From: Michel Dänzer Date: Wed, 8 May 2024 13:19:16 +0000 (+0200) Subject: drm/amdgpu: Fix comparison in amdgpu_res_cpu_visible X-Git-Tag: v6.9~5^2~2^2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8d2c930735f850e5be6860aeb39b27ac73ca192f;p=thirdparty%2Fkernel%2Flinux.git 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 Reviewed-by: Alex Deucher Reported-and-Tested-by: Jeremy Day Signed-off-by: Michel Dänzer Signed-off-by: Alex Deucher CC: stable@vger.kernel.org --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 109fe557a02bc..29c197c000187 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); }