summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/r600.c
diff options
context:
space:
mode:
authorChristian König <christian.koenig@amd.com>2015-05-28 15:51:59 +0200
committerAlex Deucher <alexander.deucher@amd.com>2015-05-28 09:54:43 -0400
commit7c0411d2fabc2e2702c9871ffb603e251158b317 (patch)
tree893575c1ff8b6d0ec42f01404337c04e9044aa0f /drivers/gpu/drm/radeon/r600.c
parent97758ff7c8f93ea0ed43eb7aef6c942f667372a0 (diff)
downloadlinux-7c0411d2fabc2e2702c9871ffb603e251158b317.tar.bz2
drm/radeon: partially revert "fix VM_CONTEXT*_PAGE_TABLE_END_ADDR handling"
We have that bug for years and some users report side effects when fixing it on older hardware. So revert it for VM_CONTEXT0_PAGE_TABLE_END_ADDR, but keep it for VM 1-15. Signed-off-by: Christian König <christian.koenig@amd.com> CC: stable@vger.kernel.org Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
-rw-r--r--drivers/gpu/drm/radeon/r600.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 25b4ac967742..8f6d862a1882 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1112,7 +1112,7 @@ static int r600_pcie_gart_enable(struct radeon_device *rdev)
WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
- WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, (rdev->mc.gtt_end >> 12) - 1);
+ WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);