlace=%d\n", |
| outp->base.base.name, outp->caps.dp_interlace); |
| } |
| |
| static void |
| nv50_outp_release(struct nouveau_encoder *nv_encoder) |
| { |
| struct nv50_disp *disp = nv50_disp(nv_encoder->base.base.dev); |
| struct { |
| struct nv50_disp_mthd_v1 base; |
| } args = { |
| .base.version = 1, |
| .base.method = NV50_DISP_MTHD_V1_RELEASE, |
| .base.hasht = nv_encoder->dcb->hasht, |
| .base.hashm = nv_encoder->dcb->hashm, |
| }; |
| |
| nvif_mthd(&disp->disp->object, 0, &args, sizeof(args)); |
| nv_encoder->or = -1; |
| nv_encoder->link = 0; |
| } |
| |
| static int |
| nv50_outp_acquire(struct nouveau_encoder *nv_encoder, bool hda) |
| { |
| struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev); |
| struct nv50_disp *disp = nv50_disp(drm->dev); |
| struct { |
| struct nv50_disp_mthd_v1 base; |
| struct nv50_disp_acquire_v0 info; |
| } args = { |
| .base.version = 1, |
| .base.method = NV50_DISP_MTHD_V1_ACQUIRE, |
| .base.hasht = nv_encoder->dcb->hasht, |
| .base.hashm = nv_encoder->dcb->hashm, |
| .info.hda = hda, |
| }; |
| int ret; |
| |
| ret = nvif_mthd(&disp->disp->object, 0, &args, sizeof(args)); |
| if (ret) { |
| NV_ERROR(drm, "error acquiring output path: %d\n", ret); |
| return ret; |
| } |
| |
| nv_encoder->or = args.info.or; |
| nv_encoder->link = args.info.link; |
| return 0; |
| } |
| |
| static int |
| nv50_outp_atomic_check_view(struct drm_encoder *encoder, |
| struct drm_crtc_state *crtc_state, |
| struct drm_connector_state *conn_state, |
| struct drm_display_mode *native_mode) |
| { |
| struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; |
| struct drm_display_mode *mode = &crtc_state->mode; |
| struct drm_connector *connector = conn_state->connector; |
| struct nouveau_conn_atom *asyc = nouveau_conn_atom(conn_state); |
| struct nouveau_drm *drm = nouveau_drm(encoder->dev); |
| |
| NV_ATOMIC(drm, "%s atomic_check\n", encoder->name); |
| asyc->scaler.full = false; |
| if (!native_mode) |
| return 0; |
| |
| if (asyc->scaler.mode == DRM_MODE_SCALE_NONE) { |
| switch (connector->connector_type) { |
| case DRM_MODE_CONNECTOR_LVDS: |
| case DRM_MODE_CONNECTOR_eDP: |
| /* Don't force scaler for EDID modes with |
| * same size as the native one (e.g. different |
| * refresh rate) |
| */ |
| if (mode->hdisplay == native_mode->hdisplay && |
| mode->vdisplay == native_mode->vdisplay && |
| mode->type & DRM_MODE_TYPE_DRIVER) |
| break; |
| mode = native_mode; |
| asyc->scaler.full = true; |
| break; |
| default: |
| break; |
| } |
| } else { |
| mode = native_mode; |
| } |
| |
| if (!drm_mode_equal(adjusted_mode, mode)) { |
| drm_mode_copy(adjusted_mode, mode); |
| crtc_state->mode_changed = true; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| nv50_outp_atomic_check(struct drm_encoder *encoder, |
| struct drm_crtc_state *crtc_state, |
| struct drm_connector_state *conn_state) |
| { |
| struct drm_connector *connector = conn_state->connector; |
| struct nouveau_connector *nv_connector = nouveau_connector(connector); |
| struct nv50_head_atom *asyh = nv50_head_atom(crtc_state); |
| int ret; |
| |
| ret = nv50_outp_atomic_check_view(encoder, crtc_state, conn_state, |
| nv_connector->native_mode); |
| if (ret) |
| return ret; |
| |
| if (crtc_state->mode_changed || crtc_state->connectors_changed) |
| asyh->or.bpc = connector->display_info.bpc; |
| |
| return 0; |
| } |
| |
| struct nouveau_connector * |
| nv50_outp_get_new_connector(struct drm_atomic_state *state, struct nouveau_encoder *outp) |
| { |
| struct drm_connector *connector; |
| struct drm_connector_state *connector_state; |
| struct drm_encoder *encoder = to_drm_encoder(outp); |
| int i; |
| |
| for_each_new_connector_in_state(state, connector, connector_state, i) { |
| if (connector_state->best_encoder == encoder) |
| return nouveau_connector(connector); |
| } |
| |
| return NULL; |
| } |
| |
| struct nouveau_connector * |
| nv50_outp_get_old_connector(struct drm_atomic_state *state, struct nouveau_encoder *outp) |
| { |
| struct drm_connector *connector; |
| struct drm_connector_state *connector_state; |
| struct drm_encoder *encoder = to_drm_encoder(outp); |
| int i; |
| |
| for_each_old_connector_in_state(state, connector, connector_state, i) { |
| if (connector_state->best_encoder == encoder) |
| return nouveau_connector(connector); |
| } |
| |
| return NULL; |
| } |
| |
| static struct nouveau_crtc * |
| nv50_outp_get_new_crtc(const struct drm_atomic_state *state, const struct nouveau_encoder *outp) |
| { |
| struct drm_crtc *crtc; |
| struct drm_crtc_state *crtc_state; |
| const u32 mask = drm_encoder_mask(&outp->base.base); |
| int i; |
| |
| for_each_new_crtc_in_state(state, crtc, crtc_state, i) { |
| if (crtc_state->encoder_mask & mask) |
| return nouveau_crtc(crtc); |
| } |
| |
| return NULL; |
| } |
| |
| /****************************************************************************** |
| * DAC |
| *****************************************************************************/ |
| static void |
| nv50_dac_atomic_disable(struct drm_encoder *encoder, struct drm_atomic_state *state) |
| { |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct nv50_core *core = nv50_disp(encoder->dev)->core; |
| const u32 ctrl = NVDEF(NV507D, DAC_SET_CONTROL, OWNER, NONE); |
| |
| core->func->dac->ctrl(core, nv_encoder->or, ctrl, NULL); |
| nv_encoder->crtc = NULL; |
| nv50_outp_release(nv_encoder); |
| } |
| |
| static void |
| nv50_dac_atomic_enable(struct drm_encoder *encoder, struct drm_atomic_state *state) |
| { |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct nouveau_crtc *nv_crtc = nv50_outp_get_new_crtc(state, nv_encoder); |
| struct nv50_head_atom *asyh = |
| nv50_head_atom(drm_atomic_get_new_crtc_state(state, &nv_crtc->base)); |
| struct nv50_core *core = nv50_disp(encoder->dev)->core; |
| u32 ctrl = 0; |
| |
| switch (nv_crtc->index) { |
| case 0: ctrl |= NVDEF(NV507D, DAC_SET_CONTROL, OWNER, HEAD0); break; |
| case 1: ctrl |= NVDEF(NV507D, DAC_SET_CONTROL, OWNER, HEAD1); break; |
| case 2: ctrl |= NVDEF(NV907D, DAC_SET_CONTROL, OWNER_MASK, HEAD2); break; |
| case 3: ctrl |= NVDEF(NV907D, DAC_SET_CONTROL, OWNER_MASK, HEAD3); break; |
| default: |
| WARN_ON(1); |
| break; |
| } |
| |
| ctrl |= NVDEF(NV507D, DAC_SET_CONTROL, PROTOCOL, RGB_CRT); |
| |
| nv50_outp_acquire(nv_encoder, false); |
| |
| core->func->dac->ctrl(core, nv_encoder->or, ctrl, asyh); |
| asyh->or.depth = 0; |
| |
| nv_encoder->crtc = &nv_crtc->base; |
| } |
| |
| static enum drm_connector_status |
| nv50_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector) |
| { |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct nv50_disp *disp = nv50_disp(encoder->dev); |
| struct { |
| struct nv50_disp_mthd_v1 base; |
| struct nv50_disp_dac_load_v0 load; |
| } args = { |
| .base.version = 1, |
| .base.method = NV50_DISP_MTHD_V1_DAC_LOAD, |
| .base.hasht = nv_encoder->dcb->hasht, |
| .base.hashm = nv_encoder->dcb->hashm, |
| }; |
| int ret; |
| |
| args.load.data = nouveau_drm(encoder->dev)->vbios.dactestval; |
| if (args.load.data == 0) |
| args.load.data = 340; |
| |
| ret = nvif_mthd(&disp->disp->object, 0, &args, sizeof(args)); |
| if (ret || !args.load.load) |
| return connector_status_disconnected; |
| |
| return connector_status_connected; |
| } |
| |
| static const struct drm_encoder_helper_funcs |
| nv50_dac_help = { |
| .atomic_check = nv50_outp_atomic_check, |
| .atomic_enable = nv50_dac_atomic_enable, |
| .atomic_disable = nv50_dac_atomic_disable, |
| .detect = nv50_dac_detect |
| }; |
| |
| static void |
| nv50_dac_destroy(struct drm_encoder *encoder) |
| { |
| drm_encoder_cleanup(encoder); |
| kfree(encoder); |
| } |
| |
| static const struct drm_encoder_funcs |
| nv50_dac_func = { |
| .destroy = nv50_dac_destroy, |
| }; |
| |
| static int |
| nv50_dac_create(struct drm_connector *connector, struct dcb_output *dcbe) |
| { |
| struct nouveau_drm *drm = nouveau_drm(connector->dev); |
| struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device); |
| struct nvkm_i2c_bus *bus; |
| struct nouveau_encoder *nv_encoder; |
| struct drm_encoder *encoder; |
| int type = DRM_MODE_ENCODER_DAC; |
| |
| nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL); |
| if (!nv_encoder) |
| return -ENOMEM; |
| nv_encoder->dcb = dcbe; |
| |
| bus = nvkm_i2c_bus_find(i2c, dcbe->i2c_index); |
| if (bus) |
| nv_encoder->i2c = &bus->i2c; |
| |
| encoder = to_drm_encoder(nv_encoder); |
| encoder->possible_crtcs = dcbe->heads; |
| encoder->possible_clones = 0; |
| drm_encoder_init(connector->dev, encoder, &nv50_dac_func, type, |
| "dac-%04x-%04x", dcbe->hasht, dcbe->hashm); |
| drm_encoder_helper_add(encoder, &nv50_dac_help); |
| |
| drm_connector_attach_encoder(connector, encoder); |
| return 0; |
| } |
| |
| /* |
| * audio component binding for ELD notification |
| */ |
| static void |
| nv50_audio_component_eld_notify(struct drm_audio_component *acomp, int port, |
| int dev_id) |
| { |
| if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify) |
| acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr, |
| port, dev_id); |
| } |
| |
| static int |
| nv50_audio_component_get_eld(struct device *kdev, int port, int dev_id, |
| bool *enabled, unsigned char *buf, int max_bytes) |
| { |
| struct drm_device *drm_dev = dev_get_drvdata(kdev); |
| struct nouveau_drm *drm = nouveau_drm(drm_dev); |
| struct drm_encoder *encoder; |
| struct nouveau_encoder *nv_encoder; |
| struct nouveau_crtc *nv_crtc; |
| int ret = 0; |
| |
| *enabled = false; |
| |
| mutex_lock(&drm->audio.lock); |
| |
| drm_for_each_encoder(encoder, drm->dev) { |
| struct nouveau_connector *nv_connector = NULL; |
| |
| if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) |
| continue; /* TODO */ |
| |
| nv_encoder = nouveau_encoder(encoder); |
| nv_connector = nouveau_connector(nv_encoder->audio.connector); |
| nv_crtc = nouveau_crtc(nv_encoder->crtc); |
| |
| if (!nv_crtc || nv_encoder->or != port || nv_crtc->index != dev_id) |
| continue; |
| |
| *enabled = nv_encoder->audio.enabled; |
| if (*enabled) { |
| ret = drm_eld_size(nv_connector->base.eld); |
| memcpy(buf, nv_connector->base.eld, |
| min(max_bytes, ret)); |
| } |
| break; |
| } |
| |
| mutex_unlock(&drm->audio.lock); |
| |
| return ret; |
| } |
| |
| static const struct drm_audio_component_ops nv50_audio_component_ops = { |
| .get_eld = nv50_audio_component_get_eld, |
| }; |
| |
| static int |
| nv50_audio_component_bind(struct device *kdev, struct device *hda_kdev, |
| void *data) |
| { |
| struct drm_device *drm_dev = dev_get_drvdata(kdev); |
| struct nouveau_drm *drm = nouveau_drm(drm_dev); |
| struct drm_audio_component *acomp = data; |
| |
| if (WARN_ON(!device_link_add(hda_kdev, kdev, DL_FLAG_STATELESS))) |
| return -ENOMEM; |
| |
| drm_modeset_lock_all(drm_dev); |
| acomp->ops = &nv50_audio_component_ops; |
| acomp->dev = kdev; |
| drm->audio.component = acomp; |
| drm_modeset_unlock_all(drm_dev); |
| return 0; |
| } |
| |
| static void |
| nv50_audio_component_unbind(struct device *kdev, struct device *hda_kdev, |
| void *data) |
| { |
| struct drm_device *drm_dev = dev_get_drvdata(kdev); |
| struct nouveau_drm *drm = nouveau_drm(drm_dev); |
| struct drm_audio_component *acomp = data; |
| |
| drm_modeset_lock_all(drm_dev); |
| drm->audio.component = NULL; |
| acomp->ops = NULL; |
| acomp->dev = NULL; |
| drm_modeset_unlock_all(drm_dev); |
| } |
| |
| static const struct component_ops nv50_audio_component_bind_ops = { |
| .bind = nv50_audio_component_bind, |
| .unbind = nv50_audio_component_unbind, |
| }; |
| |
| static void |
| nv50_audio_component_init(struct nouveau_drm *drm) |
| { |
| if (component_add(drm->dev->dev, &nv50_audio_component_bind_ops)) |
| return; |
| |
| drm->audio.component_registered = true; |
| mutex_init(&drm->audio.lock); |
| } |
| |
| static void |
| nv50_audio_component_fini(struct nouveau_drm *drm) |
| { |
| if (!drm->audio.component_registered) |
| return; |
| |
| component_del(drm->dev->dev, &nv50_audio_component_bind_ops); |
| drm->audio.component_registered = false; |
| mutex_destroy(&drm->audio.lock); |
| } |
| |
| /****************************************************************************** |
| * Audio |
| *****************************************************************************/ |
| static void |
| nv50_audio_disable(struct drm_encoder *encoder, struct nouveau_crtc *nv_crtc) |
| { |
| struct nouveau_drm *drm = nouveau_drm(encoder->dev); |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct nv50_disp *disp = nv50_disp(encoder->dev); |
| struct { |
| struct nv50_disp_mthd_v1 base; |
| struct nv50_disp_sor_hda_eld_v0 eld; |
| } args = { |
| .base.version = 1, |
| .base.method = NV50_DISP_MTHD_V1_SOR_HDA_ELD, |
| .base.hasht = nv_encoder->dcb->hasht, |
| .base.hashm = (0xf0ff & nv_encoder->dcb->hashm) | |
| (0x0100 << nv_crtc->index), |
| }; |
| |
| mutex_lock(&drm->audio.lock); |
| if (nv_encoder->audio.enabled) { |
| nv_encoder->audio.enabled = false; |
| nv_encoder->audio.connector = NULL; |
| nvif_mthd(&disp->disp->object, 0, &args, sizeof(args)); |
| } |
| mutex_unlock(&drm->audio.lock); |
| |
| nv50_audio_component_eld_notify(drm->audio.component, nv_encoder->or, |
| nv_crtc->index); |
| } |
| |
| static void |
| nv50_audio_enable(struct drm_encoder *encoder, struct nouveau_crtc *nv_crtc, |
| struct nouveau_connector *nv_connector, struct drm_atomic_state *state, |
| struct drm_display_mode *mode) |
| { |
| struct nouveau_drm *drm = nouveau_drm(encoder->dev); |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct nv50_disp *disp = nv50_disp(encoder->dev); |
| struct __packed { |
| struct { |
| struct nv50_disp_mthd_v1 mthd; |
| struct nv50_disp_sor_hda_eld_v0 eld; |
| } base; |
| u8 data[sizeof(nv_connector->base.eld)]; |
| } args = { |
| .base.mthd.version = 1, |
| .base.mthd.method = NV50_DISP_MTHD_V1_SOR_HDA_ELD, |
| .base.mthd.hasht = nv_encoder->dcb->hasht, |
| .base.mthd.hashm = (0xf0ff & nv_encoder->dcb->hashm) | |
| (0x0100 << nv_crtc->index), |
| }; |
| |
| if (!drm_detect_monitor_audio(nv_connector->edid)) |
| return; |
| |
| mutex_lock(&drm->audio.lock); |
| |
| memcpy(args.data, nv_connector->base.eld, sizeof(args.data)); |
| |
| nvif_mthd(&disp->disp->object, 0, &args, |
| sizeof(args.base) + drm_eld_size(args.data)); |
| nv_encoder->audio.enabled = true; |
| nv_encoder->audio.connector = &nv_connector->base; |
| |
| mutex_unlock(&drm->audio.lock); |
| |
| nv50_audio_component_eld_notify(drm->audio.component, nv_encoder->or, |
| nv_crtc->index); |
| } |
| |
| /****************************************************************************** |
| * HDMI |
| *****************************************************************************/ |
| static void |
| nv50_hdmi_disable(struct drm_encoder *encoder, struct nouveau_crtc *nv_crtc) |
| { |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct nv50_disp *disp = nv50_disp(encoder->dev); |
| struct { |
| struct nv50_disp_mthd_v1 base; |
| struct nv50_disp_sor_hdmi_pwr_v0 pwr; |
| } args = { |
| .base.version = 1, |
| .base.method = NV50_DISP_MTHD_V1_SOR_HDMI_PWR, |
| .base.hasht = nv_encoder->dcb->hasht, |
| .base.hashm = (0xf0ff & nv_encoder->dcb->hashm) | |
| (0x0100 << nv_crtc->index), |
| }; |
| |
| nvif_mthd(&disp->disp->object, 0, &args, sizeof(args)); |
| } |
| |
| static void |
| nv50_hdmi_enable(struct drm_encoder *encoder, struct nouveau_crtc *nv_crtc, |
| struct nouveau_connector *nv_connector, struct drm_atomic_state *state, |
| struct drm_display_mode *mode) |
| { |
| struct nouveau_drm *drm = nouveau_drm(encoder->dev); |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct nv50_disp *disp = nv50_disp(encoder->dev); |
| struct { |
| struct nv50_disp_mthd_v1 base; |
| struct nv50_disp_sor_hdmi_pwr_v0 pwr; |
| u8 infoframes[2 * 17]; /* two frames, up to 17 bytes each */ |
| } args = { |
| .base.version = 1, |
| .base.method = NV50_DISP_MTHD_V1_SOR_HDMI_PWR, |
| .base.hasht = nv_encoder->dcb->hasht, |
| .base.hashm = (0xf0ff & nv_encoder->dcb->hashm) | |
| (0x0100 << nv_crtc->index), |
| .pwr.state = 1, |
| .pwr.rekey = 56, /* binary driver, and tegra, constant */ |
| }; |
| struct drm_hdmi_info *hdmi; |
| u32 max_ac_packet; |
| union hdmi_infoframe avi_frame; |
| union hdmi_infoframe vendor_frame; |
| bool high_tmds_clock_ratio = false, scrambling = false; |
| u8 config; |
| int ret; |
| int size; |
| |
| if (!drm_detect_hdmi_monitor(nv_connector->edid)) |
| return; |
| |
| hdmi = &nv_connector->base.display_info.hdmi; |
| |
| ret = drm_hdmi_avi_infoframe_from_display_mode(&avi_frame.avi, |
| &nv_connector->base, mode); |
| if (!ret) { |
| /* We have an AVI InfoFrame, populate it to the display */ |
| args.pwr.avi_infoframe_length |
| = hdmi_infoframe_pack(&avi_frame, args.infoframes, 17); |
| } |
| |
| ret = drm_hdmi_vendor_infoframe_from_display_mode(&vendor_frame.vendor.hdmi, |
| &nv_connector->base, mode); |
| if (!ret) { |
| /* We have a Vendor InfoFrame, populate it to the display */ |
| args.pwr.vendor_infoframe_length |
| = hdmi_infoframe_pack(&vendor_frame, |
| args.infoframes |
| + args.pwr.avi_infoframe_length, |
| 17); |
| } |
| |
| max_ac_packet = mode->htotal - mode->hdisplay; |
| max_ac_packet -= args.pwr.rekey; |
| max_ac_packet -= 18; /* constant from tegra */ |
| args.pwr.max_ac_packet = max_ac_packet / 32; |
| |
| if (hdmi->scdc.scrambling.supported) { |
| high_tmds_clock_ratio = mode->clock > 340000; |
| scrambling = high_tmds_clock_ratio || |
| hdmi->scdc.scrambling.low_rates; |
| } |
| |
| args.pwr.scdc = |
| NV50_DISP_SOR_HDMI_PWR_V0_SCDC_SCRAMBLE * scrambling | |
| NV50_DISP_SOR_HDMI_PWR_V0_SCDC_DIV_BY_4 * high_tmds_clock_ratio; |
| |
| size = sizeof(args.base) |
| + sizeof(args.pwr) |
| + args.pwr.avi_infoframe_length |
| + args.pwr.vendor_infoframe_length; |
| nvif_mthd(&disp->disp->object, 0, &args, size); |
| |
| nv50_audio_enable(encoder, nv_crtc, nv_connector, state, mode); |
| |
| /* If SCDC is supported by the downstream monitor, update |
| * divider / scrambling settings to what we programmed above. |
| */ |
| if (!hdmi->scdc.scrambling.supported) |
| return; |
| |
| ret = drm_scdc_readb(nv_encoder->i2c, SCDC_TMDS_CONFIG, &config); |
| if (ret < 0) { |
| NV_ERROR(drm, "Failure to read SCDC_TMDS_CONFIG: %d\n", ret); |
| return; |
| } |
| config &= ~(SCDC_TMDS_BIT_CLOCK_RATIO_BY_40 | SCDC_SCRAMBLING_ENABLE); |
| config |= SCDC_TMDS_BIT_CLOCK_RATIO_BY_40 * high_tmds_clock_ratio; |
| config |= SCDC_SCRAMBLING_ENABLE * scrambling; |
| ret = drm_scdc_writeb(nv_encoder->i2c, SCDC_TMDS_CONFIG, config); |
| if (ret < 0) |
| NV_ERROR(drm, "Failure to write SCDC_TMDS_CONFIG = 0x%02x: %d\n", |
| config, ret); |
| } |
| |
| /****************************************************************************** |
| * MST |
| *****************************************************************************/ |
| #define nv50_mstm(p) container_of((p), struct nv50_mstm, mgr) |
| #define nv50_mstc(p) container_of((p), struct nv50_mstc, connector) |
| #define nv50_msto(p) container_of((p), struct nv50_msto, encoder) |
| |
| struct nv50_mstc { |
| struct nv50_mstm *mstm; |
| struct drm_dp_mst_port *port; |
| struct drm_connector connector; |
| |
| struct drm_display_mode *native; |
| struct edid *edid; |
| }; |
| |
| struct nv50_msto { |
| struct drm_encoder encoder; |
| |
| /* head is statically assigned on msto creation */ |
| struct nv50_head *head; |
| struct nv50_mstc *mstc; |
| bool disabled; |
| }; |
| |
| struct nouveau_encoder *nv50_real_outp(struct drm_encoder *encoder) |
| { |
| struct nv50_msto *msto; |
| |
| if (encoder->encoder_type != DRM_MODE_ENCODER_DPMST) |
| return nouveau_encoder(encoder); |
| |
| msto = nv50_msto(encoder); |
| if (!msto->mstc) |
| return NULL; |
| return msto->mstc->mstm->outp; |
| } |
| |
| static struct drm_dp_payload * |
| nv50_msto_payload(struct nv50_msto *msto) |
| { |
| struct nouveau_drm *drm = nouveau_drm(msto->encoder.dev); |
| struct nv50_mstc *mstc = msto->mstc; |
| struct nv50_mstm *mstm = mstc->mstm; |
| int vcpi = mstc->port->vcpi.vcpi, i; |
| |
| WARN_ON(!mutex_is_locked(&mstm->mgr.payload_lock)); |
| |
| NV_ATOMIC(drm, "%s: vcpi %d\n", msto->encoder.name, vcpi); |
| for (i = 0; i < mstm->mgr.max_payloads; i++) { |
| struct drm_dp_payload *payload = &mstm->mgr.payloads[i]; |
| NV_ATOMIC(drm, "%s: %d: vcpi %d start 0x%02x slots 0x%02x\n", |
| mstm->outp->base.base.name, i, payload->vcpi, |
| payload->start_slot, payload->num_slots); |
| } |
| |
| for (i = 0; i < mstm->mgr.max_payloads; i++) { |
| struct drm_dp_payload *payload = &mstm->mgr.payloads[i]; |
| if (payload->vcpi == vcpi) |
| return payload; |
| } |
| |
| return NULL; |
| } |
| |
| static void |
| nv50_msto_cleanup(struct nv50_msto *msto) |
| { |
| struct nouveau_drm *drm = nouveau_drm(msto->encoder.dev); |
| struct nv50_mstc *mstc = msto->mstc; |
| struct nv50_mstm *mstm = mstc->mstm; |
| |
| if (!msto->disabled) |
| return; |
| |
| NV_ATOMIC(drm, "%s: msto cleanup\n", msto->encoder.name); |
| |
| drm_dp_mst_deallocate_vcpi(&mstm->mgr, mstc->port); |
| |
| msto->mstc = NULL; |
| msto->disabled = false; |
| } |
| |
| static void |
| nv50_msto_prepare(struct nv50_msto *msto) |
| { |
| struct nouveau_drm *drm = nouveau_drm(msto->encoder.dev); |
| struct nv50_mstc *mstc = msto->mstc; |
| struct nv50_mstm *mstm = mstc->mstm; |
| struct { |
| struct nv50_disp_mthd_v1 base; |
| struct nv50_disp_sor_dp_mst_vcpi_v0 vcpi; |
| } args = { |
| .base.version = 1, |
| .base.method = NV50_DISP_MTHD_V1_SOR_DP_MST_VCPI, |
| .base.hasht = mstm->outp->dcb->hasht, |
| .base.hashm = (0xf0ff & mstm->outp->dcb->hashm) | |
| (0x0100 << msto->head->base.index), |
| }; |
| |
| mutex_lock(&mstm->mgr.payload_lock); |
| |
| NV_ATOMIC(drm, "%s: msto prepare\n", msto->encoder.name); |
| if (mstc->port->vcpi.vcpi > 0) { |
| struct drm_dp_payload *payload = nv50_msto_payload(msto); |
| if (payload) { |
| args.vcpi.start_slot = payload->start_slot; |
| args.vcpi.num_slots = payload->num_slots; |
| args.vcpi.pbn = mstc->port->vcpi.pbn; |
| args.vcpi.aligned_pbn = mstc->port->vcpi.aligned_pbn; |
| } |
| } |
| |
| NV_ATOMIC(drm, "%s: %s: %02x %02x %04x %04x\n", |
| msto->encoder.name, msto->head->base.base.name, |
| args.vcpi.start_slot, args.vcpi.num_slots, |
| args.vcpi.pbn, args.vcpi.aligned_pbn); |
| |
| nvif_mthd(&drm->display->disp.object, 0, &args, sizeof(args)); |
| mutex_unlock(&mstm->mgr.payload_lock); |
| } |
| |
| static int |
| nv50_msto_atomic_check(struct drm_encoder *encoder, |
| struct drm_crtc_state *crtc_state, |
| struct drm_connector_state *conn_state) |
| { |
| struct drm_atomic_state *state = crtc_state->state; |
| struct drm_connector *connector = conn_state->connector; |
| struct nv50_mstc *mstc = nv50_mstc(connector); |
| struct nv50_mstm *mstm = mstc->mstm; |
| struct nv50_head_atom *asyh = nv50_head_atom(crtc_state); |
| int slots; |
| int ret; |
| |
| ret = nv50_outp_atomic_check_view(encoder, crtc_state, conn_state, |
| mstc->native); |
| if (ret) |
| return ret; |
| |
| if (!crtc_state->mode_changed && !crtc_state->connectors_changed) |
| return 0; |
| |
| /* |
| * When restoring duplicated states, we need to make sure that the bw |
| * remains the same and avoid recalculating it, as the connector's bpc |
| * may have changed after the state was duplicated |
| */ |
| if (!state->duplicated) { |
| const int clock = crtc_state->adjusted_mode.clock; |
| |
| asyh->or.bpc = connector->display_info.bpc; |
| asyh->dp.pbn = drm_dp_calc_pbn_mode(clock, asyh->or.bpc * 3, |
| false); |
| } |
| |
| slots = drm_dp_atomic_find_vcpi_slots(state, &mstm->mgr, mstc->port, |
| asyh->dp.pbn, 0); |
| if (slots < 0) |
| return slots; |
| |
| asyh->dp.tu = slots; |
| |
| return 0; |
| } |
| |
| static u8 |
| nv50_dp_bpc_to_depth(unsigned int bpc) |
| { |
| switch (bpc) { |
| case 6: return NV837D_SOR_SET_CONTROL_PIXEL_DEPTH_BPP_18_444; |
| case 8: return NV837D_SOR_SET_CONTROL_PIXEL_DEPTH_BPP_24_444; |
| case 10: |
| default: return NV837D_SOR_SET_CONTROL_PIXEL_DEPTH_BPP_30_444; |
| } |
| } |
| |
| static void |
| nv50_msto_atomic_enable(struct drm_encoder *encoder, struct drm_atomic_state *state) |
| { |
| struct nv50_msto *msto = nv50_msto(encoder); |
| struct nv50_head *head = msto->head; |
| struct nv50_head_atom *asyh = |
| nv50_head_atom(drm_atomic_get_new_crtc_state(state, &head->base.base)); |
| struct nv50_mstc *mstc = NULL; |
| struct nv50_mstm *mstm = NULL; |
| struct drm_connector *connector; |
| struct drm_connector_list_iter conn_iter; |
| u8 proto; |
| bool r; |
| |
| drm_connector_list_iter_begin(encoder->dev, &conn_iter); |
| drm_for_each_connector_iter(connector, &conn_iter) { |
| if (connector->state->best_encoder == &msto->encoder) { |
| mstc = nv50_mstc(connector); |
| mstm = mstc->mstm; |
| break; |
| } |
| } |
| drm_connector_list_iter_end(&conn_iter); |
| |
| if (WARN_ON(!mstc)) |
| return; |
| |
| r = drm_dp_mst_allocate_vcpi(&mstm->mgr, mstc->port, asyh->dp.pbn, asyh->dp.tu); |
| if (!r) |
| DRM_DEBUG_KMS("Failed to allocate VCPI\n"); |
| |
| if (!mstm->links++) |
| nv50_outp_acquire(mstm->outp, false /*XXX: MST audio.*/); |
| |
| if (mstm->outp->link & 1) |
| proto = NV917D_SOR_SET_CONTROL_PROTOCOL_DP_A; |
| else |
| proto = NV917D_SOR_SET_CONTROL_PROTOCOL_DP_B; |
| |
| mstm->outp->update(mstm->outp, head->base.index, asyh, proto, |
| nv50_dp_bpc_to_depth(asyh->or.bpc)); |
| |
| msto->mstc = mstc; |
| mstm->modified = true; |
| } |
| |
| static void |
| nv50_msto_atomic_disable(struct drm_encoder *encoder, struct drm_atomic_state *state) |
| { |
| struct nv50_msto *msto = nv50_msto(encoder); |
| struct nv50_mstc *mstc = msto->mstc; |
| struct nv50_mstm *mstm = mstc->mstm; |
| |
| drm_dp_mst_reset_vcpi_slots(&mstm->mgr, mstc->port); |
| |
| mstm->outp->update(mstm->outp, msto->head->base.index, NULL, 0, 0); |
| mstm->modified = true; |
| if (!--mstm->links) |
| mstm->disabled = true; |
| msto->disabled = true; |
| } |
| |
| static const struct drm_encoder_helper_funcs |
| nv50_msto_help = { |
| .atomic_disable = nv50_msto_atomic_disable, |
| .atomic_enable = nv50_msto_atomic_enable, |
| .atomic_check = nv50_msto_atomic_check, |
| }; |
| |
| static void |
| nv50_msto_destroy(struct drm_encoder *encoder) |
| { |
| struct nv50_msto *msto = nv50_msto(encoder); |
| drm_encoder_cleanup(&msto->encoder); |
| kfree(msto); |
| } |
| |
| static const struct drm_encoder_funcs |
| nv50_msto = { |
| .destroy = nv50_msto_destroy, |
| }; |
| |
| static struct nv50_msto * |
| nv50_msto_new(struct drm_device *dev, struct nv50_head *head, int id) |
| { |
| struct nv50_msto *msto; |
| int ret; |
| |
| msto = kzalloc(sizeof(*msto), GFP_KERNEL); |
| if (!msto) |
| return ERR_PTR(-ENOMEM); |
| |
| ret = drm_encoder_init(dev, &msto->encoder, &nv50_msto, |
| DRM_MODE_ENCODER_DPMST, "mst-%d", id); |
| if (ret) { |
| kfree(msto); |
| return ERR_PTR(ret); |
| } |
| |
| drm_encoder_helper_add(&msto->encoder, &nv50_msto_help); |
| msto->encoder.possible_crtcs = drm_crtc_mask(&head->base.base); |
| msto->head = head; |
| return msto; |
| } |
| |
| static struct drm_encoder * |
| nv50_mstc_atomic_best_encoder(struct drm_connector *connector, |
| struct drm_atomic_state *state) |
| { |
| struct drm_connector_state *connector_state = drm_atomic_get_new_connector_state(state, |
| connector); |
| struct nv50_mstc *mstc = nv50_mstc(connector); |
| struct drm_crtc *crtc = connector_state->crtc; |
| |
| if (!(mstc->mstm->outp->dcb->heads & drm_crtc_mask(crtc))) |
| return NULL; |
| |
| return &nv50_head(crtc)->msto->encoder; |
| } |
| |
| static enum drm_mode_status |
| nv50_mstc_mode_valid(struct drm_connector *connector, |
| struct drm_display_mode *mode) |
| { |
| struct nv50_mstc *mstc = nv50_mstc(connector); |
| struct nouveau_encoder *outp = mstc->mstm->outp; |
| |
| /* TODO: calculate the PBN from the dotclock and validate against the |
| * MSTB's max possible PBN |
| */ |
| |
| return nv50_dp_mode_valid(connector, outp, mode, NULL); |
| } |
| |
| static int |
| nv50_mstc_get_modes(struct drm_connector *connector) |
| { |
| struct nv50_mstc *mstc = nv50_mstc(connector); |
| int ret = 0; |
| |
| mstc->edid = drm_dp_mst_get_edid(&mstc->connector, mstc->port->mgr, mstc->port); |
| drm_connector_update_edid_property(&mstc->connector, mstc->edid); |
| if (mstc->edid) |
| ret = drm_add_edid_modes(&mstc->connector, mstc->edid); |
| |
| /* |
| * XXX: Since we don't use HDR in userspace quite yet, limit the bpc |
| * to 8 to save bandwidth on the topology. In the future, we'll want |
| * to properly fix this by dynamically selecting the highest possible |
| * bpc that would fit in the topology |
| */ |
| if (connector->display_info.bpc) |
| connector->display_info.bpc = |
| clamp(connector->display_info.bpc, 6U, 8U); |
| else |
| connector->display_info.bpc = 8; |
| |
| if (mstc->native) |
| drm_mode_destroy(mstc->connector.dev, mstc->native); |
| mstc->native = nouveau_conn_native_mode(&mstc->connector); |
| return ret; |
| } |
| |
| static int |
| nv50_mstc_atomic_check(struct drm_connector *connector, |
| struct drm_atomic_state *state) |
| { |
| struct nv50_mstc *mstc = nv50_mstc(connector); |
| struct drm_dp_mst_topology_mgr *mgr = &mstc->mstm->mgr; |
| struct drm_connector_state *new_conn_state = |
| drm_atomic_get_new_connector_state(state, connector); |
| struct drm_connector_state *old_conn_state = |
| drm_atomic_get_old_connector_state(state, connector); |
| struct drm_crtc_state *crtc_state; |
| struct drm_crtc *new_crtc = new_conn_state->crtc; |
| |
| if (!old_conn_state->crtc) |
| return 0; |
| |
| /* We only want to free VCPI if this state disables the CRTC on this |
| * connector |
| */ |
| if (new_crtc) { |
| crtc_state = drm_atomic_get_new_crtc_state(state, new_crtc); |
| |
| if (!crtc_state || |
| !drm_atomic_crtc_needs_modeset(crtc_state) || |
| crtc_state->enable) |
| return 0; |
| } |
| |
| return drm_dp_atomic_release_vcpi_slots(state, mgr, mstc->port); |
| } |
| |
| static int |
| nv50_mstc_detect(struct drm_connector *connector, |
| struct drm_modeset_acquire_ctx *ctx, bool force) |
| { |
| struct nv50_mstc *mstc = nv50_mstc(connector); |
| int ret; |
| |
| if (drm_connector_is_unregistered(connector)) |
| return connector_status_disconnected; |
| |
| ret = pm_runtime_get_sync(connector->dev->dev); |
| if (ret < 0 && ret != -EACCES) { |
| pm_runtime_put_autosuspend(connector->dev->dev); |
| return connector_status_disconnected; |
| } |
| |
| ret = drm_dp_mst_detect_port(connector, ctx, mstc->port->mgr, |
| mstc->port); |
| if (ret != connector_status_connected) |
| goto out; |
| |
| out: |
| pm_runtime_mark_last_busy(connector->dev->dev); |
| pm_runtime_put_autosuspend(connector->dev->dev); |
| return ret; |
| } |
| |
| static const struct drm_connector_helper_funcs |
| nv50_mstc_help = { |
| .get_modes = nv50_mstc_get_modes, |
| .mode_valid = nv50_mstc_mode_valid, |
| .atomic_best_encoder = nv50_mstc_atomic_best_encoder, |
| .atomic_check = nv50_mstc_atomic_check, |
| .detect_ctx = nv50_mstc_detect, |
| }; |
| |
| static void |
| nv50_mstc_destroy(struct drm_connector *connector) |
| { |
| struct nv50_mstc *mstc = nv50_mstc(connector); |
| |
| drm_connector_cleanup(&mstc->connector); |
| drm_dp_mst_put_port_malloc(mstc->port); |
| |
| kfree(mstc); |
| } |
| |
| static const struct drm_connector_funcs |
| nv50_mstc = { |
| .reset = nouveau_conn_reset, |
| .fill_modes = drm_helper_probe_single_connector_modes, |
| .destroy = nv50_mstc_destroy, |
| .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state, |
| .atomic_destroy_state = nouveau_conn_atomic_destroy_state, |
| .atomic_set_property = nouveau_conn_atomic_set_property, |
| .atomic_get_property = nouveau_conn_atomic_get_property, |
| }; |
| |
| static int |
| nv50_mstc_new(struct nv50_mstm *mstm, struct drm_dp_mst_port *port, |
| const char *path, struct nv50_mstc **pmstc) |
| { |
| struct drm_device *dev = mstm->outp->base.base.dev; |
| struct drm_crtc *crtc; |
| struct nv50_mstc *mstc; |
| int ret; |
| |
| if (!(mstc = *pmstc = kzalloc(sizeof(*mstc), GFP_KERNEL))) |
| return -ENOMEM; |
| mstc->mstm = mstm; |
| mstc->port = port; |
| |
| ret = drm_connector_init(dev, &mstc->connector, &nv50_mstc, |
| DRM_MODE_CONNECTOR_DisplayPort); |
| if (ret) { |
| kfree(*pmstc); |
| *pmstc = NULL; |
| return ret; |
| } |
| |
| drm_connector_helper_add(&mstc->connector, &nv50_mstc_help); |
| |
| mstc->connector.funcs->reset(&mstc->connector); |
| nouveau_conn_attach_properties(&mstc->connector); |
| |
| drm_for_each_crtc(crtc, dev) { |
| if (!(mstm->outp->dcb->heads & drm_crtc_mask(crtc))) |
| continue; |
| |
| drm_connector_attach_encoder(&mstc->connector, |
| &nv50_head(crtc)->msto->encoder); |
| } |
| |
| drm_object_attach_property(&mstc->connector.base, dev->mode_config.path_property, 0); |
| drm_object_attach_property(&mstc->connector.base, dev->mode_config.tile_property, 0); |
| drm_connector_set_path_property(&mstc->connector, path); |
| drm_dp_mst_get_port_malloc(port); |
| return 0; |
| } |
| |
| static void |
| nv50_mstm_cleanup(struct nv50_mstm *mstm) |
| { |
| struct nouveau_drm *drm = nouveau_drm(mstm->outp->base.base.dev); |
| struct drm_encoder *encoder; |
| int ret; |
| |
| NV_ATOMIC(drm, "%s: mstm cleanup\n", mstm->outp->base.base.name); |
| ret = drm_dp_check_act_status(&mstm->mgr); |
| |
| ret = drm_dp_update_payload_part2(&mstm->mgr); |
| |
| drm_for_each_encoder(encoder, mstm->outp->base.base.dev) { |
| if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) { |
| struct nv50_msto *msto = nv50_msto(encoder); |
| struct nv50_mstc *mstc = msto->mstc; |
| if (mstc && mstc->mstm == mstm) |
| nv50_msto_cleanup(msto); |
| } |
| } |
| |
| mstm->modified = false; |
| } |
| |
| static void |
| nv50_mstm_prepare(struct nv50_mstm *mstm) |
| { |
| struct nouveau_drm *drm = nouveau_drm(mstm->outp->base.base.dev); |
| struct drm_encoder *encoder; |
| int ret; |
| |
| NV_ATOMIC(drm, "%s: mstm prepare\n", mstm->outp->base.base.name); |
| ret = drm_dp_update_payload_part1(&mstm->mgr); |
| |
| drm_for_each_encoder(encoder, mstm->outp->base.base.dev) { |
| if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) { |
| struct nv50_msto *msto = nv50_msto(encoder); |
| struct nv50_mstc *mstc = msto->mstc; |
| if (mstc && mstc->mstm == mstm) |
| nv50_msto_prepare(msto); |
| } |
| } |
| |
| if (mstm->disabled) { |
| if (!mstm->links) |
| nv50_outp_release(mstm->outp); |
| mstm->disabled = false; |
| } |
| } |
| |
| static struct drm_connector * |
| nv50_mstm_add_connector(struct drm_dp_mst_topology_mgr *mgr, |
| struct drm_dp_mst_port *port, const char *path) |
| { |
| struct nv50_mstm *mstm = nv50_mstm(mgr); |
| struct nv50_mstc *mstc; |
| int ret; |
| |
| ret = nv50_mstc_new(mstm, port, path, &mstc); |
| if (ret) |
| return NULL; |
| |
| return &mstc->connector; |
| } |
| |
| static const struct drm_dp_mst_topology_cbs |
| nv50_mstm = { |
| .add_connector = nv50_mstm_add_connector, |
| }; |
| |
| bool |
| nv50_mstm_service(struct nouveau_drm *drm, |
| struct nouveau_connector *nv_connector, |
| struct nv50_mstm *mstm) |
| { |
| struct drm_dp_aux *aux = &nv_connector->aux; |
| bool handled = true, ret = true; |
| int rc; |
| u8 esi[8] = {}; |
| |
| while (handled) { |
| rc = drm_dp_dpcd_read(aux, DP_SINK_COUNT_ESI, esi, 8); |
| if (rc != 8) { |
| ret = false; |
| break; |
| } |
| |
| drm_dp_mst_hpd_irq(&mstm->mgr, esi, &handled); |
| if (!handled) |
| break; |
| |
| rc = drm_dp_dpcd_write(aux, DP_SINK_COUNT_ESI + 1, &esi[1], |
| 3); |
| if (rc != 3) { |
| ret = false; |
| break; |
| } |
| } |
| |
| if (!ret) |
| NV_DEBUG(drm, "Failed to handle ESI on %s: %d\n", |
| nv_connector->base.name, rc); |
| |
| return ret; |
| } |
| |
| void |
| nv50_mstm_remove(struct nv50_mstm *mstm) |
| { |
| mstm->is_mst = false; |
| drm_dp_mst_topology_mgr_set_mst(&mstm->mgr, false); |
| } |
| |
| static int |
| nv50_mstm_enable(struct nv50_mstm *mstm, int state) |
| { |
| struct nouveau_encoder *outp = mstm->outp; |
| struct { |
| struct nv50_disp_mthd_v1 base; |
| struct nv50_disp_sor_dp_mst_link_v0 mst; |
| } args = { |
| .base.version = 1, |
| .base.method = NV50_DISP_MTHD_V1_SOR_DP_MST_LINK, |
| .base.hasht = outp->dcb->hasht, |
| .base.hashm = outp->dcb->hashm, |
| .mst.state = state, |
| }; |
| struct nouveau_drm *drm = nouveau_drm(outp->base.base.dev); |
| struct nvif_object *disp = &drm->display->disp.object; |
| |
| return nvif_mthd(disp, 0, &args, sizeof(args)); |
| } |
| |
| int |
| nv50_mstm_detect(struct nouveau_encoder *outp) |
| { |
| struct nv50_mstm *mstm = outp->dp.mstm; |
| struct drm_dp_aux *aux; |
| int ret; |
| |
| if (!mstm || !mstm->can_mst) |
| return 0; |
| |
| aux = mstm->mgr.aux; |
| |
| /* Clear any leftover MST state we didn't set ourselves by first |
| * disabling MST if it was already enabled |
| */ |
| ret = drm_dp_dpcd_writeb(aux, DP_MSTM_CTRL, 0); |
| if (ret < 0) |
| return ret; |
| |
| /* And start enabling */ |
| ret = nv50_mstm_enable(mstm, true); |
| if (ret) |
| return ret; |
| |
| ret = drm_dp_mst_topology_mgr_set_mst(&mstm->mgr, true); |
| if (ret) { |
| nv50_mstm_enable(mstm, false); |
| return ret; |
| } |
| |
| mstm->is_mst = true; |
| return 1; |
| } |
| |
| static void |
| nv50_mstm_fini(struct nouveau_encoder *outp) |
| { |
| struct nv50_mstm *mstm = outp->dp.mstm; |
| |
| if (!mstm) |
| return; |
| |
| /* Don't change the MST state of this connector until we've finished |
| * resuming, since we can't safely grab hpd_irq_lock in our resume |
| * path to protect mstm->is_mst without potentially deadlocking |
| */ |
| mutex_lock(&outp->dp.hpd_irq_lock); |
| mstm->suspended = true; |
| mutex_unlock(&outp->dp.hpd_irq_lock); |
| |
| if (mstm->is_mst) |
| drm_dp_mst_topology_mgr_suspend(&mstm->mgr); |
| } |
| |
| static void |
| nv50_mstm_init(struct nouveau_encoder *outp, bool runtime) |
| { |
| struct nv50_mstm *mstm = outp->dp.mstm; |
| int ret = 0; |
| |
| if (!mstm) |
| return; |
| |
| if (mstm->is_mst) { |
| ret = drm_dp_mst_topology_mgr_resume(&mstm->mgr, !runtime); |
| if (ret == -1) |
| nv50_mstm_remove(mstm); |
| } |
| |
| mutex_lock(&outp->dp.hpd_irq_lock); |
| mstm->suspended = false; |
| mutex_unlock(&outp->dp.hpd_irq_lock); |
| |
| if (ret == -1) |
| drm_kms_helper_hotplug_event(mstm->mgr.dev); |
| } |
| |
| static void |
| nv50_mstm_del(struct nv50_mstm **pmstm) |
| { |
| struct nv50_mstm *mstm = *pmstm; |
| if (mstm) { |
| drm_dp_mst_topology_mgr_destroy(&mstm->mgr); |
| kfree(*pmstm); |
| *pmstm = NULL; |
| } |
| } |
| |
| static int |
| nv50_mstm_new(struct nouveau_encoder *outp, struct drm_dp_aux *aux, int aux_max, |
| int conn_base_id, struct nv50_mstm **pmstm) |
| { |
| const int max_payloads = hweight8(outp->dcb->heads); |
| struct drm_device *dev = outp->base.base.dev; |
| struct nv50_mstm *mstm; |
| int ret; |
| |
| if (!(mstm = *pmstm = kzalloc(sizeof(*mstm), GFP_KERNEL))) |
| return -ENOMEM; |
| mstm->outp = outp; |
| mstm->mgr.cbs = &nv50_mstm; |
| |
| ret = drm_dp_mst_topology_mgr_init(&mstm->mgr, dev, aux, aux_max, |
| max_payloads, outp->dcb->dpconf.link_nr, |
| drm_dp_bw_code_to_link_rate(outp->dcb->dpconf.link_bw), |
| conn_base_id); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| /****************************************************************************** |
| * SOR |
| *****************************************************************************/ |
| static void |
| nv50_sor_update(struct nouveau_encoder *nv_encoder, u8 head, |
| struct nv50_head_atom *asyh, u8 proto, u8 depth) |
| { |
| struct nv50_disp *disp = nv50_disp(nv_encoder->base.base.dev); |
| struct nv50_core *core = disp->core; |
| |
| if (!asyh) { |
| nv_encoder->ctrl &= ~BIT(head); |
| if (NVDEF_TEST(nv_encoder->ctrl, NV507D, SOR_SET_CONTROL, OWNER, ==, NONE)) |
| nv_encoder->ctrl = 0; |
| } else { |
| nv_encoder->ctrl |= NVVAL(NV507D, SOR_SET_CONTROL, PROTOCOL, proto); |
| nv_encoder->ctrl |= BIT(head); |
| asyh->or.depth = depth; |
| } |
| |
| core->func->sor->ctrl(core, nv_encoder->or, nv_encoder->ctrl, asyh); |
| } |
| |
| /* TODO: Should we extend this to PWM-only backlights? |
| * As well, should we add a DRM helper for waiting for the backlight to acknowledge |
| * the panel backlight has been shut off? Intel doesn't seem to do this, and uses a |
| * fixed time delay from the vbios… |
| */ |
| static void |
| nv50_sor_atomic_disable(struct drm_encoder *encoder, struct drm_atomic_state *state) |
| { |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct nouveau_crtc *nv_crtc = nouveau_crtc(nv_encoder->crtc); |
| struct nouveau_connector *nv_connector = nv50_outp_get_old_connector(state, nv_encoder); |
| #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT |
| struct nouveau_drm *drm = nouveau_drm(nv_encoder->base.base.dev); |
| struct nouveau_backlight *backlight = nv_connector->backlight; |
| #endif |
| struct drm_dp_aux *aux = &nv_connector->aux; |
| int ret; |
| u8 pwr; |
| |
| #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT |
| if (backlight && backlight->uses_dpcd) { |
| ret = drm_edp_backlight_disable(aux, &backlight->edp_info); |
| if (ret < 0) |
| NV_ERROR(drm, "Failed to disable backlight on [CONNECTOR:%d:%s]: %d\n", |
| nv_connector->base.base.id, nv_connector->base.name, ret); |
| } |
| #endif |
| |
| if (nv_encoder->dcb->type == DCB_OUTPUT_DP) { |
| ret = drm_dp_dpcd_readb(aux, DP_SET_POWER, &pwr); |
| |
| if (ret == 0) { |
| pwr &= ~DP_SET_POWER_MASK; |
| pwr |= DP_SET_POWER_D3; |
| drm_dp_dpcd_writeb(aux, DP_SET_POWER, pwr); |
| } |
| } |
| |
| nv_encoder->update(nv_encoder, nv_crtc->index, NULL, 0, 0); |
| nv50_audio_disable(encoder, nv_crtc); |
| nv50_hdmi_disable(&nv_encoder->base.base, nv_crtc); |
| nv50_outp_release(nv_encoder); |
| nv_encoder->crtc = NULL; |
| } |
| |
| static void |
| nv50_sor_atomic_enable(struct drm_encoder *encoder, struct drm_atomic_state *state) |
| { |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct nouveau_crtc *nv_crtc = nv50_outp_get_new_crtc(state, nv_encoder); |
| struct nv50_head_atom *asyh = |
| nv50_head_atom(drm_atomic_get_new_crtc_state(state, &nv_crtc->base)); |
| struct drm_display_mode *mode = &asyh->state.adjusted_mode; |
| struct { |
| struct nv50_disp_mthd_v1 base; |
| struct nv50_disp_sor_lvds_script_v0 lvds; |
| } lvds = { |
| .base.version = 1, |
| .base.method = NV50_DISP_MTHD_V1_SOR_LVDS_SCRIPT, |
| .base.hasht = nv_encoder->dcb->hasht, |
| .base.hashm = nv_encoder->dcb->hashm, |
| }; |
| struct nv50_disp *disp = nv50_disp(encoder->dev); |
| struct drm_device *dev = encoder->dev; |
| struct nouveau_drm *drm = nouveau_drm(dev); |
| struct nouveau_connector *nv_connector; |
| #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT |
| struct nouveau_backlight *backlight; |
| #endif |
| struct nvbios *bios = &drm->vbios; |
| bool hda = false; |
| u8 proto = NV507D_SOR_SET_CONTROL_PROTOCOL_CUSTOM; |
| u8 depth = NV837D_SOR_SET_CONTROL_PIXEL_DEPTH_DEFAULT; |
| |
| nv_connector = nv50_outp_get_new_connector(state, nv_encoder); |
| nv_encoder->crtc = &nv_crtc->base; |
| |
| if ((disp->disp->object.oclass == GT214_DISP || |
| disp->disp->object.oclass >= GF110_DISP) && |
| drm_detect_monitor_audio(nv_connector->edid)) |
| hda = true; |
| nv50_outp_acquire(nv_encoder, hda); |
| |
| switch (nv_encoder->dcb->type) { |
| case DCB_OUTPUT_TMDS: |
| if (nv_encoder->link & 1) { |
| proto = NV507D_SOR_SET_CONTROL_PROTOCOL_SINGLE_TMDS_A; |
| /* Only enable dual-link if: |
| * - Need to (i.e. rate > 165MHz) |
| * - DCB says we can |
| * - Not an HDMI monitor, since there's no dual-link |
| * on HDMI. |
| */ |
| if (mode->clock >= 165000 && |
| nv_encoder->dcb->duallink_possible && |
| !drm_detect_hdmi_monitor(nv_connector->edid)) |
| proto = NV507D_SOR_SET_CONTROL_PROTOCOL_DUAL_TMDS; |
| } else { |
| proto = NV507D_SOR_SET_CONTROL_PROTOCOL_SINGLE_TMDS_B; |
| } |
| |
| nv50_hdmi_enable(&nv_encoder->base.base, nv_crtc, nv_connector, state, mode); |
| break; |
| case DCB_OUTPUT_LVDS: |
| proto = NV507D_SOR_SET_CONTROL_PROTOCOL_LVDS_CUSTOM; |
| |
| if (bios->fp_no_ddc) { |
| if (bios->fp.dual_link) |
| lvds.lvds.script |= 0x0100; |
| if (bios->fp.if_is_24bit) |
| lvds.lvds.script |= 0x0200; |
| } else { |
| if (nv_connector->type == DCB_CONNECTOR_LVDS_SPWG) { |
| if (((u8 *)nv_connector->edid)[121] == 2) |
| lvds.lvds.script |= 0x0100; |
| } else |
| if (mode->clock >= bios->fp.duallink_transition_clk) { |
| lvds.lvds.script |= 0x0100; |
| } |
| |
| if (lvds.lvds.script & 0x0100) { |
| if (bios->fp.strapless_is_24bit & 2) |
| lvds.lvds.script |= 0x0200; |
| } else { |
| if (bios->fp.strapless_is_24bit & 1) |
| lvds.lvds.script |= 0x0200; |
| } |
| |
| if (asyh->or.bpc == 8) |
| lvds.lvds.script |= 0x0200; |
| } |
| |
| nvif_mthd(&disp->disp->object, 0, &lvds, sizeof(lvds)); |
| break; |
| case DCB_OUTPUT_DP: |
| depth = nv50_dp_bpc_to_depth(asyh->or.bpc); |
| |
| if (nv_encoder->link & 1) |
| proto = NV887D_SOR_SET_CONTROL_PROTOCOL_DP_A; |
| else |
| proto = NV887D_SOR_SET_CONTROL_PROTOCOL_DP_B; |
| |
| nv50_audio_enable(encoder, nv_crtc, nv_connector, state, mode); |
| |
| #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT |
| backlight = nv_connector->backlight; |
| if (backlight && backlight->uses_dpcd) |
| drm_edp_backlight_enable(&nv_connector->aux, &backlight->edp_info, |
| (u16)backlight->dev->props.brightness); |
| #endif |
| |
| break; |
| default: |
| BUG(); |
| break; |
| } |
| |
| nv_encoder->update(nv_encoder, nv_crtc->index, asyh, proto, depth); |
| } |
| |
| static const struct drm_encoder_helper_funcs |
| nv50_sor_help = { |
| .atomic_check = nv50_outp_atomic_check, |
| .atomic_enable = nv50_sor_atomic_enable, |
| .atomic_disable = nv50_sor_atomic_disable, |
| }; |
| |
| static void |
| nv50_sor_destroy(struct drm_encoder *encoder) |
| { |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| nv50_mstm_del(&nv_encoder->dp.mstm); |
| drm_encoder_cleanup(encoder); |
| |
| if (nv_encoder->dcb->type == DCB_OUTPUT_DP) |
| mutex_destroy(&nv_encoder->dp.hpd_irq_lock); |
| |
| kfree(encoder); |
| } |
| |
| static const struct drm_encoder_funcs |
| nv50_sor_func = { |
| .destroy = nv50_sor_destroy, |
| }; |
| |
| static bool nv50_has_mst(struct nouveau_drm *drm) |
| { |
| struct nvkm_bios *bios = nvxx_bios(&drm->client.device); |
| u32 data; |
| u8 ver, hdr, cnt, len; |
| |
| data = nvbios_dp_table(bios, &ver, &hdr, &cnt, &len); |
| return data && ver >= 0x40 && (nvbios_rd08(bios, data + 0x08) & 0x04); |
| } |
| |
| static int |
| nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe) |
| { |
| struct nouveau_connector *nv_connector = nouveau_connector(connector); |
| struct nouveau_drm *drm = nouveau_drm(connector->dev); |
| struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device); |
| struct nouveau_encoder *nv_encoder; |
| struct drm_encoder *encoder; |
| struct nv50_disp *disp = nv50_disp(connector->dev); |
| int type, ret; |
| |
| switch (dcbe->type) { |
| case DCB_OUTPUT_LVDS: type = DRM_MODE_ENCODER_LVDS; break; |
| case DCB_OUTPUT_TMDS: |
| case DCB_OUTPUT_DP: |
| default: |
| type = DRM_MODE_ENCODER_TMDS; |
| break; |
| } |
| |
| nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL); |
| if (!nv_encoder) |
| return -ENOMEM; |
| nv_encoder->dcb = dcbe; |
| nv_encoder->update = nv50_sor_update; |
| |
| encoder = to_drm_encoder(nv_encoder); |
| encoder->possible_crtcs = dcbe->heads; |
| encoder->possible_clones = 0; |
| drm_encoder_init(connector->dev, encoder, &nv50_sor_func, type, |
| "sor-%04x-%04x", dcbe->hasht, dcbe->hashm); |
| drm_encoder_helper_add(encoder, &nv50_sor_help); |
| |
| drm_connector_attach_encoder(connector, encoder); |
| |
| disp->core->func->sor->get_caps(disp, nv_encoder, ffs(dcbe->or) - 1); |
| nv50_outp_dump_caps(drm, nv_encoder); |
| |
| if (dcbe->type == DCB_OUTPUT_DP) { |
| struct nvkm_i2c_aux *aux = |
| nvkm_i2c_aux_find(i2c, dcbe->i2c_index); |
| |
| mutex_init(&nv_encoder->dp.hpd_irq_lock); |
| |
| if (aux) { |
| if (disp->disp->object.oclass < GF110_DISP) { |
| /* HW has no support for address-only |
| * transactions, so we're required to |
| * use custom I2C-over-AUX code. |
| */ |
| nv_encoder->i2c = &aux->i2c; |
| } else { |
| nv_encoder->i2c = &nv_connector->aux.ddc; |
| } |
| nv_encoder->aux = aux; |
| } |
| |
| if (nv_connector->type != DCB_CONNECTOR_eDP && |
| nv50_has_mst(drm)) { |
| ret = nv50_mstm_new(nv_encoder, &nv_connector->aux, |
| 16, nv_connector->base.base.id, |
| &nv_encoder->dp.mstm); |
| if (ret) |
| return ret; |
| } |
| } else { |
| struct nvkm_i2c_bus *bus = |
| nvkm_i2c_bus_find(i2c, dcbe->i2c_index); |
| if (bus) |
| nv_encoder->i2c = &bus->i2c; |
| } |
| |
| return 0; |
| } |
| |
| /****************************************************************************** |
| * PIOR |
| *****************************************************************************/ |
| static int |
| nv50_pior_atomic_check(struct drm_encoder *encoder, |
| struct drm_crtc_state *crtc_state, |
| struct drm_connector_state *conn_state) |
| { |
| int ret = nv50_outp_atomic_check(encoder, crtc_state, conn_state); |
| if (ret) |
| return ret; |
| crtc_state->adjusted_mode.clock *= 2; |
| return 0; |
| } |
| |
| static void |
| nv50_pior_atomic_disable(struct drm_encoder *encoder, struct drm_atomic_state *state) |
| { |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct nv50_core *core = nv50_disp(encoder->dev)->core; |
| const u32 ctrl = NVDEF(NV507D, PIOR_SET_CONTROL, OWNER, NONE); |
| |
| core->func->pior->ctrl(core, nv_encoder->or, ctrl, NULL); |
| nv_encoder->crtc = NULL; |
| nv50_outp_release(nv_encoder); |
| } |
| |
| static void |
| nv50_pior_atomic_enable(struct drm_encoder *encoder, struct drm_atomic_state *state) |
| { |
| struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| struct nouveau_crtc *nv_crtc = nv50_outp_get_new_crtc(state, nv_encoder); |
| struct nv50_head_atom *asyh = |
| nv50_head_atom(drm_atomic_get_new_crtc_state(state, &nv_crtc->base)); |
| struct nv50_core *core = nv50_disp(encoder->dev)->core; |
| u32 ctrl = 0; |
| |
| switch (nv_crtc->index) { |
| case 0: ctrl |= NVDEF(NV507D, PIOR_SET_CONTROL, OWNER, HEAD0); break; |
| case 1: ctrl |= NVDEF(NV507D, PIOR_SET_CONTROL, OWNER, HEAD1); break; |
| default: |
| WARN_ON(1); |
| break; |
| } |
| |
| nv50_outp_acquire(nv_encoder, false); |
| |
| switch (asyh->or.bpc) { |
| case 10: asyh->or.depth = NV837D_PIOR_SET_CONTROL_PIXEL_DEPTH_BPP_30_444; break; |
| case 8: asyh->or.depth = NV837D_PIOR_SET_CONTROL_PIXEL_DEPTH_BPP_24_444; break; |
| case 6: asyh->or.depth = NV837D_PIOR_SET_CONTROL_PIXEL_DEPTH_BPP_18_444; break; |
| default: asyh->or.depth = NV837D_PIOR_SET_CONTROL_PIXEL_DEPTH_DEFAULT; break; |
| } |
| |
| switch (nv_encoder->dcb->type) { |
| case DCB_OUTPUT_TMDS: |
| case DCB_OUTPUT_DP: |
| ctrl |= NVDEF(NV507D, PIOR_SET_CONTROL, PROTOCOL, EXT_TMDS_ENC); |
| break; |
| default: |
| BUG(); |
| break; |
| } |
| |
| core->func->pior->ctrl(core, nv_encoder->or, ctrl, asyh); |
| nv_encoder->crtc = &nv_crtc->base; |
| } |
| |
| static const struct drm_encoder_helper_funcs |
| nv50_pior_help = { |
| .atomic_check = nv50_pior_atomic_check, |
| .atomic_enable = nv50_pior_atomic_enable, |
| .atomic_disable = nv50_pior_atomic_disable, |
| }; |
| |
| static void |
| nv50_pior_destroy(struct drm_encoder *encoder) |
| { |
| drm_encoder_cleanup(encoder); |
| kfree(encoder); |
| } |
| |
| static const struct drm_encoder_funcs |
| nv50_pior_func = { |
| .destroy = nv50_pior_destroy, |
| }; |
| |
| static int |
| nv50_pior_create(struct drm_connector *connector, struct dcb_output *dcbe) |
| { |
| struct drm_device *dev = connector->dev; |
| struct nouveau_drm *drm = nouveau_drm(dev); |
| struct nv50_disp *disp = nv50_disp(dev); |
| struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device); |
| struct nvkm_i2c_bus *bus = NULL; |
| struct nvkm_i2c_aux *aux = NULL; |
| struct i2c_adapter *ddc; |
| struct nouveau_encoder *nv_encoder; |
| struct drm_encoder *encoder; |
| int type; |
| |
| switch (dcbe->type) { |
| case DCB_OUTPUT_TMDS: |
| bus = nvkm_i2c_bus_find(i2c, NVKM_I2C_BUS_EXT(dcbe->extdev)); |
| ddc = bus ? &bus->i2c : NULL; |
| type = DRM_MODE_ENCODER_TMDS; |
| break; |
| case DCB_OUTPUT_DP: |
| aux = nvkm_i2c_aux_find(i2c, NVKM_I2C_AUX_EXT(dcbe->extdev)); |
| ddc = aux ? &aux->i2c : NULL; |
| type = DRM_MODE_ENCODER_TMDS; |
| break; |
| default: |
| return -ENODEV; |
| } |
| |
| nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL); |
| if (!nv_encoder) |
| return -ENOMEM; |
| nv_encoder->dcb = dcbe; |
| nv_encoder->i2c = ddc; |
| nv_encoder->aux = aux; |
| |
| encoder = to_drm_encoder(nv_encoder); |
| encoder->possible_crtcs = dcbe->heads; |
| encoder->possible_clones = 0; |
| drm_encoder_init(connector->dev, encoder, &nv50_pior_func, type, |
| "pior-%04x-%04x", dcbe->hasht, dcbe->hashm); |
| drm_encoder_helper_add(encoder, &nv50_pior_help); |
| |
| drm_connector_attach_encoder(connector, encoder); |
| |
| disp->core->func->pior->get_caps(disp, nv_encoder, ffs(dcbe->or) - 1); |
| nv50_outp_dump_caps(drm, nv_encoder); |
| |
| return 0; |
| } |
| |
| /****************************************************************************** |
| * Atomic |
| *****************************************************************************/ |
| |
| static void |
| nv50_disp_atomic_commit_core(struct drm_atomic_state *state, u32 *interlock) |
| { |
| struct nouveau_drm *drm = nouveau_drm(state->dev); |
| struct nv50_disp *disp = nv50_disp(drm->dev); |
| struct nv50_core *core = disp->core; |
| struct nv50_mstm *mstm; |
| struct drm_encoder *encoder; |
| |
| NV_ATOMIC(drm, "commit core %08x\n", interlock[NV50_DISP_INTERLOCK_BASE]); |
| |
| drm_for_each_encoder(encoder, drm->dev) { |
| if (encoder->encoder_type != DRM_MODE_ENCODER_DPMST) { |
| mstm = nouveau_encoder(encoder)->dp.mstm; |
| if (mstm && mstm->modified) |
| nv50_mstm_prepare(mstm); |
| } |
| } |
| |
| core->func->ntfy_init(disp->sync, NV50_DISP_CORE_NTFY); |
| core->func->update(core, interlock, true); |
| if (core->func->ntfy_wait_done(disp->sync, NV50_DISP_CORE_NTFY, |
| disp->core->chan.base.device)) |
| NV_ERROR(drm, "core notifier timeout\n"); |
| |
| drm_for_each_encoder(encoder, drm->dev) { |
| if (encoder->encoder_type != DRM_MODE_ENCODER_DPMST) { |
| mstm = nouveau_encoder(encoder)->dp.mstm; |
| if (mstm && mstm->modified) |
| nv50_mstm_cleanup(mstm); |
| } |
| } |
| } |
| |
| static void |
| nv50_disp_atomic_commit_wndw(struct drm_atomic_state *state, u32 *interlock) |
| { |
| struct drm_plane_state *new_plane_state; |
| struct drm_plane *plane; |
| int i; |
| |
| for_each_new_plane_in_state(state, plane, new_plane_state, i) { |
| struct nv50_wndw *wndw = nv50_wndw(plane); |
| if (interlock[wndw->interlock.type] & wndw->interlock.data) { |
| if (wndw->func->update) |
| wndw->func->update(wndw, interlock); |
| } |
| } |
| } |
| |
| static void |
| nv50_disp_atomic_commit_tail(struct drm_atomic_state *state) |
| { |
| struct drm_device *dev = state->dev; |
| struct drm_crtc_state *new_crtc_state, *old_crtc_state; |
| struct drm_crtc *crtc; |
| struct drm_plane_state *new_plane_state; |
| struct drm_plane *plane; |
| struct nouveau_drm *drm = nouveau_drm(dev); |
| struct nv50_disp *disp = nv50_disp(dev); |
| struct nv50_atom *atom = nv50_atom(state); |
| struct nv50_core *core = disp->core; |
| struct nv50_outp_atom *outp, *outt; |
| u32 interlock[NV50_DISP_INTERLOCK__SIZE] = {}; |
| int i; |
| bool flushed = false; |
| |
| NV_ATOMIC(drm, "commit %d %d\n", atom->lock_core, atom->flush_disable); |
| nv50_crc_atomic_stop_reporting(state); |
| drm_atomic_helper_wait_for_fences(dev, state, false); |
| drm_atomic_helper_wait_for_dependencies(state); |
| drm_atomic_helper_update_legacy_modeset_state(dev, state); |
| drm_atomic_helper_calc_timestamping_constants(state); |
| |
| if (atom->lock_core) |
| mutex_lock(&disp->mutex); |
| |
| /* Disable head(s). */ |
| for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { |
| struct nv50_head_atom *asyh = nv50_head_atom(new_crtc_state); |
| struct nv50_head *head = nv50_head(crtc); |
| |
| NV_ATOMIC(drm, "%s: clr %04x (set %04x)\n", crtc->name, |
| asyh->clr.mask, asyh->set.mask); |
| |
| if (old_crtc_state->active && !new_crtc_state->active) { |
| pm_runtime_put_noidle(dev->dev); |
| drm_crtc_vblank_off(crtc); |
| } |
| |
| if (asyh->clr.mask) { |
| nv50_head_flush_clr(head, asyh, atom->flush_disable); |
| interlock[NV50_DISP_INTERLOCK_CORE] |= 1; |
| } |
| } |
| |
| /* Disable plane(s). */ |
| for_each_new_plane_in_state(state, plane, new_plane_state, i) { |
| struct nv50_wndw_atom *asyw = nv50_wndw_atom(new_plane_state); |
| struct nv50_wndw *wndw = nv50_wndw(plane); |
| |
| NV_ATOMIC(drm, "%s: clr %02x (set %02x)\n", plane->name, |
| asyw->clr.mask, asyw->set.mask); |
| if (!asyw->clr.mask) |
| continue; |
| |
| nv50_wndw_flush_clr(wndw, interlock, atom->flush_disable, asyw); |
| } |
| |
| /* Disable output path(s). */ |
| list_for_each_entry(outp, &atom->outp, head) { |
| const struct drm_encoder_helper_funcs *help; |
| struct drm_encoder *encoder; |
| |
| encoder = outp->encoder; |
| help = encoder->helper_private; |
| |
| NV_ATOMIC(drm, "%s: clr %02x (set %02x)\n", encoder->name, |
| outp->clr.mask, outp->set.mask); |
| |
| if (outp->clr.mask) { |
| help->atomic_disable(encoder, state); |
| interlock[NV50_DISP_INTERLOCK_CORE] |= 1; |
| if (outp->flush_disable) { |
| nv50_disp_atomic_commit_wndw(state, interlock); |
| nv50_disp_atomic_commit_core(state, interlock); |
| memset(interlock, 0x00, sizeof(interlock)); |
| |
| flushed = true; |
| } |
| } |
| } |
| |
| /* Flush disable. */ |
| if (interlock[NV50_DISP_INTERLOCK_CORE]) { |
| if (atom->flush_disable) { |
| nv50_disp_atomic_commit_wndw(state, interlock); |
| nv50_disp_atomic_commit_core(state, interlock); |
| memset(interlock, 0x00, sizeof(interlock)); |
| |
| flushed = true; |
| } |
| } |
| |
| if (flushed) |
| nv50_crc_atomic_release_notifier_contexts(state); |
| nv50_crc_atomic_init_notifier_contexts(state); |
| |
| /* Update output path(s). */ |
| list_for_each_entry_safe(outp, outt, &atom->outp, head) { |
| const struct drm_encoder_helper_funcs *help; |
| struct drm_encoder *encoder; |
| |
| encoder = outp->encoder; |
| help = encoder->helper_private; |
| |
| NV_ATOMIC(drm, "%s: set %02x (clr %02x)\n", encoder->name, |
| outp->set.mask, outp->clr.mask); |
| |
| if (outp->set.mask) { |
| help->atomic_enable(encoder, state); |
| interlock[NV50_DISP_INTERLOCK_CORE] = 1; |
| } |
| |
| list_del(&outp->head); |
| kfree(outp); |
| } |
| |
| /* Update head(s). */ |
| for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { |
| struct nv50_head_atom *asyh = nv50_head_atom(new_crtc_state); |
| struct nv50_head *head = nv50_head(crtc); |
| |
| NV_ATOMIC(drm, "%s: set %04x (clr %04x)\n", crtc->name, |
| asyh->set.mask, asyh->clr.mask); |
| |
| if (asyh->set.mask) { |
| nv50_head_flush_set(head, asyh); |
| interlock[NV50_DISP_INTERLOCK_CORE] = 1; |
| } |
| |
| if (new_crtc_state->active) { |
| if (!old_crtc_state->active) { |
| drm_crtc_vblank_on(crtc); |
| pm_runtime_get_noresume(dev->dev); |
| } |
| if (new_crtc_state->event) |
| drm_crtc_vblank_get(crtc); |
| } |
| } |
| |
| /* Update window->head assignment. |
| * |
| * This has to happen in an update that's not interlocked with |
| * any window channels to avoid hitting HW error checks. |
| * |
| *TODO: Proper handling of window ownership (Turing apparently |
| * supports non-fixed mappings). |
| */ |
| if (core->assign_windows) { |
| core->func->wndw.owner(core); |
| nv50_disp_atomic_commit_core(state, interlock); |
| core->assign_windows = false; |
| interlock[NV50_DISP_INTERLOCK_CORE] = 0; |
| } |
| |
| /* Finish updating head(s)... |
| * |
| * NVD is rather picky about both where window assignments can change, |
| * *and* about certain core and window channel states matching. |
| * |
| * The EFI GOP driver on newer GPUs configures window channels with a |
| * different output format to what we do, and the core channel update |
| * in the assign_windows case above would result in a state mismatch. |
| * |
| * Delay some of the head update until after that point to workaround |
| * the issue. This only affects the initial modeset. |
| * |
| * TODO: handle this better when adding flexible window mapping |
| */ |
| for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { |
| struct nv50_head_atom *asyh = nv50_head_atom(new_crtc_state); |
| struct nv50_head *head = nv50_head(crtc); |
| |
| NV_ATOMIC(drm, "%s: set %04x (clr %04x)\n", crtc->name, |
| asyh->set.mask, asyh->clr.mask); |
| |
| if (asyh->set.mask) { |
| nv50_head_flush_set_wndw(head, asyh); |
| interlock[NV50_DISP_INTERLOCK_CORE] = 1; |
| } |
| } |
| |
| /* Update plane(s). */ |
| for_each_new_plane_in_state(state, plane, new_plane_state, i) { |
| struct nv50_wndw_atom *asyw = nv50_wndw_atom(new_plane_state); |
| struct nv50_wndw *wndw = nv50_wndw(plane); |
| |
| NV_ATOMIC(drm, "%s: set %02x (clr %02x)\n", plane->name, |
| asyw->set.mask, asyw->clr.mask); |
| if ( !asyw->set.mask && |
| (!asyw->clr.mask || atom->flush_disable)) |
| continue; |
| |
| nv50_wndw_flush_set(wndw, interlock, asyw); |
| } |
| |
| /* Flush update. */ |
| nv50_disp_atomic_commit_wndw(state, interlock); |
| |
| if (interlock[NV50_DISP_INTERLOCK_CORE]) { |
| if (interlock[NV50_DISP_INTERLOCK_BASE] || |
| interlock[NV50_DISP_INTERLOCK_OVLY] || |
| interlock[NV50_DISP_INTERLOCK_WNDW] || |
| !atom->state.legacy_cursor_update) |
| nv50_disp_atomic_commit_core(state, interlock); |
| else |
| disp->core->func->update(disp->core, interlock, false); |
| } |
| |
| if (atom->lock_core) |
| mutex_unlock(&disp->mutex); |
| |
| /* Wait for HW to signal completion. */ |
| for_each_new_plane_in_state(state, plane, new_plane_state, i) { |
| struct nv50_wndw_atom *asyw = nv50_wndw_atom(new_plane_state); |
| struct nv50_wndw *wndw = nv50_wndw(plane); |
| int ret = nv50_wndw_wait_armed(wndw, asyw); |
| if (ret) |
| NV_ERROR(drm, "%s: timeout\n", plane->name); |
| } |
| |
| for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { |
| if (new_crtc_state->event) { |
| unsigned long flags; |
| /* Get correct count/ts if racing with vblank irq */ |
| if (new_crtc_state->active) |
| drm_crtc_accurate_vblank_count(crtc); |
| spin_lock_irqsave(&crtc->dev->event_lock, flags); |
| drm_crtc_send_vblank_event(crtc, new_crtc_state->event); |
| spin_unlock_irqrestore(&crtc->dev->event_lock, flags); |
| |
| new_crtc_state->event = NULL; |
| if (new_crtc_state->active) |
| drm_crtc_vblank_put(crtc); |
| } |
| } |
| |
| nv50_crc_atomic_start_reporting(state); |
| if (!flushed) |
| nv50_crc_atomic_release_notifier_contexts(state); |
| |
| drm_atomic_helper_commit_hw_done(state); |
| drm_atomic_helper_cleanup_planes(dev, state); |
| drm_atomic_helper_commit_cleanup_done(state); |
| drm_atomic_state_put(state); |
| |
| /* Drop the RPM ref we got from nv50_disp_atomic_commit() */ |
| pm_runtime_mark_last_busy(dev->dev); |
| pm_runtime_put_autosuspend(dev->dev); |
| } |
| |
| static void |
| nv50_disp_atomic_commit_work(struct work_struct *work) |
| { |
| struct drm_atomic_state *state = |
| container_of(work, typeof(*state), commit_work); |
| nv50_disp_atomic_commit_tail(state); |
| } |
| |
| static int |
| nv50_disp_atomic_commit(struct drm_device *dev, |
| struct drm_atomic_state *state, bool nonblock) |
| { |
| struct drm_plane_state *new_plane_state; |
| struct drm_plane *plane; |
| int ret, i; |
| |
| ret = pm_runtime_get_sync(dev->dev); |
| if (ret < 0 && ret != -EACCES) { |
| pm_runtime_put_autosuspend(dev->dev); |
| return ret; |
| } |
| |
| ret = drm_atomic_helper_setup_commit(state, nonblock); |
| if (ret) |
| goto done; |
| |
| INIT_WORK(&state->commit_work, nv50_disp_atomic_commit_work); |
| |
| ret = drm_atomic_helper_prepare_planes(dev, state); |
| if (ret) |
| goto done; |
| |
| if (!nonblock) { |
| ret = drm_atomic_helper_wait_for_fences(dev, state, true); |
| if (ret) |
| goto err_cleanup; |
| } |
| |
| ret = drm_atomic_helper_swap_state(state, true); |
| if (ret) |
| goto err_cleanup; |
| |
| for_each_new_plane_in_state(state, plane, new_plane_state, i) { |
| struct nv50_wndw_atom *asyw = nv50_wndw_atom(new_plane_state); |
| struct nv50_wndw *wndw = nv50_wndw(plane); |
| |
| if (asyw->set.image) |
| nv50_wndw_ntfy_enable(wndw, asyw); |
| } |
| |
| drm_atomic_state_get(state); |
| |
| /* |
| * Grab another RPM ref for the commit tail, which will release the |
| * ref when it's finished |
| */ |
| pm_runtime_get_noresume(dev->dev); |
| |
| if (nonblock) |
| queue_work(system_unbound_wq, &state->commit_work); |
| else |
| nv50_disp_atomic_commit_tail(state); |
| |
| err_cleanup: |
| if (ret) |
| drm_atomic_helper_cleanup_planes(dev, state); |
| done: |
| pm_runtime_put_autosuspend(dev->dev); |
| return ret; |
| } |
| |
| static struct nv50_outp_atom * |
| nv50_disp_outp_atomic_add(struct nv50_atom *atom, struct drm_encoder *encoder) |
| { |
| struct nv50_outp_atom *outp; |
| |
| list_for_each_entry(outp, &atom->outp, head) { |
| if (outp->encoder == encoder) |
| return outp; |
| } |
| |
| outp = kzalloc(sizeof(*outp), GFP_KERNEL); |
| if (!outp) |
| return ERR_PTR(-ENOMEM); |
| |
| list_add(&outp->head, &atom->outp); |
| outp->encoder = encoder; |
| return outp; |
| } |
| |
| static int |
| nv50_disp_outp_atomic_check_clr(struct nv50_atom *atom, |
| struct drm_connector_state *old_connector_state) |
| { |
| struct drm_encoder *encoder = old_connector_state->best_encoder; |
| struct drm_crtc_state *old_crtc_state, *new_crtc_state; |
| struct drm_crtc *crtc; |
| struct nv50_outp_atom *outp; |
| |
| if (!(crtc = old_connector_state->crtc)) |
| return 0; |
| |
| old_crtc_state = drm_atomic_get_old_crtc_state(&atom->state, crtc); |
| new_crtc_state = drm_atomic_get_new_crtc_state(&atom->state, crtc); |
| if (old_crtc_state->active && drm_atomic_crtc_needs_modeset(new_crtc_state)) { |
| outp = nv50_disp_outp_atomic_add(atom, encoder); |
| if (IS_ERR(outp)) |
| return PTR_ERR(outp); |
| |
| if (outp->encoder->encoder_type == DRM_MODE_ENCODER_DPMST) { |
| outp->flush_disable = true; |
| atom->flush_disable = true; |
| } |
| outp->clr.ctrl = true; |
| atom->lock_core = true; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| nv50_disp_outp_atomic_check_set(struct nv50_atom *atom, |
| struct drm_connector_state *connector_state) |
| { |
| struct drm_encoder *encoder = connector_state->best_encoder; |
| struct drm_crtc_state *new_crtc_state; |
| struct drm_crtc *crtc; |
| struct nv50_outp_atom *outp; |
| |
| if (!(crtc = connector_state->crtc)) |
| return 0; |
| |
| new_crtc_state = drm_atomic_get_new_crtc_state(&atom->state, crtc); |
| if (new_crtc_state->active && drm_atomic_crtc_needs_modeset(new_crtc_state)) { |
| outp = nv50_disp_outp_atomic_add(atom, encoder); |
| if (IS_ERR(outp)) |
| return PTR_ERR(outp); |
| |
| outp->set.ctrl = true; |
| atom->lock_core = true; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| nv50_disp_atomic_check(struct drm_device *dev, struct drm_atomic_state *state) |
| { |
| struct nv50_atom *atom = nv50_atom(state); |
| struct nv50_core *core = nv50_disp(dev)->core; |
| struct drm_connector_state *old_connector_state, *new_connector_state; |
| struct drm_connector *connector; |
| struct drm_crtc_state *new_crtc_state; |
| struct drm_crtc *crtc; |
| struct nv50_head *head; |
| struct nv50_head_atom *asyh; |
| int ret, i; |
| |
| if (core->assign_windows && core->func->head->static_wndw_map) { |
| drm_for_each_crtc(crtc, dev) { |
| new_crtc_state = drm_atomic_get_crtc_state(state, |
| crtc); |
| if (IS_ERR(new_crtc_state)) |
| return PTR_ERR(new_crtc_state); |
| |
| head = nv50_head(crtc); |
| asyh = nv50_head_atom(new_crtc_state); |
| core->func->head->static_wndw_map(head, asyh); |
| } |
| } |
| |
| /* We need to handle colour management on a per-plane basis. */ |
| for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { |
| if (new_crtc_state->color_mgmt_changed) { |
| ret = drm_atomic_add_affected_planes(state, crtc); |
| if (ret) |
| return ret; |
| } |
| } |
| |
| ret = drm_atomic_helper_check(dev, state); |
| if (ret) |
| return ret; |
| |
| for_each_oldnew_connector_in_state(state, connector, old_connector_state, new_connector_state, i) { |
| ret = nv50_disp_outp_atomic_check_clr(atom, old_connector_state); |
| if (ret) |
| return ret; |
| |
| ret = nv50_disp_outp_atomic_check_set(atom, new_connector_state); |
| if (ret) |
| return ret; |
| } |
| |
| ret = drm_dp_mst_atomic_check(state); |
| if (ret) |
| return ret; |
| |
| nv50_crc_atomic_check_outp(atom); |
| |
| return 0; |
| } |
| |
| static void |
| nv50_disp_atomic_state_clear(struct drm_atomic_state *state) |
| { |
| struct nv50_atom *atom = nv50_atom(state); |
| struct nv50_outp_atom *outp, *outt; |
| |
| list_for_each_entry_safe(outp, outt, &atom->outp, head) { |
| list_del(&outp->head); |
| kfree(outp); |
| } |
| |
| drm_atomic_state_default_clear(state); |
| } |
| |
| static void |
| nv50_disp_atomic_state_free(struct drm_atomic_state *state) |
| { |
| struct nv50_atom *atom = nv50_atom(state); |
| drm_atomic_state_default_release(&atom->state); |
| kfree(atom); |
| } |
| |
| static struct drm_atomic_state * |
| nv50_disp_atomic_state_alloc(struct drm_device *dev) |
| { |
| struct nv50_atom *atom; |
| if (!(atom = kzalloc(sizeof(*atom), GFP_KERNEL)) || |
| drm_atomic_state_init(dev, &atom->state) < 0) { |
| kfree(atom); |
| return NULL; |
| } |
| INIT_LIST_HEAD(&atom->outp); |
| return &atom->state; |
| } |
| |
| static const struct drm_mode_config_funcs |
| nv50_disp_func = { |
| .fb_create = nouveau_user_framebuffer_create, |
| .output_poll_changed = nouveau_fbcon_output_poll_changed, |
| .atomic_check = nv50_disp_atomic_check, |
| .atomic_commit = nv50_disp_atomic_commit, |
| .atomic_state_alloc = nv50_disp_atomic_state_alloc, |
| .atomic_state_clear = nv50_disp_atomic_state_clear, |
| .atomic_state_free = nv50_disp_atomic_state_free, |
| }; |
| |
| /****************************************************************************** |
| * Init |
| *****************************************************************************/ |
| |
| static void |
| nv50_display_fini(struct drm_device *dev, bool runtime, bool suspend) |
| { |
| struct nouveau_drm *drm = nouveau_drm(dev); |
| struct drm_encoder *encoder; |
| struct drm_plane *plane; |
| |
| drm_for_each_plane(plane, dev) { |
| struct nv50_wndw *wndw = nv50_wndw(plane); |
| if (plane->funcs != &nv50_wndw) |
| continue; |
| nv50_wndw_fini(wndw); |
| } |
| |
| list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
| if (encoder->encoder_type != DRM_MODE_ENCODER_DPMST) |
| nv50_mstm_fini(nouveau_encoder(encoder)); |
| } |
| |
| if (!runtime) |
| cancel_work_sync(&drm->hpd_work); |
| } |
| |
| static int |
| nv50_display_init(struct drm_device *dev, bool resume, bool runtime) |
| { |
| struct nv50_core *core = nv50_disp(dev)->core; |
| struct drm_encoder *encoder; |
| struct drm_plane *plane; |
| |
| if (resume || runtime) |
| core->func->init(core); |
| |
| list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
| if (encoder->encoder_type != DRM_MODE_ENCODER_DPMST) { |
| struct nouveau_encoder *nv_encoder = |
| nouveau_encoder(encoder); |
| nv50_mstm_init(nv_encoder, runtime); |
| } |
| } |
| |
| drm_for_each_plane(plane, dev) { |
| struct nv50_wndw *wndw = nv50_wndw(plane); |
| if (plane->funcs != &nv50_wndw) |
| continue; |
| nv50_wndw_init(wndw); |
| } |
| |
| return 0; |
| } |
| |
| static void |
| nv50_display_destroy(struct drm_device *dev) |
| { |
| struct nv50_disp *disp = nv50_disp(dev); |
| |
| nv50_audio_component_fini(nouveau_drm(dev)); |
| |
| nvif_object_unmap(&disp->caps); |
| nvif_object_dtor(&disp->caps); |
| nv50_core_del(&disp->core); |
| |
| nouveau_bo_unmap(disp->sync); |
| if (disp->sync) |
| nouveau_bo_unpin(disp->sync); |
| nouveau_bo_ref(NULL, &disp->sync); |
| |
| nouveau_display(dev)->priv = NULL; |
| kfree(disp); |
| } |
| |
| int |
| nv50_display_create(struct drm_device *dev) |
| { |
| struct nvif_device *device = &nouveau_drm(dev)->client.device; |
| struct nouveau_drm *drm = nouveau_drm(dev); |
| struct dcb_table *dcb = &drm->vbios.dcb; |
| struct drm_connector *connector, *tmp; |
| struct nv50_disp *disp; |
| struct dcb_output *dcbe; |
| int crtcs, ret, i; |
| bool has_mst = nv50_has_mst(drm); |
| |
| disp = kzalloc(sizeof(*disp), GFP_KERNEL); |
| if (!disp) |
| return -ENOMEM; |
| |
| mutex_init(&disp->mutex); |
| |
| nouveau_display(dev)->priv = disp; |
| nouveau_display(dev)->dtor = nv50_display_destroy; |
| nouveau_display(dev)->init = nv50_display_init; |
| nouveau_display(dev)->fini = nv50_display_fini; |
| disp->disp = &nouveau_display(dev)->disp; |
| dev->mode_config.funcs = &nv50_disp_func; |
| dev->mode_config.quirk_addfb_prefer_xbgr_30bpp = true; |
| dev->mode_config.normalize_zpos = true; |
| |
| /* small shared memory area we use for notifiers and semaphores */ |
| ret = nouveau_bo_new(&drm->client, 4096, 0x1000, |
| NOUVEAU_GEM_DOMAIN_VRAM, |
| 0, 0x0000, NULL, NULL, &disp->sync); |
| if (!ret) { |
| ret = nouveau_bo_pin(disp->sync, NOUVEAU_GEM_DOMAIN_VRAM, true); |
| if (!ret) { |
| ret = nouveau_bo_map(disp->sync); |
| if (ret) |
| nouveau_bo_unpin(disp->sync); |
| } |
| if (ret) |
| nouveau_bo_ref(NULL, &disp->sync); |
| } |
| |
| if (ret) |
| goto out; |
| |
| /* allocate master evo channel */ |
| ret = nv50_core_new(drm, &disp->core); |
| if (ret) |
| goto out; |
| |
| disp->core->func->init(disp->core); |
| if (disp->core->func->caps_init) { |
| ret = disp->core->func->caps_init(drm, disp); |
| if (ret) |
| goto out; |
| } |
| |
| /* Assign the correct format modifiers */ |
| if (disp->disp->object.oclass >= TU102_DISP) |
| nouveau_display(dev)->format_modifiers = wndwc57e_modifiers; |
| else |
| if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI) |
| nouveau_display(dev)->format_modifiers = disp90xx_modifiers; |
| else |
| nouveau_display(dev)->format_modifiers = disp50xx_modifiers; |
| |
| /* FIXME: 256x256 cursors are supported on Kepler, however unlike Maxwell and later |
| * generations Kepler requires that we use small pages (4K) for cursor scanout surfaces. The |
| * proper fix for this is to teach nouveau to migrate fbs being used for the cursor plane to |
| * small page allocations in prepare_fb(). When this is implemented, we should also force |
| * large pages (128K) for ovly fbs in order to fix Kepler ovlys. |
| * But until then, just limit cursors to 128x128 - which is small enough to avoid ever using |
| * large pages. |
| */ |
| if (disp->disp->object.oclass >= GM107_DISP) { |
| dev->mode_config.cursor_width = 256; |
| dev->mode_config.cursor_height = 256; |
| } else if (disp->disp->object.oclass >= GK104_DISP) { |
| dev->mode_config.cursor_width = 128; |
| dev->mode_config.cursor_height = 128; |
| } else { |
| dev->mode_config.cursor_width = 64; |
| dev->mode_config.cursor_height = 64; |
| } |
| |
| /* create crtc objects to represent the hw heads */ |
| if (disp->disp->object.oclass >= GV100_DISP) |
| crtcs = nvif_rd32(&device->object, 0x610060) & 0xff; |
| else |
| if (disp->disp->object.oclass >= GF110_DISP) |
| crtcs = nvif_rd32(&device->object, 0x612004) & 0xf; |
| else |
| crtcs = 0x3; |
| |
| for (i = 0; i < fls(crtcs); i++) { |
| struct nv50_head *head; |
| |
| if (!(crtcs & (1 << i))) |
| continue; |
| |
| head = nv50_head_create(dev, i); |
| if (IS_ERR(head)) { |
| ret = PTR_ERR(head); |
| goto out; |
| } |
| |
| if (has_mst) { |
| head->msto = nv50_msto_new(dev, head, i); |
| if (IS_ERR(head->msto)) { |
| ret = PTR_ERR(head->msto); |
| head->msto = NULL; |
| goto out; |
| } |
| |
| /* |
| * FIXME: This is a hack to workaround the following |
| * issues: |
| * |
| * https://gitlab.gnome.org/GNOME/mutter/issues/759 |
| * https://gitlab.freedesktop.org/xorg/xserver/merge_requests/277 |
| * |
| * Once these issues are closed, this should be |
| * removed |
| */ |
| head->msto->encoder.possible_crtcs = crtcs; |
| } |
| } |
| |
| /* create encoder/connector objects based on VBIOS DCB table */ |
| for (i = 0, dcbe = &dcb->entry[0]; i < dcb->entries; i++, dcbe++) { |
| connector = nouveau_connector_create(dev, dcbe); |
| if (IS_ERR(connector)) |
| continue; |
| |
| if (dcbe->location == DCB_LOC_ON_CHIP) { |
| switch (dcbe->type) { |
| case DCB_OUTPUT_TMDS: |
| case DCB_OUTPUT_LVDS: |
| case DCB_OUTPUT_DP: |
| ret = nv50_sor_create(connector, dcbe); |
| break; |
| case DCB_OUTPUT_ANALOG: |
| ret = nv50_dac_create(connector, dcbe); |
| break; |
| default: |
| ret = -ENODEV; |
| break; |
| } |
| } else { |
| ret = nv50_pior_create(connector, dcbe); |
| } |
| |
| if (ret) { |
| NV_WARN(drm, "failed to create encoder %d/%d/%d: %d\n", |
| dcbe->location, dcbe->type, |
| ffs(dcbe->or) - 1, ret); |
| ret = 0; |
| } |
| } |
| |
| /* cull any connectors we created that don't have an encoder */ |
| list_for_each_entry_safe(connector, tmp, &dev->mode_config.connector_list, head) { |
| if (connector->possible_encoders) |
| continue; |
| |
| NV_WARN(drm, "%s has no encoders, removing\n", |
| connector->name); |
| connector->funcs->destroy(connector); |
| } |
| |
| /* Disable vblank irqs aggressively for power-saving, safe on nv50+ */ |
| dev->vblank_disable_immediate = true; |
| |
| nv50_audio_component_init(drm); |
| |
| out: |
| if (ret) |
| nv50_display_destroy(dev); |
| return ret; |
| } |
| |
| /****************************************************************************** |
| * Format modifiers |
| *****************************************************************************/ |
| |
| /**************************************************************** |
| * Log2(block height) ----------------------------+ * |
| * Page Kind ----------------------------------+ | * |
| * Gob Height/Page Kind Generation ------+ | | * |
| * Sector layout -------+ | | | * |
| * Compression ------+ | | | | */ |
| const u64 disp50xx_modifiers[] = { /* | | | | | */ |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x7a, 0), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x7a, 1), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x7a, 2), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x7a, 3), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x7a, 4), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x7a, 5), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x78, 0), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x78, 1), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x78, 2), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x78, 3), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x78, 4), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x78, 5), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x70, 0), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x70, 1), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x70, 2), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x70, 3), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x70, 4), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x70, 5), |
| DRM_FORMAT_MOD_LINEAR, |
| DRM_FORMAT_MOD_INVALID |
| }; |
| |
| /**************************************************************** |
| * Log2(block height) ----------------------------+ * |
| * Page Kind ----------------------------------+ | * |
| * Gob Height/Page Kind Generation ------+ | | * |
| * Sector layout -------+ | | | * |
| * Compression ------+ | | | | */ |
| const u64 disp90xx_modifiers[] = { /* | | | | | */ |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 0, 0xfe, 0), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 0, 0xfe, 1), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 0, 0xfe, 2), |
| DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 0, |