Commit 8d2c9307 authored by Michel Dänzer's avatar Michel Dänzer Committed by Alex Deucher
Browse files

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: a6ff969f ("drm/amdgpu: fix visible VRAM handling during faults")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3343


Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reported-and-Tested-by: default avatarJeremy Day <jsday@noreason.ca>
Signed-off-by: default avatarMichel Dänzer <mdaenzer@redhat.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
CC: stable@vger.kernel.org
parent be4a2a81

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

+1 −1
Original line number Diff line number Diff line
@@ -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);

	}