From fc4a85c6b2cc1b0f4e682180165a4e629711701f Mon Sep 17 00:00:00 2001 From: Arunpravin Paneer Selvam Date: Mon, 10 Feb 2025 22:17:28 +0530 Subject: [PATCH 3114/5403] drm/amdgpu: Modify the seq64 VM cache policy MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The seq64 VM cache policy should be set to UC (Uncached) to match with userqueue fence address kernel mapped memory's cache settings. Signed-off-by: Arunpravin Paneer Selvam Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c index 2de1a844282e..3939761be31c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_seq64.c @@ -67,9 +67,9 @@ static inline u64 amdgpu_seq64_get_va_base(struct amdgpu_device *adev) int amdgpu_seq64_map(struct amdgpu_device *adev, struct amdgpu_vm *vm, struct amdgpu_bo_va **bo_va) { + u64 seq64_addr, va_flags; struct amdgpu_bo *bo; struct drm_exec exec; - u64 seq64_addr; int r; bo = adev->seq64.sbo; @@ -93,8 +93,10 @@ int amdgpu_seq64_map(struct amdgpu_device *adev, struct amdgpu_vm *vm, } seq64_addr = amdgpu_seq64_get_va_base(adev) & AMDGPU_GMC_HOLE_MASK; + + va_flags = amdgpu_gem_va_map_flags(adev, AMDGPU_VM_PAGE_READABLE | AMDGPU_VM_MTYPE_UC); r = amdgpu_vm_bo_map(adev, *bo_va, seq64_addr, 0, AMDGPU_VA_RESERVED_SEQ64_SIZE, - AMDGPU_PTE_READABLE); + va_flags); if (r) { DRM_ERROR("failed to do bo_map on userq sem, err=%d\n", r); amdgpu_vm_bo_del(adev, *bo_va); -- 2.54.0