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| author | Christian König <christian.koenig@amd.com> | 2014-08-26 14:45:54 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-08-26 18:20:38 +0200 |
| commit | 054e01d681b457ab50bdf1f22c0f0d1ad03afd70 (patch) | |
| tree | bc43a50fe294caff637d3aef90dc4872904cb0dd /drivers/gpu/drm/radeon/ni.c | |
| parent | MAINTAINERS: Add entry for Renesas DRM drivers (diff) | |
| download | linux-054e01d681b457ab50bdf1f22c0f0d1ad03afd70.tar.xz linux-054e01d681b457ab50bdf1f22c0f0d1ad03afd70.zip | |
drm/radeon: save/restore the PD addr on suspend/resume
This fixes a problem with GPU resets and TLB flushes on SI/CIK.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/ni.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index ba89375f197f..3faee58946dd 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1271,7 +1271,7 @@ static int cayman_pcie_gart_enable(struct radeon_device *rdev) WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0); WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn); WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2), - rdev->gart.table_addr >> 12); + rdev->vm_manager.saved_table_addr[i]); } /* enable context1-7 */ @@ -1303,6 +1303,13 @@ static int cayman_pcie_gart_enable(struct radeon_device *rdev) static void cayman_pcie_gart_disable(struct radeon_device *rdev) { + unsigned i; + + for (i = 1; i < 8; ++i) { + rdev->vm_manager.saved_table_addr[i] = RREG32( + VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2)); + } + /* Disable all tables */ WREG32(VM_CONTEXT0_CNTL, 0); WREG32(VM_CONTEXT1_CNTL, 0); |