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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: a6ff969fe9 ("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
This commit is contained in:
Michel Dänzer 2024-05-08 15:19:16 +02:00 committed by Alex Deucher
parent be4a2a81b6
commit 8d2c930735
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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@ -427,7 +427,7 @@ bool amdgpu_res_cpu_visible(struct amdgpu_device *adev,
amdgpu_res_first(res, 0, res->size, &cursor); amdgpu_res_first(res, 0, res->size, &cursor);
while (cursor.remaining) { 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; return false;
amdgpu_res_next(&cursor, cursor.size); amdgpu_res_next(&cursor, cursor.size);
} }