radeon: fix PCI bus mastering support enables.
Someone noticed these registers moved around for later chips,
so we redo the codepaths per-chip. PCIE chips don't appear to
require explicit enables.
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index a83d761..59a2132 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -363,6 +363,7 @@
R300_cp_microcode[i][0]);
}
} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R420) ||
+ ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R423) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV410)) {
DRM_INFO("Loading R400 Microcode\n");
for (i = 0; i < 256; i++) {
@@ -652,8 +653,18 @@
RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7);
/* Turn on bus mastering */
- tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
- RADEON_WRITE(RADEON_BUS_CNTL, tmp);
+ if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS400) ||
+ ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
+ ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) {
+ /* rs400, rs690/rs740 */
+ tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RS400_BUS_MASTER_DIS;
+ RADEON_WRITE(RADEON_BUS_CNTL, tmp);
+ } else if (!(((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV380) ||
+ ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R423))) {
+ /* r1xx, r2xx, r300, r(v)350, r420/r481, rs480 */
+ tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
+ RADEON_WRITE(RADEON_BUS_CNTL, tmp);
+ } /* PCIE cards appears to not need this */
dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0;
RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame);
@@ -1719,6 +1730,7 @@
case CHIP_R300:
case CHIP_R350:
case CHIP_R420:
+ case CHIP_R423:
case CHIP_RV410:
case CHIP_RV515:
case CHIP_R520:
