[Intel-gfx] [PATCH 1/2] drm/i915/dp: don't mention eDP bpp clamping if it doesn't affect bpp

[Daniel Vetter]

On Wed, Oct 16, 2013 at 05:06:17PM +0300, Jani Nikula wrote:
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
> 
> ---
> 
> This is useful with the follow-up patch that frobs
> dev_priv->vbt.edp_bpp, and the value no longer comes directly from VBT.

Same as for Ben's patch: Such prep-patch justifications should imo be part
of the commit message. I've moved it.
-Daniel

> ---
>  drivers/gpu/drm/i915/intel_dp.c |    5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index e4fdedc..f63aa8c 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -822,10 +822,11 @@ intel_dp_compute_config(struct intel_encoder *encoder,
>  	/* Walk through all bpp values. Luckily they're all nicely spaced with 2
>  	 * bpc in between. */
>  	bpp = pipe_config->pipe_bpp;
> -	if (is_edp(intel_dp) && dev_priv->vbt.edp_bpp) {
> +	if (is_edp(intel_dp) && dev_priv->vbt.edp_bpp &&
> +	    dev_priv->vbt.edp_bpp < bpp) {
>  		DRM_DEBUG_KMS("clamping bpp for eDP panel to BIOS-provided %i\n",
>  			      dev_priv->vbt.edp_bpp);
> -		bpp = min_t(int, bpp, dev_priv->vbt.edp_bpp);
> +		bpp = dev_priv->vbt.edp_bpp;
>  	}
>  
>  	for (; bpp >= 6*3; bpp -= 2*3) {
> -- 
> 1.7.9.5
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch