From e8c2d3e25b844ad8f7c8b269a7cfd65285329264 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 9 Nov 2023 15:40:00 -0500 Subject: drm/amdgpu/gmc9: disable AGP aperture MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 (v1) Acked-by: Christian König Reviewed-by: Mario Limonciello Tested-by: Mario Limonciello # PHX & Navi33 Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') 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 */ -- cgit v1.2.3