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drm/amdgpu: remove sriov vf gfxhub fb location programming
authorZhigang Luo <zhigang.luo@amd.com>
Wed, 2 Jun 2021 13:43:49 +0000 (09:43 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 8 Jun 2021 16:14:55 +0000 (12:14 -0400)
host driver programmed the gfxhub 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>
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c

index a03fdd4..bda1542 100644 (file)
@@ -321,18 +321,6 @@ static void gfxhub_v1_0_program_invalidation(struct amdgpu_device *adev)
 
 static int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
 {
-       if (amdgpu_sriov_vf(adev) && adev->asic_type != CHIP_ARCTURUS) {
-               /*
-                * 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_RLC(GC, 0, mmMC_VM_FB_LOCATION_BASE,
-                            adev->gmc.vram_start >> 24);
-               WREG32_SOC15_RLC(GC, 0, mmMC_VM_FB_LOCATION_TOP,
-                            adev->gmc.vram_end >> 24);
-       }
-
        /* GART Enable. */
        gfxhub_v1_0_init_gart_aperture_regs(adev);
        gfxhub_v1_0_init_system_aperture_regs(adev);