kernel/linux.git/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c, branch v6.6.25

drm/amdgpu: amdgpu_ttm_gart_bind set gtt bound flag

2024-04-03T13:28:37+00:00

[ Upstream commit 6c6064cbe58b43533e3451ad6a8ba9736c109ac3 ] Otherwise after the GTT bo is released, the GTT and gart space is freed but amdgpu_ttm_backend_unbind will not clear the gart page table entry and leave valid mapping entry pointing to the stale system page. Then if GPU access the gart address mistakely, it will read undefined value instead page fault, harder to debug and reproduce the real issue. Cc: stable@vger.kernel.org Signed-off-by: Philip Yang Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin

drm/amdgpu: fix ftrace event amdgpu_bo_move always move on same heap

2024-02-05T20:14:29+00:00

[ Upstream commit 94aeb4117343d072e3a35b9595bcbfc0058ee724 ] Issue: during evict or validate happened on amdgpu_bo, the 'from' and 'to' is always same in ftrace event of amdgpu_bo_move where calling the 'trace_amdgpu_bo_move', the comment says move_notify is called before move happens, but actually it is called after move happens, here the new_mem is same as bo->resource Fix: move trace_amdgpu_bo_move from move_notify to amdgpu_bo_move Signed-off-by: Wang, Beyond Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin

drm/amdgpu: Replace ternary operator with min() in 'amdgpu_iomem_write'

2023-08-15T22:08:30+00:00

Fixes the following coccicheck: drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2482:16-17: WARNING opportunity for min() min() macro is defined in include/linux/minmax.h. It avoids multiple evaluations of the arguments when non-constant and performs strict type-checking. Cc: Guchun Chen Cc: Christian König Cc: Alex Deucher Cc: "Pan, Xinhui" Signed-off-by: Srinivasan Shanmugam Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: Remove duplicated includes

2023-08-15T22:08:29+00:00

Remove duplicated includes in amdgpu_amdkfd_gpuvm.c and amdgpu_ttm.c. Resolves checkincludes message. Signed-off-by: GUO Zihua Signed-off-by: Alex Deucher

drm/amdgpu: Replace ternary operator with min() in 'amdgpu_iomem_read'

2023-08-15T22:08:28+00:00

Fixes the following coccicheck: drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2427:16-17: WARNING opportunity for min() min() macro is defined in include/linux/minmax.h. It avoids multiple evaluations of the arguments when non-constant and performs strict type-checking. Cc: Guchun Chen Cc: Christian König Cc: Alex Deucher Cc: "Pan, Xinhui" Signed-off-by: Srinivasan Shanmugam Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: create kernel doorbell pages

2023-08-07T21:14:06+00:00

This patch: - creates a doorbell page for graphics driver usages. - adds a few new varlables in adev->doorbell structure to keep track of kernel's doorbell-bo. - removes the adev->doorbell.ptr variable, replaces it with kernel-doorbell-bo's cpu address. V2: - Create doorbell BO directly, no wrappe functions (Alex) - no additional doorbell structure (Alex, Christian) - Use doorbell_cpu_ptr, remove ioremap (Christian, Alex) - Allocate one extra page of doorbells for MES (Alex) V4: Move MES doorbell base init into MES related patch (Christian) Cc: Alex Deucher Cc: Christian Koenig Reviewed-by: Christian König Signed-off-by: Shashank Sharma Signed-off-by: Alex Deucher

drm/amdgpu: initialize ttm for doorbells

2023-08-07T21:14:06+00:00

This patch initialzes the ttm resource manager for doorbells. V2: Do not round up doorbell size (Alex) Cc: Alex Deucher Cc: Christian Koenig Reviewed-by: Christian Koenig Signed-off-by: Shashank Sharma Signed-off-by: Alex Deucher

drm/amdgpu: accommodate DOMAIN/PL_DOORBELL

2023-08-07T21:14:06+00:00

This patch adds changes: - to accommodate the new GEM domain for DOORBELLs - to accommodate the new TTM PL for DOORBELLs in order to manage doorbell pages as GEM object. V2: Addressed reviwe comments from Christian - drop the doorbell changes for pinning/unpinning - drop the doorbell changes for dma-buf map - drop the doorbell changes for sgt - no need to handle TTM_PL_FLAG_CONTIGUOUS for doorbell - add caching type for doorbell V3: - Removed unrelated empty line (Christian) - Add PL_DOORBELL in mem_type_to_domain() as well (Alex) Cc: Alex Deucher Cc: Christian Koenig Reviewed-by: Christian Koenig Signed-off-by: Alex Deucher Signed-off-by: Shashank Sharma

drm/amdgpu: Rename DRM schedulers in amdgpu TTM

2023-06-15T14:42:33+00:00

Rename mman.entity to mman.high_pr to make the distinction clearer that this is a high priority scheduler. Similarly, rename the recently added mman.delayed to mman.low_pr to make it clear it is a low priority scheduler. No functional change in this patch. Signed-off-by: Mukul Joshi Reviewed-by: Christian König Signed-off-by: Alex Deucher

drm/amdgpu: bypass bios dependent operations

2023-06-09T15:02:12+00:00

Since bios reading does not work currently so just bypass all operations related to bios v2: hardcode the vram info for APP_APU case (hawking) v3: correct the vram_width with channel number * channel size (lijo) Signed-off-by: Shiwu Zhang Reviewed-by: Yang Wang Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher