| // SPDX-License-Identifier: GPL-2.0 OR MIT |
| /****************************************************************************** |
| * |
| * COPYRIGHT (C) 2014-2022 VMware, Inc., Palo Alto, CA., USA |
| * |
| * 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, sub license, 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 (including the |
| * next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. |
| * |
| ******************************************************************************/ |
| |
| #include <drm/drm_atomic.h> |
| #include <drm/drm_atomic_helper.h> |
| #include <drm/drm_damage_helper.h> |
| #include <drm/drm_fourcc.h> |
| #include <drm/drm_plane_helper.h> |
| #include <drm/drm_vblank.h> |
| |
| #include "vmwgfx_kms.h" |
| #include "vmw_surface_cache.h" |
| |
| #define vmw_crtc_to_stdu(x) \ |
| container_of(x, struct vmw_screen_target_display_unit, base.crtc) |
| #define vmw_encoder_to_stdu(x) \ |
| container_of(x, struct vmw_screen_target_display_unit, base.encoder) |
| #define vmw_connector_to_stdu(x) \ |
| container_of(x, struct vmw_screen_target_display_unit, base.connector) |
| |
| |
| |
| enum stdu_content_type { |
| SAME_AS_DISPLAY = 0, |
| SEPARATE_SURFACE, |
| SEPARATE_BO |
| }; |
| |
| /** |
| * struct vmw_stdu_dirty - closure structure for the update functions |
| * |
| * @base: The base type we derive from. Used by vmw_kms_helper_dirty(). |
| * @transfer: Transfer direction for DMA command. |
| * @left: Left side of bounding box. |
| * @right: Right side of bounding box. |
| * @top: Top side of bounding box. |
| * @bottom: Bottom side of bounding box. |
| * @fb_left: Left side of the framebuffer/content bounding box |
| * @fb_top: Top of the framebuffer/content bounding box |
| * @pitch: framebuffer pitch (stride) |
| * @buf: buffer object when DMA-ing between buffer and screen targets. |
| * @sid: Surface ID when copying between surface and screen targets. |
| */ |
| struct vmw_stdu_dirty { |
| struct vmw_kms_dirty base; |
| SVGA3dTransferType transfer; |
| s32 left, right, top, bottom; |
| s32 fb_left, fb_top; |
| u32 pitch; |
| union { |
| struct vmw_buffer_object *buf; |
| u32 sid; |
| }; |
| }; |
| |
| /* |
| * SVGA commands that are used by this code. Please see the device headers |
| * for explanation. |
| */ |
| struct vmw_stdu_update { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdUpdateGBScreenTarget body; |
| }; |
| |
| struct vmw_stdu_dma { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdSurfaceDMA body; |
| }; |
| |
| struct vmw_stdu_surface_copy { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdSurfaceCopy body; |
| }; |
| |
| struct vmw_stdu_update_gb_image { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdUpdateGBImage body; |
| }; |
| |
| /** |
| * struct vmw_screen_target_display_unit |
| * |
| * @base: VMW specific DU structure |
| * @display_srf: surface to be displayed. The dimension of this will always |
| * match the display mode. If the display mode matches |
| * content_vfbs dimensions, then this is a pointer into the |
| * corresponding field in content_vfbs. If not, then this |
| * is a separate buffer to which content_vfbs will blit to. |
| * @content_fb_type: content_fb type |
| * @display_width: display width |
| * @display_height: display height |
| * @defined: true if the current display unit has been initialized |
| * @cpp: Bytes per pixel |
| */ |
| struct vmw_screen_target_display_unit { |
| struct vmw_display_unit base; |
| struct vmw_surface *display_srf; |
| enum stdu_content_type content_fb_type; |
| s32 display_width, display_height; |
| |
| bool defined; |
| |
| /* For CPU Blit */ |
| unsigned int cpp; |
| }; |
| |
| |
| |
| static void vmw_stdu_destroy(struct vmw_screen_target_display_unit *stdu); |
| |
| |
| |
| /****************************************************************************** |
| * Screen Target Display Unit CRTC Functions |
| *****************************************************************************/ |
| |
| static bool vmw_stdu_use_cpu_blit(const struct vmw_private *vmw) |
| { |
| return !(vmw->capabilities & SVGA_CAP_3D) || vmw->vram_size < (32 * 1024 * 1024); |
| } |
| |
| |
| /** |
| * vmw_stdu_crtc_destroy - cleans up the STDU |
| * |
| * @crtc: used to get a reference to the containing STDU |
| */ |
| static void vmw_stdu_crtc_destroy(struct drm_crtc *crtc) |
| { |
| vmw_stdu_destroy(vmw_crtc_to_stdu(crtc)); |
| } |
| |
| /** |
| * vmw_stdu_define_st - Defines a Screen Target |
| * |
| * @dev_priv: VMW DRM device |
| * @stdu: display unit to create a Screen Target for |
| * @mode: The mode to set. |
| * @crtc_x: X coordinate of screen target relative to framebuffer origin. |
| * @crtc_y: Y coordinate of screen target relative to framebuffer origin. |
| * |
| * Creates a STDU that we can used later. This function is called whenever the |
| * framebuffer size changes. |
| * |
| * RETURNs: |
| * 0 on success, error code on failure |
| */ |
| static int vmw_stdu_define_st(struct vmw_private *dev_priv, |
| struct vmw_screen_target_display_unit *stdu, |
| struct drm_display_mode *mode, |
| int crtc_x, int crtc_y) |
| { |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdDefineGBScreenTarget body; |
| } *cmd; |
| |
| cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd)); |
| if (unlikely(cmd == NULL)) |
| return -ENOMEM; |
| |
| cmd->header.id = SVGA_3D_CMD_DEFINE_GB_SCREENTARGET; |
| cmd->header.size = sizeof(cmd->body); |
| |
| cmd->body.stid = stdu->base.unit; |
| cmd->body.width = mode->hdisplay; |
| cmd->body.height = mode->vdisplay; |
| cmd->body.flags = (0 == cmd->body.stid) ? SVGA_STFLAG_PRIMARY : 0; |
| cmd->body.dpi = 0; |
| cmd->body.xRoot = crtc_x; |
| cmd->body.yRoot = crtc_y; |
| |
| stdu->base.set_gui_x = cmd->body.xRoot; |
| stdu->base.set_gui_y = cmd->body.yRoot; |
| |
| vmw_cmd_commit(dev_priv, sizeof(*cmd)); |
| |
| stdu->defined = true; |
| stdu->display_width = mode->hdisplay; |
| stdu->display_height = mode->vdisplay; |
| |
| return 0; |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_bind_st - Binds a surface to a Screen Target |
| * |
| * @dev_priv: VMW DRM device |
| * @stdu: display unit affected |
| * @res: Buffer to bind to the screen target. Set to NULL to blank screen. |
| * |
| * Binding a surface to a Screen Target the same as flipping |
| */ |
| static int vmw_stdu_bind_st(struct vmw_private *dev_priv, |
| struct vmw_screen_target_display_unit *stdu, |
| const struct vmw_resource *res) |
| { |
| SVGA3dSurfaceImageId image; |
| |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdBindGBScreenTarget body; |
| } *cmd; |
| |
| |
| if (!stdu->defined) { |
| DRM_ERROR("No screen target defined\n"); |
| return -EINVAL; |
| } |
| |
| /* Set up image using information in vfb */ |
| memset(&image, 0, sizeof(image)); |
| image.sid = res ? res->id : SVGA3D_INVALID_ID; |
| |
| cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd)); |
| if (unlikely(cmd == NULL)) |
| return -ENOMEM; |
| |
| cmd->header.id = SVGA_3D_CMD_BIND_GB_SCREENTARGET; |
| cmd->header.size = sizeof(cmd->body); |
| |
| cmd->body.stid = stdu->base.unit; |
| cmd->body.image = image; |
| |
| vmw_cmd_commit(dev_priv, sizeof(*cmd)); |
| |
| return 0; |
| } |
| |
| /** |
| * vmw_stdu_populate_update - populate an UPDATE_GB_SCREENTARGET command with a |
| * bounding box. |
| * |
| * @cmd: Pointer to command stream. |
| * @unit: Screen target unit. |
| * @left: Left side of bounding box. |
| * @right: Right side of bounding box. |
| * @top: Top side of bounding box. |
| * @bottom: Bottom side of bounding box. |
| */ |
| static void vmw_stdu_populate_update(void *cmd, int unit, |
| s32 left, s32 right, s32 top, s32 bottom) |
| { |
| struct vmw_stdu_update *update = cmd; |
| |
| update->header.id = SVGA_3D_CMD_UPDATE_GB_SCREENTARGET; |
| update->header.size = sizeof(update->body); |
| |
| update->body.stid = unit; |
| update->body.rect.x = left; |
| update->body.rect.y = top; |
| update->body.rect.w = right - left; |
| update->body.rect.h = bottom - top; |
| } |
| |
| /** |
| * vmw_stdu_update_st - Full update of a Screen Target |
| * |
| * @dev_priv: VMW DRM device |
| * @stdu: display unit affected |
| * |
| * This function needs to be called whenever the content of a screen |
| * target has changed completely. Typically as a result of a backing |
| * surface change. |
| * |
| * RETURNS: |
| * 0 on success, error code on failure |
| */ |
| static int vmw_stdu_update_st(struct vmw_private *dev_priv, |
| struct vmw_screen_target_display_unit *stdu) |
| { |
| struct vmw_stdu_update *cmd; |
| |
| if (!stdu->defined) { |
| DRM_ERROR("No screen target defined"); |
| return -EINVAL; |
| } |
| |
| cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd)); |
| if (unlikely(cmd == NULL)) |
| return -ENOMEM; |
| |
| vmw_stdu_populate_update(cmd, stdu->base.unit, |
| 0, stdu->display_width, |
| 0, stdu->display_height); |
| |
| vmw_cmd_commit(dev_priv, sizeof(*cmd)); |
| |
| return 0; |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_destroy_st - Destroy a Screen Target |
| * |
| * @dev_priv: VMW DRM device |
| * @stdu: display unit to destroy |
| */ |
| static int vmw_stdu_destroy_st(struct vmw_private *dev_priv, |
| struct vmw_screen_target_display_unit *stdu) |
| { |
| int ret; |
| |
| struct { |
| SVGA3dCmdHeader header; |
| SVGA3dCmdDestroyGBScreenTarget body; |
| } *cmd; |
| |
| |
| /* Nothing to do if not successfully defined */ |
| if (unlikely(!stdu->defined)) |
| return 0; |
| |
| cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd)); |
| if (unlikely(cmd == NULL)) |
| return -ENOMEM; |
| |
| cmd->header.id = SVGA_3D_CMD_DESTROY_GB_SCREENTARGET; |
| cmd->header.size = sizeof(cmd->body); |
| |
| cmd->body.stid = stdu->base.unit; |
| |
| vmw_cmd_commit(dev_priv, sizeof(*cmd)); |
| |
| /* Force sync */ |
| ret = vmw_fallback_wait(dev_priv, false, true, 0, false, 3*HZ); |
| if (unlikely(ret != 0)) |
| DRM_ERROR("Failed to sync with HW"); |
| |
| stdu->defined = false; |
| stdu->display_width = 0; |
| stdu->display_height = 0; |
| |
| return ret; |
| } |
| |
| |
| /** |
| * vmw_stdu_crtc_mode_set_nofb - Updates screen target size |
| * |
| * @crtc: CRTC associated with the screen target |
| * |
| * This function defines/destroys a screen target |
| * |
| */ |
| static void vmw_stdu_crtc_mode_set_nofb(struct drm_crtc *crtc) |
| { |
| struct vmw_private *dev_priv; |
| struct vmw_screen_target_display_unit *stdu; |
| struct drm_connector_state *conn_state; |
| struct vmw_connector_state *vmw_conn_state; |
| int x, y, ret; |
| |
| stdu = vmw_crtc_to_stdu(crtc); |
| dev_priv = vmw_priv(crtc->dev); |
| conn_state = stdu->base.connector.state; |
| vmw_conn_state = vmw_connector_state_to_vcs(conn_state); |
| |
| if (stdu->defined) { |
| ret = vmw_stdu_bind_st(dev_priv, stdu, NULL); |
| if (ret) |
| DRM_ERROR("Failed to blank CRTC\n"); |
| |
| (void) vmw_stdu_update_st(dev_priv, stdu); |
| |
| ret = vmw_stdu_destroy_st(dev_priv, stdu); |
| if (ret) |
| DRM_ERROR("Failed to destroy Screen Target\n"); |
| |
| stdu->content_fb_type = SAME_AS_DISPLAY; |
| } |
| |
| if (!crtc->state->enable) |
| return; |
| |
| x = vmw_conn_state->gui_x; |
| y = vmw_conn_state->gui_y; |
| |
| vmw_svga_enable(dev_priv); |
| ret = vmw_stdu_define_st(dev_priv, stdu, &crtc->mode, x, y); |
| |
| if (ret) |
| DRM_ERROR("Failed to define Screen Target of size %dx%d\n", |
| crtc->x, crtc->y); |
| } |
| |
| |
| static void vmw_stdu_crtc_helper_prepare(struct drm_crtc *crtc) |
| { |
| } |
| |
| static void vmw_stdu_crtc_atomic_enable(struct drm_crtc *crtc, |
| struct drm_atomic_state *state) |
| { |
| } |
| |
| static void vmw_stdu_crtc_atomic_disable(struct drm_crtc *crtc, |
| struct drm_atomic_state *state) |
| { |
| struct vmw_private *dev_priv; |
| struct vmw_screen_target_display_unit *stdu; |
| int ret; |
| |
| |
| if (!crtc) { |
| DRM_ERROR("CRTC is NULL\n"); |
| return; |
| } |
| |
| stdu = vmw_crtc_to_stdu(crtc); |
| dev_priv = vmw_priv(crtc->dev); |
| |
| if (stdu->defined) { |
| ret = vmw_stdu_bind_st(dev_priv, stdu, NULL); |
| if (ret) |
| DRM_ERROR("Failed to blank CRTC\n"); |
| |
| (void) vmw_stdu_update_st(dev_priv, stdu); |
| |
| ret = vmw_stdu_destroy_st(dev_priv, stdu); |
| if (ret) |
| DRM_ERROR("Failed to destroy Screen Target\n"); |
| |
| stdu->content_fb_type = SAME_AS_DISPLAY; |
| } |
| } |
| |
| /** |
| * vmw_stdu_bo_clip - Callback to encode a suface DMA command cliprect |
| * |
| * @dirty: The closure structure. |
| * |
| * Encodes a surface DMA command cliprect and updates the bounding box |
| * for the DMA. |
| */ |
| static void vmw_stdu_bo_clip(struct vmw_kms_dirty *dirty) |
| { |
| struct vmw_stdu_dirty *ddirty = |
| container_of(dirty, struct vmw_stdu_dirty, base); |
| struct vmw_stdu_dma *cmd = dirty->cmd; |
| struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; |
| |
| blit += dirty->num_hits; |
| blit->srcx = dirty->fb_x; |
| blit->srcy = dirty->fb_y; |
| blit->x = dirty->unit_x1; |
| blit->y = dirty->unit_y1; |
| blit->d = 1; |
| blit->w = dirty->unit_x2 - dirty->unit_x1; |
| blit->h = dirty->unit_y2 - dirty->unit_y1; |
| dirty->num_hits++; |
| |
| if (ddirty->transfer != SVGA3D_WRITE_HOST_VRAM) |
| return; |
| |
| /* Destination bounding box */ |
| ddirty->left = min_t(s32, ddirty->left, dirty->unit_x1); |
| ddirty->top = min_t(s32, ddirty->top, dirty->unit_y1); |
| ddirty->right = max_t(s32, ddirty->right, dirty->unit_x2); |
| ddirty->bottom = max_t(s32, ddirty->bottom, dirty->unit_y2); |
| } |
| |
| /** |
| * vmw_stdu_bo_fifo_commit - Callback to fill in and submit a DMA command. |
| * |
| * @dirty: The closure structure. |
| * |
| * Fills in the missing fields in a DMA command, and optionally encodes |
| * a screen target update command, depending on transfer direction. |
| */ |
| static void vmw_stdu_bo_fifo_commit(struct vmw_kms_dirty *dirty) |
| { |
| struct vmw_stdu_dirty *ddirty = |
| container_of(dirty, struct vmw_stdu_dirty, base); |
| struct vmw_screen_target_display_unit *stdu = |
| container_of(dirty->unit, typeof(*stdu), base); |
| struct vmw_stdu_dma *cmd = dirty->cmd; |
| struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; |
| SVGA3dCmdSurfaceDMASuffix *suffix = |
| (SVGA3dCmdSurfaceDMASuffix *) &blit[dirty->num_hits]; |
| size_t blit_size = sizeof(*blit) * dirty->num_hits + sizeof(*suffix); |
| |
| if (!dirty->num_hits) { |
| vmw_cmd_commit(dirty->dev_priv, 0); |
| return; |
| } |
| |
| cmd->header.id = SVGA_3D_CMD_SURFACE_DMA; |
| cmd->header.size = sizeof(cmd->body) + blit_size; |
| vmw_bo_get_guest_ptr(&ddirty->buf->base, &cmd->body.guest.ptr); |
| cmd->body.guest.pitch = ddirty->pitch; |
| cmd->body.host.sid = stdu->display_srf->res.id; |
| cmd->body.host.face = 0; |
| cmd->body.host.mipmap = 0; |
| cmd->body.transfer = ddirty->transfer; |
| suffix->suffixSize = sizeof(*suffix); |
| suffix->maximumOffset = ddirty->buf->base.base.size; |
| |
| if (ddirty->transfer == SVGA3D_WRITE_HOST_VRAM) { |
| blit_size += sizeof(struct vmw_stdu_update); |
| |
| vmw_stdu_populate_update(&suffix[1], stdu->base.unit, |
| ddirty->left, ddirty->right, |
| ddirty->top, ddirty->bottom); |
| } |
| |
| vmw_cmd_commit(dirty->dev_priv, sizeof(*cmd) + blit_size); |
| |
| stdu->display_srf->res.res_dirty = true; |
| ddirty->left = ddirty->top = S32_MAX; |
| ddirty->right = ddirty->bottom = S32_MIN; |
| } |
| |
| |
| /** |
| * vmw_stdu_bo_cpu_clip - Callback to encode a CPU blit |
| * |
| * @dirty: The closure structure. |
| * |
| * This function calculates the bounding box for all the incoming clips. |
| */ |
| static void vmw_stdu_bo_cpu_clip(struct vmw_kms_dirty *dirty) |
| { |
| struct vmw_stdu_dirty *ddirty = |
| container_of(dirty, struct vmw_stdu_dirty, base); |
| |
| dirty->num_hits = 1; |
| |
| /* Calculate destination bounding box */ |
| ddirty->left = min_t(s32, ddirty->left, dirty->unit_x1); |
| ddirty->top = min_t(s32, ddirty->top, dirty->unit_y1); |
| ddirty->right = max_t(s32, ddirty->right, dirty->unit_x2); |
| ddirty->bottom = max_t(s32, ddirty->bottom, dirty->unit_y2); |
| |
| /* |
| * Calculate content bounding box. We only need the top-left |
| * coordinate because width and height will be the same as the |
| * destination bounding box above |
| */ |
| ddirty->fb_left = min_t(s32, ddirty->fb_left, dirty->fb_x); |
| ddirty->fb_top = min_t(s32, ddirty->fb_top, dirty->fb_y); |
| } |
| |
| |
| /** |
| * vmw_stdu_bo_cpu_commit - Callback to do a CPU blit from buffer object |
| * |
| * @dirty: The closure structure. |
| * |
| * For the special case when we cannot create a proxy surface in a |
| * 2D VM, we have to do a CPU blit ourselves. |
| */ |
| static void vmw_stdu_bo_cpu_commit(struct vmw_kms_dirty *dirty) |
| { |
| struct vmw_stdu_dirty *ddirty = |
| container_of(dirty, struct vmw_stdu_dirty, base); |
| struct vmw_screen_target_display_unit *stdu = |
| container_of(dirty->unit, typeof(*stdu), base); |
| s32 width, height; |
| s32 src_pitch, dst_pitch; |
| struct ttm_buffer_object *src_bo, *dst_bo; |
| u32 src_offset, dst_offset; |
| struct vmw_diff_cpy diff = VMW_CPU_BLIT_DIFF_INITIALIZER(stdu->cpp); |
| |
| if (!dirty->num_hits) |
| return; |
| |
| width = ddirty->right - ddirty->left; |
| height = ddirty->bottom - ddirty->top; |
| |
| if (width == 0 || height == 0) |
| return; |
| |
| /* Assume we are blitting from Guest (bo) to Host (display_srf) */ |
| dst_pitch = stdu->display_srf->metadata.base_size.width * stdu->cpp; |
| dst_bo = &stdu->display_srf->res.backup->base; |
| dst_offset = ddirty->top * dst_pitch + ddirty->left * stdu->cpp; |
| |
| src_pitch = ddirty->pitch; |
| src_bo = &ddirty->buf->base; |
| src_offset = ddirty->fb_top * src_pitch + ddirty->fb_left * stdu->cpp; |
| |
| /* Swap src and dst if the assumption was wrong. */ |
| if (ddirty->transfer != SVGA3D_WRITE_HOST_VRAM) { |
| swap(dst_pitch, src_pitch); |
| swap(dst_bo, src_bo); |
| swap(src_offset, dst_offset); |
| } |
| |
| (void) vmw_bo_cpu_blit(dst_bo, dst_offset, dst_pitch, |
| src_bo, src_offset, src_pitch, |
| width * stdu->cpp, height, &diff); |
| |
| if (ddirty->transfer == SVGA3D_WRITE_HOST_VRAM && |
| drm_rect_visible(&diff.rect)) { |
| struct vmw_private *dev_priv; |
| struct vmw_stdu_update *cmd; |
| struct drm_clip_rect region; |
| int ret; |
| |
| /* We are updating the actual surface, not a proxy */ |
| region.x1 = diff.rect.x1; |
| region.x2 = diff.rect.x2; |
| region.y1 = diff.rect.y1; |
| region.y2 = diff.rect.y2; |
| ret = vmw_kms_update_proxy(&stdu->display_srf->res, ®ion, |
| 1, 1); |
| if (ret) |
| goto out_cleanup; |
| |
| |
| dev_priv = vmw_priv(stdu->base.crtc.dev); |
| cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd)); |
| if (!cmd) |
| goto out_cleanup; |
| |
| vmw_stdu_populate_update(cmd, stdu->base.unit, |
| region.x1, region.x2, |
| region.y1, region.y2); |
| |
| vmw_cmd_commit(dev_priv, sizeof(*cmd)); |
| } |
| |
| out_cleanup: |
| ddirty->left = ddirty->top = ddirty->fb_left = ddirty->fb_top = S32_MAX; |
| ddirty->right = ddirty->bottom = S32_MIN; |
| } |
| |
| /** |
| * vmw_kms_stdu_dma - Perform a DMA transfer between a buffer-object backed |
| * framebuffer and the screen target system. |
| * |
| * @dev_priv: Pointer to the device private structure. |
| * @file_priv: Pointer to a struct drm-file identifying the caller. May be |
| * set to NULL, but then @user_fence_rep must also be set to NULL. |
| * @vfb: Pointer to the buffer-object backed framebuffer. |
| * @user_fence_rep: User-space provided structure for fence information. |
| * @clips: Array of clip rects. Either @clips or @vclips must be NULL. |
| * @vclips: Alternate array of clip rects. Either @clips or @vclips must |
| * be NULL. |
| * @num_clips: Number of clip rects in @clips or @vclips. |
| * @increment: Increment to use when looping over @clips or @vclips. |
| * @to_surface: Whether to DMA to the screen target system as opposed to |
| * from the screen target system. |
| * @interruptible: Whether to perform waits interruptible if possible. |
| * @crtc: If crtc is passed, perform stdu dma on that crtc only. |
| * |
| * If DMA-ing till the screen target system, the function will also notify |
| * the screen target system that a bounding box of the cliprects has been |
| * updated. |
| * Returns 0 on success, negative error code on failure. -ERESTARTSYS if |
| * interrupted. |
| */ |
| int vmw_kms_stdu_dma(struct vmw_private *dev_priv, |
| struct drm_file *file_priv, |
| struct vmw_framebuffer *vfb, |
| struct drm_vmw_fence_rep __user *user_fence_rep, |
| struct drm_clip_rect *clips, |
| struct drm_vmw_rect *vclips, |
| uint32_t num_clips, |
| int increment, |
| bool to_surface, |
| bool interruptible, |
| struct drm_crtc *crtc) |
| { |
| struct vmw_buffer_object *buf = |
| container_of(vfb, struct vmw_framebuffer_bo, base)->buffer; |
| struct vmw_stdu_dirty ddirty; |
| int ret; |
| bool cpu_blit = vmw_stdu_use_cpu_blit(dev_priv); |
| DECLARE_VAL_CONTEXT(val_ctx, NULL, 0); |
| |
| /* |
| * VMs without 3D support don't have the surface DMA command and |
| * we'll be using a CPU blit, and the framebuffer should be moved out |
| * of VRAM. |
| */ |
| ret = vmw_validation_add_bo(&val_ctx, buf, false, cpu_blit); |
| if (ret) |
| return ret; |
| |
| ret = vmw_validation_prepare(&val_ctx, NULL, interruptible); |
| if (ret) |
| goto out_unref; |
| |
| ddirty.transfer = (to_surface) ? SVGA3D_WRITE_HOST_VRAM : |
| SVGA3D_READ_HOST_VRAM; |
| ddirty.left = ddirty.top = S32_MAX; |
| ddirty.right = ddirty.bottom = S32_MIN; |
| ddirty.fb_left = ddirty.fb_top = S32_MAX; |
| ddirty.pitch = vfb->base.pitches[0]; |
| ddirty.buf = buf; |
| ddirty.base.fifo_commit = vmw_stdu_bo_fifo_commit; |
| ddirty.base.clip = vmw_stdu_bo_clip; |
| ddirty.base.fifo_reserve_size = sizeof(struct vmw_stdu_dma) + |
| num_clips * sizeof(SVGA3dCopyBox) + |
| sizeof(SVGA3dCmdSurfaceDMASuffix); |
| if (to_surface) |
| ddirty.base.fifo_reserve_size += sizeof(struct vmw_stdu_update); |
| |
| |
| if (cpu_blit) { |
| ddirty.base.fifo_commit = vmw_stdu_bo_cpu_commit; |
| ddirty.base.clip = vmw_stdu_bo_cpu_clip; |
| ddirty.base.fifo_reserve_size = 0; |
| } |
| |
| ddirty.base.crtc = crtc; |
| |
| ret = vmw_kms_helper_dirty(dev_priv, vfb, clips, vclips, |
| 0, 0, num_clips, increment, &ddirty.base); |
| |
| vmw_kms_helper_validation_finish(dev_priv, file_priv, &val_ctx, NULL, |
| user_fence_rep); |
| return ret; |
| |
| out_unref: |
| vmw_validation_unref_lists(&val_ctx); |
| return ret; |
| } |
| |
| /** |
| * vmw_kms_stdu_surface_clip - Callback to encode a surface copy command cliprect |
| * |
| * @dirty: The closure structure. |
| * |
| * Encodes a surface copy command cliprect and updates the bounding box |
| * for the copy. |
| */ |
| static void vmw_kms_stdu_surface_clip(struct vmw_kms_dirty *dirty) |
| { |
| struct vmw_stdu_dirty *sdirty = |
| container_of(dirty, struct vmw_stdu_dirty, base); |
| struct vmw_stdu_surface_copy *cmd = dirty->cmd; |
| struct vmw_screen_target_display_unit *stdu = |
| container_of(dirty->unit, typeof(*stdu), base); |
| |
| if (sdirty->sid != stdu->display_srf->res.id) { |
| struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; |
| |
| blit += dirty->num_hits; |
| blit->srcx = dirty->fb_x; |
| blit->srcy = dirty->fb_y; |
| blit->x = dirty->unit_x1; |
| blit->y = dirty->unit_y1; |
| blit->d = 1; |
| blit->w = dirty->unit_x2 - dirty->unit_x1; |
| blit->h = dirty->unit_y2 - dirty->unit_y1; |
| } |
| |
| dirty->num_hits++; |
| |
| /* Destination bounding box */ |
| sdirty->left = min_t(s32, sdirty->left, dirty->unit_x1); |
| sdirty->top = min_t(s32, sdirty->top, dirty->unit_y1); |
| sdirty->right = max_t(s32, sdirty->right, dirty->unit_x2); |
| sdirty->bottom = max_t(s32, sdirty->bottom, dirty->unit_y2); |
| } |
| |
| /** |
| * vmw_kms_stdu_surface_fifo_commit - Callback to fill in and submit a surface |
| * copy command. |
| * |
| * @dirty: The closure structure. |
| * |
| * Fills in the missing fields in a surface copy command, and encodes a screen |
| * target update command. |
| */ |
| static void vmw_kms_stdu_surface_fifo_commit(struct vmw_kms_dirty *dirty) |
| { |
| struct vmw_stdu_dirty *sdirty = |
| container_of(dirty, struct vmw_stdu_dirty, base); |
| struct vmw_screen_target_display_unit *stdu = |
| container_of(dirty->unit, typeof(*stdu), base); |
| struct vmw_stdu_surface_copy *cmd = dirty->cmd; |
| struct vmw_stdu_update *update; |
| size_t blit_size = sizeof(SVGA3dCopyBox) * dirty->num_hits; |
| size_t commit_size; |
| |
| if (!dirty->num_hits) { |
| vmw_cmd_commit(dirty->dev_priv, 0); |
| return; |
| } |
| |
| if (sdirty->sid != stdu->display_srf->res.id) { |
| struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1]; |
| |
| cmd->header.id = SVGA_3D_CMD_SURFACE_COPY; |
| cmd->header.size = sizeof(cmd->body) + blit_size; |
| cmd->body.src.sid = sdirty->sid; |
| cmd->body.dest.sid = stdu->display_srf->res.id; |
| update = (struct vmw_stdu_update *) &blit[dirty->num_hits]; |
| commit_size = sizeof(*cmd) + blit_size + sizeof(*update); |
| stdu->display_srf->res.res_dirty = true; |
| } else { |
| update = dirty->cmd; |
| commit_size = sizeof(*update); |
| } |
| |
| vmw_stdu_populate_update(update, stdu->base.unit, sdirty->left, |
| sdirty->right, sdirty->top, sdirty->bottom); |
| |
| vmw_cmd_commit(dirty->dev_priv, commit_size); |
| |
| sdirty->left = sdirty->top = S32_MAX; |
| sdirty->right = sdirty->bottom = S32_MIN; |
| } |
| |
| /** |
| * vmw_kms_stdu_surface_dirty - Dirty part of a surface backed framebuffer |
| * |
| * @dev_priv: Pointer to the device private structure. |
| * @framebuffer: Pointer to the surface-buffer backed framebuffer. |
| * @clips: Array of clip rects. Either @clips or @vclips must be NULL. |
| * @vclips: Alternate array of clip rects. Either @clips or @vclips must |
| * be NULL. |
| * @srf: Pointer to surface to blit from. If NULL, the surface attached |
| * to @framebuffer will be used. |
| * @dest_x: X coordinate offset to align @srf with framebuffer coordinates. |
| * @dest_y: Y coordinate offset to align @srf with framebuffer coordinates. |
| * @num_clips: Number of clip rects in @clips. |
| * @inc: Increment to use when looping over @clips. |
| * @out_fence: If non-NULL, will return a ref-counted pointer to a |
| * struct vmw_fence_obj. The returned fence pointer may be NULL in which |
| * case the device has already synchronized. |
| * @crtc: If crtc is passed, perform surface dirty on that crtc only. |
| * |
| * Returns 0 on success, negative error code on failure. -ERESTARTSYS if |
| * interrupted. |
| */ |
| int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv, |
| struct vmw_framebuffer *framebuffer, |
| struct drm_clip_rect *clips, |
| struct drm_vmw_rect *vclips, |
| struct vmw_resource *srf, |
| s32 dest_x, |
| s32 dest_y, |
| unsigned num_clips, int inc, |
| struct vmw_fence_obj **out_fence, |
| struct drm_crtc *crtc) |
| { |
| struct vmw_framebuffer_surface *vfbs = |
| container_of(framebuffer, typeof(*vfbs), base); |
| struct vmw_stdu_dirty sdirty; |
| DECLARE_VAL_CONTEXT(val_ctx, NULL, 0); |
| int ret; |
| |
| if (!srf) |
| srf = &vfbs->surface->res; |
| |
| ret = vmw_validation_add_resource(&val_ctx, srf, 0, VMW_RES_DIRTY_NONE, |
| NULL, NULL); |
| if (ret) |
| return ret; |
| |
| ret = vmw_validation_prepare(&val_ctx, &dev_priv->cmdbuf_mutex, true); |
| if (ret) |
| goto out_unref; |
| |
| if (vfbs->is_bo_proxy) { |
| ret = vmw_kms_update_proxy(srf, clips, num_clips, inc); |
| if (ret) |
| goto out_finish; |
| } |
| |
| sdirty.base.fifo_commit = vmw_kms_stdu_surface_fifo_commit; |
| sdirty.base.clip = vmw_kms_stdu_surface_clip; |
| sdirty.base.fifo_reserve_size = sizeof(struct vmw_stdu_surface_copy) + |
| sizeof(SVGA3dCopyBox) * num_clips + |
| sizeof(struct vmw_stdu_update); |
| sdirty.base.crtc = crtc; |
| sdirty.sid = srf->id; |
| sdirty.left = sdirty.top = S32_MAX; |
| sdirty.right = sdirty.bottom = S32_MIN; |
| |
| ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips, |
| dest_x, dest_y, num_clips, inc, |
| &sdirty.base); |
| out_finish: |
| vmw_kms_helper_validation_finish(dev_priv, NULL, &val_ctx, out_fence, |
| NULL); |
| |
| return ret; |
| |
| out_unref: |
| vmw_validation_unref_lists(&val_ctx); |
| return ret; |
| } |
| |
| |
| /* |
| * Screen Target CRTC dispatch table |
| */ |
| static const struct drm_crtc_funcs vmw_stdu_crtc_funcs = { |
| .gamma_set = vmw_du_crtc_gamma_set, |
| .destroy = vmw_stdu_crtc_destroy, |
| .reset = vmw_du_crtc_reset, |
| .atomic_duplicate_state = vmw_du_crtc_duplicate_state, |
| .atomic_destroy_state = vmw_du_crtc_destroy_state, |
| .set_config = drm_atomic_helper_set_config, |
| .page_flip = drm_atomic_helper_page_flip, |
| .get_vblank_counter = vmw_get_vblank_counter, |
| .enable_vblank = vmw_enable_vblank, |
| .disable_vblank = vmw_disable_vblank, |
| }; |
| |
| |
| |
| /****************************************************************************** |
| * Screen Target Display Unit Encoder Functions |
| *****************************************************************************/ |
| |
| /** |
| * vmw_stdu_encoder_destroy - cleans up the STDU |
| * |
| * @encoder: used the get the containing STDU |
| * |
| * vmwgfx cleans up crtc/encoder/connector all at the same time so technically |
| * this can be a no-op. Nevertheless, it doesn't hurt of have this in case |
| * the common KMS code changes and somehow vmw_stdu_crtc_destroy() doesn't |
| * get called. |
| */ |
| static void vmw_stdu_encoder_destroy(struct drm_encoder *encoder) |
| { |
| vmw_stdu_destroy(vmw_encoder_to_stdu(encoder)); |
| } |
| |
| static const struct drm_encoder_funcs vmw_stdu_encoder_funcs = { |
| .destroy = vmw_stdu_encoder_destroy, |
| }; |
| |
| |
| |
| /****************************************************************************** |
| * Screen Target Display Unit Connector Functions |
| *****************************************************************************/ |
| |
| /** |
| * vmw_stdu_connector_destroy - cleans up the STDU |
| * |
| * @connector: used to get the containing STDU |
| * |
| * vmwgfx cleans up crtc/encoder/connector all at the same time so technically |
| * this can be a no-op. Nevertheless, it doesn't hurt of have this in case |
| * the common KMS code changes and somehow vmw_stdu_crtc_destroy() doesn't |
| * get called. |
| */ |
| static void vmw_stdu_connector_destroy(struct drm_connector *connector) |
| { |
| vmw_stdu_destroy(vmw_connector_to_stdu(connector)); |
| } |
| |
| |
| |
| static const struct drm_connector_funcs vmw_stdu_connector_funcs = { |
| .dpms = vmw_du_connector_dpms, |
| .detect = vmw_du_connector_detect, |
| .fill_modes = vmw_du_connector_fill_modes, |
| .destroy = vmw_stdu_connector_destroy, |
| .reset = vmw_du_connector_reset, |
| .atomic_duplicate_state = vmw_du_connector_duplicate_state, |
| .atomic_destroy_state = vmw_du_connector_destroy_state, |
| }; |
| |
| |
| static const struct |
| drm_connector_helper_funcs vmw_stdu_connector_helper_funcs = { |
| }; |
| |
| |
| |
| /****************************************************************************** |
| * Screen Target Display Plane Functions |
| *****************************************************************************/ |
| |
| |
| |
| /** |
| * vmw_stdu_primary_plane_cleanup_fb - Unpins the display surface |
| * |
| * @plane: display plane |
| * @old_state: Contains the FB to clean up |
| * |
| * Unpins the display surface |
| * |
| * Returns 0 on success |
| */ |
| static void |
| vmw_stdu_primary_plane_cleanup_fb(struct drm_plane *plane, |
| struct drm_plane_state *old_state) |
| { |
| struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state); |
| |
| if (vps->surf) |
| WARN_ON(!vps->pinned); |
| |
| vmw_du_plane_cleanup_fb(plane, old_state); |
| |
| vps->content_fb_type = SAME_AS_DISPLAY; |
| vps->cpp = 0; |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_primary_plane_prepare_fb - Readies the display surface |
| * |
| * @plane: display plane |
| * @new_state: info on the new plane state, including the FB |
| * |
| * This function allocates a new display surface if the content is |
| * backed by a buffer object. The display surface is pinned here, and it'll |
| * be unpinned in .cleanup_fb() |
| * |
| * Returns 0 on success |
| */ |
| static int |
| vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane, |
| struct drm_plane_state *new_state) |
| { |
| struct vmw_private *dev_priv = vmw_priv(plane->dev); |
| struct drm_framebuffer *new_fb = new_state->fb; |
| struct vmw_framebuffer *vfb; |
| struct vmw_plane_state *vps = vmw_plane_state_to_vps(new_state); |
| enum stdu_content_type new_content_type; |
| struct vmw_framebuffer_surface *new_vfbs; |
| uint32_t hdisplay = new_state->crtc_w, vdisplay = new_state->crtc_h; |
| int ret; |
| |
| /* No FB to prepare */ |
| if (!new_fb) { |
| if (vps->surf) { |
| WARN_ON(vps->pinned != 0); |
| vmw_surface_unreference(&vps->surf); |
| } |
| |
| return 0; |
| } |
| |
| vfb = vmw_framebuffer_to_vfb(new_fb); |
| new_vfbs = (vfb->bo) ? NULL : vmw_framebuffer_to_vfbs(new_fb); |
| |
| if (new_vfbs && |
| new_vfbs->surface->metadata.base_size.width == hdisplay && |
| new_vfbs->surface->metadata.base_size.height == vdisplay) |
| new_content_type = SAME_AS_DISPLAY; |
| else if (vfb->bo) |
| new_content_type = SEPARATE_BO; |
| else |
| new_content_type = SEPARATE_SURFACE; |
| |
| if (new_content_type != SAME_AS_DISPLAY) { |
| struct vmw_surface_metadata metadata = {0}; |
| |
| /* |
| * If content buffer is a buffer object, then we have to |
| * construct surface info |
| */ |
| if (new_content_type == SEPARATE_BO) { |
| |
| switch (new_fb->format->cpp[0]*8) { |
| case 32: |
| metadata.format = SVGA3D_X8R8G8B8; |
| break; |
| |
| case 16: |
| metadata.format = SVGA3D_R5G6B5; |
| break; |
| |
| case 8: |
| metadata.format = SVGA3D_P8; |
| break; |
| |
| default: |
| DRM_ERROR("Invalid format\n"); |
| return -EINVAL; |
| } |
| |
| metadata.mip_levels[0] = 1; |
| metadata.num_sizes = 1; |
| metadata.scanout = true; |
| } else { |
| metadata = new_vfbs->surface->metadata; |
| } |
| |
| metadata.base_size.width = hdisplay; |
| metadata.base_size.height = vdisplay; |
| metadata.base_size.depth = 1; |
| |
| if (vps->surf) { |
| struct drm_vmw_size cur_base_size = |
| vps->surf->metadata.base_size; |
| |
| if (cur_base_size.width != metadata.base_size.width || |
| cur_base_size.height != metadata.base_size.height || |
| vps->surf->metadata.format != metadata.format) { |
| WARN_ON(vps->pinned != 0); |
| vmw_surface_unreference(&vps->surf); |
| } |
| |
| } |
| |
| if (!vps->surf) { |
| ret = vmw_gb_surface_define(dev_priv, &metadata, |
| &vps->surf); |
| if (ret != 0) { |
| DRM_ERROR("Couldn't allocate STDU surface.\n"); |
| return ret; |
| } |
| } |
| } else { |
| /* |
| * prepare_fb and clean_fb should only take care of pinning |
| * and unpinning. References are tracked by state objects. |
| * The only time we add a reference in prepare_fb is if the |
| * state object doesn't have a reference to begin with |
| */ |
| if (vps->surf) { |
| WARN_ON(vps->pinned != 0); |
| vmw_surface_unreference(&vps->surf); |
| } |
| |
| vps->surf = vmw_surface_reference(new_vfbs->surface); |
| } |
| |
| if (vps->surf) { |
| |
| /* Pin new surface before flipping */ |
| ret = vmw_resource_pin(&vps->surf->res, false); |
| if (ret) |
| goto out_srf_unref; |
| |
| vps->pinned++; |
| } |
| |
| vps->content_fb_type = new_content_type; |
| |
| /* |
| * This should only happen if the buffer object is too large to create a |
| * proxy surface for. |
| * If we are a 2D VM with a buffer object then we have to use CPU blit |
| * so cache these mappings |
| */ |
| if (vps->content_fb_type == SEPARATE_BO && |
| vmw_stdu_use_cpu_blit(dev_priv)) |
| vps->cpp = new_fb->pitches[0] / new_fb->width; |
| |
| return 0; |
| |
| out_srf_unref: |
| vmw_surface_unreference(&vps->surf); |
| return ret; |
| } |
| |
| static uint32_t vmw_stdu_bo_fifo_size(struct vmw_du_update_plane *update, |
| uint32_t num_hits) |
| { |
| return sizeof(struct vmw_stdu_dma) + sizeof(SVGA3dCopyBox) * num_hits + |
| sizeof(SVGA3dCmdSurfaceDMASuffix) + |
| sizeof(struct vmw_stdu_update); |
| } |
| |
| static uint32_t vmw_stdu_bo_fifo_size_cpu(struct vmw_du_update_plane *update, |
| uint32_t num_hits) |
| { |
| return sizeof(struct vmw_stdu_update_gb_image) + |
| sizeof(struct vmw_stdu_update); |
| } |
| |
| static uint32_t vmw_stdu_bo_populate_dma(struct vmw_du_update_plane *update, |
| void *cmd, uint32_t num_hits) |
| { |
| struct vmw_screen_target_display_unit *stdu; |
| struct vmw_framebuffer_bo *vfbbo; |
| struct vmw_stdu_dma *cmd_dma = cmd; |
| |
| stdu = container_of(update->du, typeof(*stdu), base); |
| vfbbo = container_of(update->vfb, typeof(*vfbbo), base); |
| |
| cmd_dma->header.id = SVGA_3D_CMD_SURFACE_DMA; |
| cmd_dma->header.size = sizeof(cmd_dma->body) + |
| sizeof(struct SVGA3dCopyBox) * num_hits + |
| sizeof(SVGA3dCmdSurfaceDMASuffix); |
| vmw_bo_get_guest_ptr(&vfbbo->buffer->base, &cmd_dma->body.guest.ptr); |
| cmd_dma->body.guest.pitch = update->vfb->base.pitches[0]; |
| cmd_dma->body.host.sid = stdu->display_srf->res.id; |
| cmd_dma->body.host.face = 0; |
| cmd_dma->body.host.mipmap = 0; |
| cmd_dma->body.transfer = SVGA3D_WRITE_HOST_VRAM; |
| |
| return sizeof(*cmd_dma); |
| } |
| |
| static uint32_t vmw_stdu_bo_populate_clip(struct vmw_du_update_plane *update, |
| void *cmd, struct drm_rect *clip, |
| uint32_t fb_x, uint32_t fb_y) |
| { |
| struct SVGA3dCopyBox *box = cmd; |
| |
| box->srcx = fb_x; |
| box->srcy = fb_y; |
| box->srcz = 0; |
| box->x = clip->x1; |
| box->y = clip->y1; |
| box->z = 0; |
| box->w = drm_rect_width(clip); |
| box->h = drm_rect_height(clip); |
| box->d = 1; |
| |
| return sizeof(*box); |
| } |
| |
| static uint32_t vmw_stdu_bo_populate_update(struct vmw_du_update_plane *update, |
| void *cmd, struct drm_rect *bb) |
| { |
| struct vmw_screen_target_display_unit *stdu; |
| struct vmw_framebuffer_bo *vfbbo; |
| SVGA3dCmdSurfaceDMASuffix *suffix = cmd; |
| |
| stdu = container_of(update->du, typeof(*stdu), base); |
| vfbbo = container_of(update->vfb, typeof(*vfbbo), base); |
| |
| suffix->suffixSize = sizeof(*suffix); |
| suffix->maximumOffset = vfbbo->buffer->base.base.size; |
| |
| vmw_stdu_populate_update(&suffix[1], stdu->base.unit, bb->x1, bb->x2, |
| bb->y1, bb->y2); |
| |
| return sizeof(*suffix) + sizeof(struct vmw_stdu_update); |
| } |
| |
| static uint32_t vmw_stdu_bo_pre_clip_cpu(struct vmw_du_update_plane *update, |
| void *cmd, uint32_t num_hits) |
| { |
| struct vmw_du_update_plane_buffer *bo_update = |
| container_of(update, typeof(*bo_update), base); |
| |
| bo_update->fb_left = INT_MAX; |
| bo_update->fb_top = INT_MAX; |
| |
| return 0; |
| } |
| |
| static uint32_t vmw_stdu_bo_clip_cpu(struct vmw_du_update_plane *update, |
| void *cmd, struct drm_rect *clip, |
| uint32_t fb_x, uint32_t fb_y) |
| { |
| struct vmw_du_update_plane_buffer *bo_update = |
| container_of(update, typeof(*bo_update), base); |
| |
| bo_update->fb_left = min_t(int, bo_update->fb_left, fb_x); |
| bo_update->fb_top = min_t(int, bo_update->fb_top, fb_y); |
| |
| return 0; |
| } |
| |
| static uint32_t |
| vmw_stdu_bo_populate_update_cpu(struct vmw_du_update_plane *update, void *cmd, |
| struct drm_rect *bb) |
| { |
| struct vmw_du_update_plane_buffer *bo_update; |
| struct vmw_screen_target_display_unit *stdu; |
| struct vmw_framebuffer_bo *vfbbo; |
| struct vmw_diff_cpy diff = VMW_CPU_BLIT_DIFF_INITIALIZER(0); |
| struct vmw_stdu_update_gb_image *cmd_img = cmd; |
| struct vmw_stdu_update *cmd_update; |
| struct ttm_buffer_object *src_bo, *dst_bo; |
| u32 src_offset, dst_offset; |
| s32 src_pitch, dst_pitch; |
| s32 width, height; |
| |
| bo_update = container_of(update, typeof(*bo_update), base); |
| stdu = container_of(update->du, typeof(*stdu), base); |
| vfbbo = container_of(update->vfb, typeof(*vfbbo), base); |
| |
| width = bb->x2 - bb->x1; |
| height = bb->y2 - bb->y1; |
| |
| diff.cpp = stdu->cpp; |
| |
| dst_bo = &stdu->display_srf->res.backup->base; |
| dst_pitch = stdu->display_srf->metadata.base_size.width * stdu->cpp; |
| dst_offset = bb->y1 * dst_pitch + bb->x1 * stdu->cpp; |
| |
| src_bo = &vfbbo->buffer->base; |
| src_pitch = update->vfb->base.pitches[0]; |
| src_offset = bo_update->fb_top * src_pitch + bo_update->fb_left * |
| stdu->cpp; |
| |
| (void) vmw_bo_cpu_blit(dst_bo, dst_offset, dst_pitch, src_bo, |
| src_offset, src_pitch, width * stdu->cpp, height, |
| &diff); |
| |
| if (drm_rect_visible(&diff.rect)) { |
| SVGA3dBox *box = &cmd_img->body.box; |
| |
| cmd_img->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE; |
| cmd_img->header.size = sizeof(cmd_img->body); |
| cmd_img->body.image.sid = stdu->display_srf->res.id; |
| cmd_img->body.image.face = 0; |
| cmd_img->body.image.mipmap = 0; |
| |
| box->x = diff.rect.x1; |
| box->y = diff.rect.y1; |
| box->z = 0; |
| box->w = drm_rect_width(&diff.rect); |
| box->h = drm_rect_height(&diff.rect); |
| box->d = 1; |
| |
| cmd_update = (struct vmw_stdu_update *)&cmd_img[1]; |
| vmw_stdu_populate_update(cmd_update, stdu->base.unit, |
| diff.rect.x1, diff.rect.x2, |
| diff.rect.y1, diff.rect.y2); |
| |
| return sizeof(*cmd_img) + sizeof(*cmd_update); |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * vmw_stdu_plane_update_bo - Update display unit for bo backed fb. |
| * @dev_priv: device private. |
| * @plane: plane state. |
| * @old_state: old plane state. |
| * @vfb: framebuffer which is blitted to display unit. |
| * @out_fence: If non-NULL, will return a ref-counted pointer to vmw_fence_obj. |
| * The returned fence pointer may be NULL in which case the device |
| * has already synchronized. |
| * |
| * Return: 0 on success or a negative error code on failure. |
| */ |
| static int vmw_stdu_plane_update_bo(struct vmw_private *dev_priv, |
| struct drm_plane *plane, |
| struct drm_plane_state *old_state, |
| struct vmw_framebuffer *vfb, |
| struct vmw_fence_obj **out_fence) |
| { |
| struct vmw_du_update_plane_buffer bo_update; |
| |
| memset(&bo_update, 0, sizeof(struct vmw_du_update_plane_buffer)); |
| bo_update.base.plane = plane; |
| bo_update.base.old_state = old_state; |
| bo_update.base.dev_priv = dev_priv; |
| bo_update.base.du = vmw_crtc_to_du(plane->state->crtc); |
| bo_update.base.vfb = vfb; |
| bo_update.base.out_fence = out_fence; |
| bo_update.base.mutex = NULL; |
| bo_update.base.cpu_blit = vmw_stdu_use_cpu_blit(dev_priv); |
| bo_update.base.intr = false; |
| |
| /* |
| * VM without 3D support don't have surface DMA command and framebuffer |
| * should be moved out of VRAM. |
| */ |
| if (bo_update.base.cpu_blit) { |
| bo_update.base.calc_fifo_size = vmw_stdu_bo_fifo_size_cpu; |
| bo_update.base.pre_clip = vmw_stdu_bo_pre_clip_cpu; |
| bo_update.base.clip = vmw_stdu_bo_clip_cpu; |
| bo_update.base.post_clip = vmw_stdu_bo_populate_update_cpu; |
| } else { |
| bo_update.base.calc_fifo_size = vmw_stdu_bo_fifo_size; |
| bo_update.base.pre_clip = vmw_stdu_bo_populate_dma; |
| bo_update.base.clip = vmw_stdu_bo_populate_clip; |
| bo_update.base.post_clip = vmw_stdu_bo_populate_update; |
| } |
| |
| return vmw_du_helper_plane_update(&bo_update.base); |
| } |
| |
| static uint32_t |
| vmw_stdu_surface_fifo_size_same_display(struct vmw_du_update_plane *update, |
| uint32_t num_hits) |
| { |
| struct vmw_framebuffer_surface *vfbs; |
| uint32_t size = 0; |
| |
| vfbs = container_of(update->vfb, typeof(*vfbs), base); |
| |
| if (vfbs->is_bo_proxy) |
| size += sizeof(struct vmw_stdu_update_gb_image) * num_hits; |
| |
| size += sizeof(struct vmw_stdu_update); |
| |
| return size; |
| } |
| |
| static uint32_t vmw_stdu_surface_fifo_size(struct vmw_du_update_plane *update, |
| uint32_t num_hits) |
| { |
| struct vmw_framebuffer_surface *vfbs; |
| uint32_t size = 0; |
| |
| vfbs = container_of(update->vfb, typeof(*vfbs), base); |
| |
| if (vfbs->is_bo_proxy) |
| size += sizeof(struct vmw_stdu_update_gb_image) * num_hits; |
| |
| size += sizeof(struct vmw_stdu_surface_copy) + sizeof(SVGA3dCopyBox) * |
| num_hits + sizeof(struct vmw_stdu_update); |
| |
| return size; |
| } |
| |
| static uint32_t |
| vmw_stdu_surface_update_proxy(struct vmw_du_update_plane *update, void *cmd) |
| { |
| struct vmw_framebuffer_surface *vfbs; |
| struct drm_plane_state *state = update->plane->state; |
| struct drm_plane_state *old_state = update->old_state; |
| struct vmw_stdu_update_gb_image *cmd_update = cmd; |
| struct drm_atomic_helper_damage_iter iter; |
| struct drm_rect clip; |
| uint32_t copy_size = 0; |
| |
| vfbs = container_of(update->vfb, typeof(*vfbs), base); |
| |
| /* |
| * proxy surface is special where a buffer object type fb is wrapped |
| * in a surface and need an update gb image command to sync with device. |
| */ |
| drm_atomic_helper_damage_iter_init(&iter, old_state, state); |
| drm_atomic_for_each_plane_damage(&iter, &clip) { |
| SVGA3dBox *box = &cmd_update->body.box; |
| |
| cmd_update->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE; |
| cmd_update->header.size = sizeof(cmd_update->body); |
| cmd_update->body.image.sid = vfbs->surface->res.id; |
| cmd_update->body.image.face = 0; |
| cmd_update->body.image.mipmap = 0; |
| |
| box->x = clip.x1; |
| box->y = clip.y1; |
| box->z = 0; |
| box->w = drm_rect_width(&clip); |
| box->h = drm_rect_height(&clip); |
| box->d = 1; |
| |
| copy_size += sizeof(*cmd_update); |
| cmd_update++; |
| } |
| |
| return copy_size; |
| } |
| |
| static uint32_t |
| vmw_stdu_surface_populate_copy(struct vmw_du_update_plane *update, void *cmd, |
| uint32_t num_hits) |
| { |
| struct vmw_screen_target_display_unit *stdu; |
| struct vmw_framebuffer_surface *vfbs; |
| struct vmw_stdu_surface_copy *cmd_copy = cmd; |
| |
| stdu = container_of(update->du, typeof(*stdu), base); |
| vfbs = container_of(update->vfb, typeof(*vfbs), base); |
| |
| cmd_copy->header.id = SVGA_3D_CMD_SURFACE_COPY; |
| cmd_copy->header.size = sizeof(cmd_copy->body) + sizeof(SVGA3dCopyBox) * |
| num_hits; |
| cmd_copy->body.src.sid = vfbs->surface->res.id; |
| cmd_copy->body.dest.sid = stdu->display_srf->res.id; |
| |
| return sizeof(*cmd_copy); |
| } |
| |
| static uint32_t |
| vmw_stdu_surface_populate_clip(struct vmw_du_update_plane *update, void *cmd, |
| struct drm_rect *clip, uint32_t fb_x, |
| uint32_t fb_y) |
| { |
| struct SVGA3dCopyBox *box = cmd; |
| |
| box->srcx = fb_x; |
| box->srcy = fb_y; |
| box->srcz = 0; |
| box->x = clip->x1; |
| box->y = clip->y1; |
| box->z = 0; |
| box->w = drm_rect_width(clip); |
| box->h = drm_rect_height(clip); |
| box->d = 1; |
| |
| return sizeof(*box); |
| } |
| |
| static uint32_t |
| vmw_stdu_surface_populate_update(struct vmw_du_update_plane *update, void *cmd, |
| struct drm_rect *bb) |
| { |
| vmw_stdu_populate_update(cmd, update->du->unit, bb->x1, bb->x2, bb->y1, |
| bb->y2); |
| |
| return sizeof(struct vmw_stdu_update); |
| } |
| |
| /** |
| * vmw_stdu_plane_update_surface - Update display unit for surface backed fb |
| * @dev_priv: Device private |
| * @plane: Plane state |
| * @old_state: Old plane state |
| * @vfb: Framebuffer which is blitted to display unit |
| * @out_fence: If non-NULL, will return a ref-counted pointer to vmw_fence_obj. |
| * The returned fence pointer may be NULL in which case the device |
| * has already synchronized. |
| * |
| * Return: 0 on success or a negative error code on failure. |
| */ |
| static int vmw_stdu_plane_update_surface(struct vmw_private *dev_priv, |
| struct drm_plane *plane, |
| struct drm_plane_state *old_state, |
| struct vmw_framebuffer *vfb, |
| struct vmw_fence_obj **out_fence) |
| { |
| struct vmw_du_update_plane srf_update; |
| struct vmw_screen_target_display_unit *stdu; |
| struct vmw_framebuffer_surface *vfbs; |
| |
| stdu = vmw_crtc_to_stdu(plane->state->crtc); |
| vfbs = container_of(vfb, typeof(*vfbs), base); |
| |
| memset(&srf_update, 0, sizeof(struct vmw_du_update_plane)); |
| srf_update.plane = plane; |
| srf_update.old_state = old_state; |
| srf_update.dev_priv = dev_priv; |
| srf_update.du = vmw_crtc_to_du(plane->state->crtc); |
| srf_update.vfb = vfb; |
| srf_update.out_fence = out_fence; |
| srf_update.mutex = &dev_priv->cmdbuf_mutex; |
| srf_update.cpu_blit = false; |
| srf_update.intr = true; |
| |
| if (vfbs->is_bo_proxy) |
| srf_update.post_prepare = vmw_stdu_surface_update_proxy; |
| |
| if (vfbs->surface->res.id != stdu->display_srf->res.id) { |
| srf_update.calc_fifo_size = vmw_stdu_surface_fifo_size; |
| srf_update.pre_clip = vmw_stdu_surface_populate_copy; |
| srf_update.clip = vmw_stdu_surface_populate_clip; |
| } else { |
| srf_update.calc_fifo_size = |
| vmw_stdu_surface_fifo_size_same_display; |
| } |
| |
| srf_update.post_clip = vmw_stdu_surface_populate_update; |
| |
| return vmw_du_helper_plane_update(&srf_update); |
| } |
| |
| /** |
| * vmw_stdu_primary_plane_atomic_update - formally switches STDU to new plane |
| * @plane: display plane |
| * @state: Only used to get crtc info |
| * |
| * Formally update stdu->display_srf to the new plane, and bind the new |
| * plane STDU. This function is called during the commit phase when |
| * all the preparation have been done and all the configurations have |
| * been checked. |
| */ |
| static void |
| vmw_stdu_primary_plane_atomic_update(struct drm_plane *plane, |
| struct drm_atomic_state *state) |
| { |
| struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane); |
| struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane); |
| struct vmw_plane_state *vps = vmw_plane_state_to_vps(new_state); |
| struct drm_crtc *crtc = new_state->crtc; |
| struct vmw_screen_target_display_unit *stdu; |
| struct drm_pending_vblank_event *event; |
| struct vmw_fence_obj *fence = NULL; |
| struct vmw_private *dev_priv; |
| int ret; |
| |
| /* If case of device error, maintain consistent atomic state */ |
| if (crtc && new_state->fb) { |
| struct vmw_framebuffer *vfb = |
| vmw_framebuffer_to_vfb(new_state->fb); |
| stdu = vmw_crtc_to_stdu(crtc); |
| dev_priv = vmw_priv(crtc->dev); |
| |
| stdu->display_srf = vps->surf; |
| stdu->content_fb_type = vps->content_fb_type; |
| stdu->cpp = vps->cpp; |
| |
| ret = vmw_stdu_bind_st(dev_priv, stdu, &stdu->display_srf->res); |
| if (ret) |
| DRM_ERROR("Failed to bind surface to STDU.\n"); |
| |
| if (vfb->bo) |
| ret = vmw_stdu_plane_update_bo(dev_priv, plane, |
| old_state, vfb, &fence); |
| else |
| ret = vmw_stdu_plane_update_surface(dev_priv, plane, |
| old_state, vfb, |
| &fence); |
| if (ret) |
| DRM_ERROR("Failed to update STDU.\n"); |
| } else { |
| crtc = old_state->crtc; |
| stdu = vmw_crtc_to_stdu(crtc); |
| dev_priv = vmw_priv(crtc->dev); |
| |
| /* Blank STDU when fb and crtc are NULL */ |
| if (!stdu->defined) |
| return; |
| |
| ret = vmw_stdu_bind_st(dev_priv, stdu, NULL); |
| if (ret) |
| DRM_ERROR("Failed to blank STDU\n"); |
| |
| ret = vmw_stdu_update_st(dev_priv, stdu); |
| if (ret) |
| DRM_ERROR("Failed to update STDU.\n"); |
| |
| return; |
| } |
| |
| /* In case of error, vblank event is send in vmw_du_crtc_atomic_flush */ |
| event = crtc->state->event; |
| if (event && fence) { |
| struct drm_file *file_priv = event->base.file_priv; |
| |
| ret = vmw_event_fence_action_queue(file_priv, |
| fence, |
| &event->base, |
| &event->event.vbl.tv_sec, |
| &event->event.vbl.tv_usec, |
| true); |
| if (ret) |
| DRM_ERROR("Failed to queue event on fence.\n"); |
| else |
| crtc->state->event = NULL; |
| } |
| |
| if (fence) |
| vmw_fence_obj_unreference(&fence); |
| } |
| |
| |
| static const struct drm_plane_funcs vmw_stdu_plane_funcs = { |
| .update_plane = drm_atomic_helper_update_plane, |
| .disable_plane = drm_atomic_helper_disable_plane, |
| .destroy = vmw_du_primary_plane_destroy, |
| .reset = vmw_du_plane_reset, |
| .atomic_duplicate_state = vmw_du_plane_duplicate_state, |
| .atomic_destroy_state = vmw_du_plane_destroy_state, |
| }; |
| |
| static const struct drm_plane_funcs vmw_stdu_cursor_funcs = { |
| .update_plane = drm_atomic_helper_update_plane, |
| .disable_plane = drm_atomic_helper_disable_plane, |
| .destroy = vmw_du_cursor_plane_destroy, |
| .reset = vmw_du_plane_reset, |
| .atomic_duplicate_state = vmw_du_plane_duplicate_state, |
| .atomic_destroy_state = vmw_du_plane_destroy_state, |
| }; |
| |
| |
| /* |
| * Atomic Helpers |
| */ |
| static const struct |
| drm_plane_helper_funcs vmw_stdu_cursor_plane_helper_funcs = { |
| .atomic_check = vmw_du_cursor_plane_atomic_check, |
| .atomic_update = vmw_du_cursor_plane_atomic_update, |
| .prepare_fb = vmw_du_cursor_plane_prepare_fb, |
| .cleanup_fb = vmw_du_cursor_plane_cleanup_fb, |
| }; |
| |
| static const struct |
| drm_plane_helper_funcs vmw_stdu_primary_plane_helper_funcs = { |
| .atomic_check = vmw_du_primary_plane_atomic_check, |
| .atomic_update = vmw_stdu_primary_plane_atomic_update, |
| .prepare_fb = vmw_stdu_primary_plane_prepare_fb, |
| .cleanup_fb = vmw_stdu_primary_plane_cleanup_fb, |
| }; |
| |
| static const struct drm_crtc_helper_funcs vmw_stdu_crtc_helper_funcs = { |
| .prepare = vmw_stdu_crtc_helper_prepare, |
| .mode_set_nofb = vmw_stdu_crtc_mode_set_nofb, |
| .atomic_check = vmw_du_crtc_atomic_check, |
| .atomic_begin = vmw_du_crtc_atomic_begin, |
| .atomic_flush = vmw_du_crtc_atomic_flush, |
| .atomic_enable = vmw_stdu_crtc_atomic_enable, |
| .atomic_disable = vmw_stdu_crtc_atomic_disable, |
| }; |
| |
| |
| /** |
| * vmw_stdu_init - Sets up a Screen Target Display Unit |
| * |
| * @dev_priv: VMW DRM device |
| * @unit: unit number range from 0 to VMWGFX_NUM_DISPLAY_UNITS |
| * |
| * This function is called once per CRTC, and allocates one Screen Target |
| * display unit to represent that CRTC. Since the SVGA device does not separate |
| * out encoder and connector, they are represented as part of the STDU as well. |
| */ |
| static int vmw_stdu_init(struct vmw_private *dev_priv, unsigned unit) |
| { |
| struct vmw_screen_target_display_unit *stdu; |
| struct drm_device *dev = &dev_priv->drm; |
| struct drm_connector *connector; |
| struct drm_encoder *encoder; |
| struct drm_plane *primary; |
| struct vmw_cursor_plane *cursor; |
| struct drm_crtc *crtc; |
| int ret; |
| |
| stdu = kzalloc(sizeof(*stdu), GFP_KERNEL); |
| if (!stdu) |
| return -ENOMEM; |
| |
| stdu->base.unit = unit; |
| crtc = &stdu->base.crtc; |
| encoder = &stdu->base.encoder; |
| connector = &stdu->base.connector; |
| primary = &stdu->base.primary; |
| cursor = &stdu->base.cursor; |
| |
| stdu->base.pref_active = (unit == 0); |
| stdu->base.pref_width = dev_priv->initial_width; |
| stdu->base.pref_height = dev_priv->initial_height; |
| stdu->base.is_implicit = false; |
| |
| /* Initialize primary plane */ |
| ret = drm_universal_plane_init(dev, primary, |
| 0, &vmw_stdu_plane_funcs, |
| vmw_primary_plane_formats, |
| ARRAY_SIZE(vmw_primary_plane_formats), |
| NULL, DRM_PLANE_TYPE_PRIMARY, NULL); |
| if (ret) { |
| DRM_ERROR("Failed to initialize primary plane"); |
| goto err_free; |
| } |
| |
| drm_plane_helper_add(primary, &vmw_stdu_primary_plane_helper_funcs); |
| drm_plane_enable_fb_damage_clips(primary); |
| |
| /* Initialize cursor plane */ |
| ret = drm_universal_plane_init(dev, &cursor->base, |
| 0, &vmw_stdu_cursor_funcs, |
| vmw_cursor_plane_formats, |
| ARRAY_SIZE(vmw_cursor_plane_formats), |
| NULL, DRM_PLANE_TYPE_CURSOR, NULL); |
| if (ret) { |
| DRM_ERROR("Failed to initialize cursor plane"); |
| drm_plane_cleanup(&stdu->base.primary); |
| goto err_free; |
| } |
| |
| drm_plane_helper_add(&cursor->base, &vmw_stdu_cursor_plane_helper_funcs); |
| |
| ret = drm_connector_init(dev, connector, &vmw_stdu_connector_funcs, |
| DRM_MODE_CONNECTOR_VIRTUAL); |
| if (ret) { |
| DRM_ERROR("Failed to initialize connector\n"); |
| goto err_free; |
| } |
| |
| drm_connector_helper_add(connector, &vmw_stdu_connector_helper_funcs); |
| connector->status = vmw_du_connector_detect(connector, false); |
| |
| ret = drm_encoder_init(dev, encoder, &vmw_stdu_encoder_funcs, |
| DRM_MODE_ENCODER_VIRTUAL, NULL); |
| if (ret) { |
| DRM_ERROR("Failed to initialize encoder\n"); |
| goto err_free_connector; |
| } |
| |
| (void) drm_connector_attach_encoder(connector, encoder); |
| encoder->possible_crtcs = (1 << unit); |
| encoder->possible_clones = 0; |
| |
| ret = drm_connector_register(connector); |
| if (ret) { |
| DRM_ERROR("Failed to register connector\n"); |
| goto err_free_encoder; |
| } |
| |
| ret = drm_crtc_init_with_planes(dev, crtc, primary, |
| &cursor->base, |
| &vmw_stdu_crtc_funcs, NULL); |
| if (ret) { |
| DRM_ERROR("Failed to initialize CRTC\n"); |
| goto err_free_unregister; |
| } |
| |
| drm_crtc_helper_add(crtc, &vmw_stdu_crtc_helper_funcs); |
| |
| drm_mode_crtc_set_gamma_size(crtc, 256); |
| |
| drm_object_attach_property(&connector->base, |
| dev_priv->hotplug_mode_update_property, 1); |
| drm_object_attach_property(&connector->base, |
| dev->mode_config.suggested_x_property, 0); |
| drm_object_attach_property(&connector->base, |
| dev->mode_config.suggested_y_property, 0); |
| return 0; |
| |
| err_free_unregister: |
| drm_connector_unregister(connector); |
| err_free_encoder: |
| drm_encoder_cleanup(encoder); |
| err_free_connector: |
| drm_connector_cleanup(connector); |
| err_free: |
| kfree(stdu); |
| return ret; |
| } |
| |
| |
| |
| /** |
| * vmw_stdu_destroy - Cleans up a vmw_screen_target_display_unit |
| * |
| * @stdu: Screen Target Display Unit to be destroyed |
| * |
| * Clean up after vmw_stdu_init |
| */ |
| static void vmw_stdu_destroy(struct vmw_screen_target_display_unit *stdu) |
| { |
| vmw_du_cleanup(&stdu->base); |
| kfree(stdu); |
| } |
| |
| |
| |
| /****************************************************************************** |
| * Screen Target Display KMS Functions |
| * |
| * These functions are called by the common KMS code in vmwgfx_kms.c |
| *****************************************************************************/ |
| |
| /** |
| * vmw_kms_stdu_init_display - Initializes a Screen Target based display |
| * |
| * @dev_priv: VMW DRM device |
| * |
| * This function initialize a Screen Target based display device. It checks |
| * the capability bits to make sure the underlying hardware can support |
| * screen targets, and then creates the maximum number of CRTCs, a.k.a Display |
| * Units, as supported by the display hardware. |
| * |
| * RETURNS: |
| * 0 on success, error code otherwise |
| */ |
| int vmw_kms_stdu_init_display(struct vmw_private *dev_priv) |
| { |
| struct drm_device *dev = &dev_priv->drm; |
| int i, ret; |
| |
| |
| /* Do nothing if there's no support for MOBs */ |
| if (!dev_priv->has_mob) |
| return -ENOSYS; |
| |
| if (!(dev_priv->capabilities & SVGA_CAP_GBOBJECTS)) |
| return -ENOSYS; |
| |
| ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS); |
| if (unlikely(ret != 0)) |
| return ret; |
| |
| dev_priv->active_display_unit = vmw_du_screen_target; |
| |
| for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i) { |
| ret = vmw_stdu_init(dev_priv, i); |
| |
| if (unlikely(ret != 0)) { |
| drm_err(&dev_priv->drm, |
| "Failed to initialize STDU %d", i); |
| return ret; |
| } |
| } |
| |
| drm_mode_config_reset(dev); |
| |
| return 0; |
| } |