[PATCH 2/5] drm/amdgpu: remove sriov vf gfxhub fb location programming

[Liu, Shaoyun]

[AMD Official Use Only]

This looks will affect other ASIC , Can you double check that ? 

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Zhigang Luo
Sent: Thursday, June 3, 2021 10:13 AM
To: amd-gfx at lists.freedesktop.org
Cc: Luo, Zhigang <Zhigang.Luo at amd.com>
Subject: [PATCH 2/5] drm/amdgpu: remove sriov vf gfxhub fb location programming

host driver programmed the gfxhub fb location for vf, no need to program in guest side.

Signed-off-by: Zhigang Luo <zhigang.luo at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
index 063e48df0b2d..f51fd0688eca 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
@@ -320,18 +320,6 @@ 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);
--
2.17.1

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