[PATCH] drm/amdgpu/dce6: Set MASTER_UPDATE_MODE to 0 in resume_mc_access as well

Deucher, Alexander Alexander.Deucher at amd.com
Tue Dec 6 14:31:24 UTC 2016


> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Michel Dänzer
> Sent: Tuesday, December 06, 2016 4:33 AM
> To: amd-gfx at lists.freedesktop.org
> Subject: [PATCH] drm/amdgpu/dce6: Set MASTER_UPDATE_MODE to 0 in
> resume_mc_access as well
> 
> From: Michel Dänzer <michel.daenzer at amd.com>
> 
> Looks like this was missed when dce_v6_0.c was added.
> 
> Fixes: e2cdf640cbb5 ("drm/amdgpu: add display controller implementation
> for si v10")
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
> b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
> index 03c8529a8e02..c81ae9c4e4b8 100644
> --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
> @@ -456,9 +456,8 @@ static void dce_v6_0_resume_mc_access(struct
> amdgpu_device *adev,
>  	for (i = 0; i < adev->mode_info.num_crtc; i++) {
>  		if (save->crtc_enabled[i]) {
>  			tmp =
> RREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i]);
> -			if ((tmp & 0x7) != 3) {
> +			if ((tmp & 0x7) != 0) {
>  				tmp &= ~0x7;
> -				tmp |= 0x3;
> 
> 	WREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i],
> tmp);
>  			}
>  			tmp = RREG32(EVERGREEN_GRPH_UPDATE +
> crtc_offsets[i]);
> --
> 2.11.0
> 
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