[Intel-gfx] [PATCH 2/5] drm/i915: Fix CRC support for DP port D on CHV

[Daniel Vetter]

On Tue, Dec 09, 2014 at 09:28:29PM +0200, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Add the missing CRC control register value for DP port D on CHV.
> Untested as I don't have a CHV machine with DP on port D.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/i915_debugfs.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index d74b62d..5620b8f 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -3100,6 +3100,10 @@ static int vlv_pipe_crc_ctl_reg(struct drm_device *dev,
>  		*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_C_VLV;
>  		need_stable_symbols = true;
>  		break;
> +	case INTEL_PIPE_CRC_SOURCE_DP_D:

We need to keep rejecting DP D on vlv. I've added a check for that while
merging this patch.
-Daniel

> +		*val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_DP_D_VLV;
> +		need_stable_symbols = true;
> +		break;
>  	case INTEL_PIPE_CRC_SOURCE_NONE:
>  		*val = 0;
>  		break;
> -- 
> 2.0.4
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch