[Intel-gfx] [PATCH 06/15] drm/i915: allow high-bpc modes on DP

Imre Deak imre.deak at intel.com
Mon Apr 29 12:16:11 CEST 2013


On Fri, 2013-04-19 at 11:24 +0200, Daniel Vetter wrote:
> Totally untested due to lack of screens supporting more than 8bpc. But
> now we should have closed all holes in our bpp handling, so this
> should be safe. The last missing piece was 10bpc support for g4x/vlv,
> since we directly use the pipe bpp to feed the display link (and
> anyway, only the cpt has any means to have a pipe bpp != the display
> link bpp).
> 
> Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>

Reviewed-by: Imre Deak <imre.deak at intel.com>

> ---
>  drivers/gpu/drm/i915/intel_dp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index 1ac7235..50a9d9f 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -744,7 +744,7 @@ 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 = min_t(int, 8*3, pipe_config->pipe_bpp);
> +	bpp = pipe_config->pipe_bpp;
>  
>  	/* eDP panels are really fickle, try to enfore the bpp the firmware
>  	 * recomments. This means we'll up-dither 16bpp framebuffers on





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