From 8d2c930735f850e5be6860aeb39b27ac73ca192f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Michel=20D=C3=A4nzer?= Date: Wed, 8 May 2024 15:19:16 +0200 Subject: [PATCH] drm/amdgpu: Fix comparison in amdgpu_res_cpu_visible MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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); }