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    Subject[PATCH 4.11 43/88] drm/amdgpu/gfx6: properly cache mc_arb_ramcfg
    Date
    4.11-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Alex Deucher <alexander.deucher@amd.com>

    commit 6653ebd48f493efe3f3598ff3fe7b3d5451665df upstream.

    This was missing for gfx6.

    Acked-by: Huang Rui <ray.huang@amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    --- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
    +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
    @@ -1685,7 +1685,8 @@ static void gfx_v6_0_gpu_init(struct amd
    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;

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