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drm/amdgpu/gfx6: properly cache mc_arb_ramcfg

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This was missing for gfx6.

Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher
2017-06-02 16:30:46 -04:00
parent a7049de1e8
commit 6653ebd48f
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
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@@ -1475,7 +1475,8 @@ static void gfx_v6_0_gpu_init(struct amdgpu_device *adev)
WREG32(mmBIF_FB_EN, BIF_FB_EN__FB_READ_EN_MASK | BIF_FB_EN__FB_WRITE_EN_MASK);
mc_shared_chmap = RREG32(mmMC_SHARED_CHMAP);
mc_arb_ramcfg = RREG32(mmMC_ARB_RAMCFG);
adev->gfx.config.mc_arb_ramcfg = RREG32(mmMC_ARB_RAMCFG);
mc_arb_ramcfg = adev->gfx.config.mc_arb_ramcfg;
adev->gfx.config.num_tile_pipes = adev->gfx.config.max_tile_pipes;
adev->gfx.config.mem_max_burst_length_bytes = 256;