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| author | Alex Deucher <alexander.deucher@amd.com> | 2023-11-09 15:38:54 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-11-17 00:58:34 -0500 |
| commit | 61fc93695bbfde218d5f9f0b8051ce36eb649669 (patch) | |
| tree | 3404f29f136d00bad61a6981d02fb7d3c0a5a573 | |
| parent | 0db062eac3e0846c6f120867a79df83b4c3db46f (diff) | |
| download | lwn-61fc93695bbfde218d5f9f0b8051ce36eb649669.tar.gz lwn-61fc93695bbfde218d5f9f0b8051ce36eb649669.zip | |
drm/amdgpu/gmc10: 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_v10_0.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 23483bffa1c7..a5a05c16c10d 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -675,7 +675,7 @@ static void gmc_v10_0_vram_gtt_location(struct amdgpu_device *adev, amdgpu_gmc_set_agp_default(adev, mc); amdgpu_gmc_vram_location(adev, &adev->gmc, 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 */ |