diff options
author | Michel Dänzer <mdaenzer@redhat.com> | 2024-05-08 15:19:16 +0200 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2024-05-10 19:05:13 +0200 |
commit | 8d2c930735f850e5be6860aeb39b27ac73ca192f (patch) | |
tree | ae443241f5894c5e31e49c392b092689016dd218 | |
parent | drm/amdkfd: don't allow mapping the MMIO HDP page with large pages (diff) | |
download | linux-8d2c930735f850e5be6860aeb39b27ac73ca192f.tar.xz linux-8d2c930735f850e5be6860aeb39b27ac73ca192f.zip |
drm/amdgpu: Fix comparison in amdgpu_res_cpu_visible
It incorrectly claimed a resource isn't CPU visible if it's located at
the very end of CPU visible VRAM.
Fixes: a6ff969fe9cb ("drm/amdgpu: fix visible VRAM handling during faults")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3343
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reported-and-Tested-by: Jeremy Day <jsday@noreason.ca>
Signed-off-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
CC: stable@vger.kernel.org
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 109fe557a02b..29c197c00018 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -427,7 +427,7 @@ bool amdgpu_res_cpu_visible(struct amdgpu_device *adev, amdgpu_res_first(res, 0, res->size, &cursor); while (cursor.remaining) { - if ((cursor.start + cursor.size) >= adev->gmc.visible_vram_size) + if ((cursor.start + cursor.size) > adev->gmc.visible_vram_size) return false; amdgpu_res_next(&cursor, cursor.size); } |