[PATCH 05/10] drm/amdgpu: drop mmRLC_PG_CNTL clear

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On Thu, Jul 5, 2018 at 5:09 AM, Evan Quan <evan.quan at amd.com> wrote:
> This may break gfxoff support since this register will
> be set by smc fw(for vega12, that's the case).
>

It took me a second to understand what you meant here.  Might be
worthwhile to clarify with something like:
SMU owns this register so the driver should not set it to avoid breaking gfxoff.

With that fixed up:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

Alex

> Change-Id: Id3108c63634a2f941289021bfbd78588c0f6c4d6
> Signed-off-by: Evan Quan <evan.quan at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> index 8d870d4f8414..3a75641a071d 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
> @@ -2290,9 +2290,6 @@ static int gfx_v9_0_rlc_resume(struct amdgpu_device *adev)
>         /* disable CG */
>         WREG32_SOC15(GC, 0, mmRLC_CGCG_CGLS_CTRL, 0);
>
> -       /* disable PG */
> -       WREG32_SOC15(GC, 0, mmRLC_PG_CNTL, 0);
> -
>         gfx_v9_0_rlc_reset(adev);
>
>         gfx_v9_0_init_pg(adev);
> --
> 2.18.0
>
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> amd-gfx at lists.freedesktop.org
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