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authorZhigang Luo <zhigang.luo@amd.com>2021-06-02 09:49:34 -0400
committerAlex Deucher <alexander.deucher@amd.com>2021-06-08 12:15:01 -0400
commit488b83f4d514c1efa4c0edaa8a79c506a32ad11a (patch)
tree7590f7c56e32c0ab7db1d42d045797978767320e /drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c
parent95066fd5d27fc0d789e29a301d8a0f53f5bd5e32 (diff)
downloadlinux-488b83f4d514c1efa4c0edaa8a79c506a32ad11a.tar.bz2
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 <zhigang.luo@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-By : Shaoyun.liu <shaoyunl@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c17
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c
index 6264934b67ac..f80a14a1b82d 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);