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@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reported-and-Tested-by: Jeremy Day <jsday@xxxxxxxxxxx>
Signed-off-by: Michel Dänzer <mdaenzer@xxxxxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
CC: stable@xxxxxxxxxxxxxxx
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 80974d72cbc1..0364a7bb5893 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -432,7 +432,7 @@ 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);
}
