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path: root/drivers/gpu/drm/radeon/r300.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r300.c')
-rw-r--r--drivers/gpu/drm/radeon/r300.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index cde1d3480d9..fae5e709f27 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -558,10 +558,7 @@ int rv370_get_pcie_lanes(struct radeon_device *rdev)
/* FIXME wait for idle */
- if (rdev->family < CHIP_R600)
- link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
- else
- link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
+ link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
case RADEON_PCIE_LC_LINK_WIDTH_X0:
@@ -745,6 +742,11 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
break;
case 0x4E00:
/* RB3D_CCTL */
+ if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
+ p->rdev->cmask_filp != p->filp) {
+ DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
+ return -EINVAL;
+ }
track->num_cb = ((idx_value >> 5) & 0x3) + 1;
break;
case 0x4E38:
@@ -787,6 +789,13 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
case 15:
track->cb[i].cpp = 2;
break;
+ case 5:
+ if (p->rdev->family < CHIP_RV515) {
+ DRM_ERROR("Invalid color buffer format (%d)!\n",
+ ((idx_value >> 21) & 0xF));
+ return -EINVAL;
+ }
+ /* Pass through. */
case 6:
track->cb[i].cpp = 4;
break;
@@ -1199,6 +1208,10 @@ static int r300_packet3_check(struct radeon_cs_parser *p,
if (p->rdev->hyperz_filp != p->filp)
return -EINVAL;
break;
+ case PACKET3_3D_CLEAR_CMASK:
+ if (p->rdev->cmask_filp != p->filp)
+ return -EINVAL;
+ break;
case PACKET3_NOP:
break;
default: