From: Zhigang Luo Date: Wed, 2 Jun 2021 13:49:34 +0000 (-0400) Subject: drm/amdgpu: remove sriov vf mmhub system aperture and fb location programming X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=488b83f4d514c1efa4c0edaa8a79c506a32ad11a;p=kernel.git drm/amdgpu: remove sriov vf mmhub system aperture and fb location programming host driver programmed mmhub system aperture and fb location for vf, no need to program in guest side. Signed-off-by: Zhigang Luo Reviewed-by: Hawking Zhang Reviewed-By : Shaoyun.liu Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c index 6264934b67ac0..f80a14a1b82dc 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c @@ -111,6 +111,9 @@ static void mmhub_v1_7_init_system_aperture_regs(struct amdgpu_device *adev) WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); + if (amdgpu_sriov_vf(adev)) + return; + /* Program the system aperture low logical page number. */ WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_LOW_ADDR, min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18); @@ -129,8 +132,6 @@ static void mmhub_v1_7_init_system_aperture_regs(struct amdgpu_device *adev) WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF); WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0); } - if (amdgpu_sriov_vf(adev)) - return; /* Set default page address. */ value = amdgpu_gmc_vram_mc2pa(adev, adev->vram_scratch.gpu_addr); @@ -332,18 +333,6 @@ static void mmhub_v1_7_program_invalidation(struct amdgpu_device *adev) static int mmhub_v1_7_gart_enable(struct amdgpu_device *adev) { - if (amdgpu_sriov_vf(adev)) { - /* - * MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are - * VF copy registers so vbios post doesn't program them, for - * SRIOV driver need to program them - */ - WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_BASE, - adev->gmc.vram_start >> 24); - WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_TOP, - adev->gmc.vram_end >> 24); - } - /* GART Enable. */ mmhub_v1_7_init_gart_aperture_regs(adev); mmhub_v1_7_init_system_aperture_regs(adev);