6.12-stable review patch. If anyone has any objections, please let me know.
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From: Christian König christian.koenig@amd.com
commit 12f325bcd2411e571dbb500bf6862c812c479735 upstream.
When starting the mpv player, Radeon R9 users are observing the below error in dmesg.
[drm:amdgpu_uvd_cs_pass2 [amdgpu]] *ERROR* msg/fb buffer ff00f7c000-ff00f7e000 out of 256MB segment!
The patch tries to set the TTM_PL_FLAG_CONTIGUOUS for both user flag(AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS) set and not set cases.
v2: Make the TTM_PL_FLAG_CONTIGUOUS mandatory for user BO's. v3: revert back to v1, but fix the check instead (chk).
Closes:https://gitlab.freedesktop.org/drm/amd/-/issues/3599 Closes:https://gitlab.freedesktop.org/drm/amd/-/issues/3501 Signed-off-by: Arunpravin Paneer Selvam Arunpravin.PaneerSelvam@amd.com Signed-off-by: Christian König christian.koenig@amd.com Reviewed-by: Arunpravin Paneer Selvam Arunpravin.PaneerSelvam@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org # 6.10+ Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 17 +++++++++++------ drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 2 ++ 2 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index d891ab779ca7..5df21529b3b1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -1801,13 +1801,18 @@ int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser, if (dma_resv_locking_ctx((*bo)->tbo.base.resv) != &parser->exec.ticket) return -EINVAL;
+ /* Make sure VRAM is allocated contigiously */ (*bo)->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS; - amdgpu_bo_placement_from_domain(*bo, (*bo)->allowed_domains); - for (i = 0; i < (*bo)->placement.num_placement; i++) - (*bo)->placements[i].flags |= TTM_PL_FLAG_CONTIGUOUS; - r = ttm_bo_validate(&(*bo)->tbo, &(*bo)->placement, &ctx); - if (r) - return r; + if ((*bo)->tbo.resource->mem_type == TTM_PL_VRAM && + !((*bo)->tbo.resource->placement & TTM_PL_FLAG_CONTIGUOUS)) { + + amdgpu_bo_placement_from_domain(*bo, (*bo)->allowed_domains); + for (i = 0; i < (*bo)->placement.num_placement; i++) + (*bo)->placements[i].flags |= TTM_PL_FLAG_CONTIGUOUS; + r = ttm_bo_validate(&(*bo)->tbo, &(*bo)->placement, &ctx); + if (r) + return r; + }
return amdgpu_ttm_alloc_gart(&(*bo)->tbo); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index 31fd30dcd593..65bb26215e86 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -551,6 +551,8 @@ static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo) for (i = 0; i < abo->placement.num_placement; ++i) { abo->placements[i].fpfn = 0 >> PAGE_SHIFT; abo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT; + if (abo->placements[i].mem_type == TTM_PL_VRAM) + abo->placements[i].flags |= TTM_PL_FLAG_CONTIGUOUS; } }