[PATCH] drm/amdgpu: add more cases to DCE11 possible crtc mask setup

[Christian König]

Am 10.02.2017 um 06:02 schrieb Alex Deucher:
> Add cases for asics with 3 and 5 crtcs.  Fixes an artificial
> limitation on asics with 3 or 5 crtcs.
>
> Fixes:
> https://bugs.freedesktop.org/show_bug.cgi?id=99744
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> Cc: stable at vger.kernel.org

Reviewed-by: Christian König <christian.koenig at amd.com>.

> ---
>   drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 6 ++++++
>   1 file changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
> index 1cf1d9d..5b24e89 100644
> --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
> @@ -3737,9 +3737,15 @@ static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
>   	default:
>   		encoder->possible_crtcs = 0x3;
>   		break;
> +	case 3:
> +		encoder->possible_crtcs = 0x7;
> +		break;
>   	case 4:
>   		encoder->possible_crtcs = 0xf;
>   		break;
> +	case 5:
> +		encoder->possible_crtcs = 0x1f;
> +		break;
>   	case 6:
>   		encoder->possible_crtcs = 0x3f;
>   		break;