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authorAlex Deucher <alexander.deucher@amd.com>2023-11-09 23:40:00 +0300
committerAlex Deucher <alexander.deucher@amd.com>2023-11-17 08:58:41 +0300
commite8c2d3e25b844ad8f7c8b269a7cfd65285329264 (patch)
tree42e3f50ce343f7e79bd767b7f1f8492f447cba1c
parent61fc93695bbfde218d5f9f0b8051ce36eb649669 (diff)
downloadlinux-e8c2d3e25b844ad8f7c8b269a7cfd65285329264.tar.xz
drm/amdgpu/gmc9: disable AGP aperture
We've had misc reports of random IOMMU page faults when this is used. It's just a rarely used optimization anyway, so let's just disable it. It can still be toggled via the module parameter for testing. v2: leave it configurable via module parameter Reviewed-by: Yang Wang <kevinyang.wang@amd.com> (v1) Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Tested-by: Mario Limonciello <mario.limonciello@amd.com> # PHX & Navi33 Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 1638c3177799..2ac5820e9c92 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1630,7 +1630,7 @@ static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev,
} else {
amdgpu_gmc_vram_location(adev, mc, base);
amdgpu_gmc_gart_location(adev, mc, AMDGPU_GART_PLACEMENT_BEST_FIT);
- if (!amdgpu_sriov_vf(adev) && (amdgpu_agp != 0))
+ if (!amdgpu_sriov_vf(adev) && (amdgpu_agp == 1))
amdgpu_gmc_agp_location(adev, mc);
}
/* base offset of vram pages */