[Nouveau] [PATCH] nouveau: nv50: fix ->pseudo_palette usage

[Ben Skeggs]

On Sun, 2010-01-03 at 11:17 +0200, Alexey Dobriyan wrote:
> Sometimes struct fb_fillrect::color is color, sometimes palette index.
This doesn't apply on current git, which already has a similar (though,
not quite the same) patch applied.  We may yet need some additional
fixes from your patch, I'll look at testing that soon.

Ben.
> 
> Steps to reproduce:
> 
> 	make menuconfig
> 
> Blue background will have quite random black color.
> 
> Signed-off-by: Alexey Dobriyan <adobriyan at gmail.com>
> ---
> 
>  drivers/gpu/drm/nouveau/nv50_fbcon.c |    8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> --- a/drivers/gpu/drm/nouveau/nv50_fbcon.c
> +++ b/drivers/gpu/drm/nouveau/nv50_fbcon.c
> @@ -10,6 +10,7 @@ nv50_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
>  	struct drm_device *dev = par->dev;
>  	struct drm_nouveau_private *dev_priv = dev->dev_private;
>  	struct nouveau_channel *chan = dev_priv->channel;
> +	uint32_t color;
>  
>  	if (info->state != FBINFO_STATE_RUNNING)
>  		return;
> @@ -31,7 +32,12 @@ nv50_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
>  		OUT_RING(chan, 1);
>  	}
>  	BEGIN_RING(chan, NvSub2D, 0x0588, 1);
> -	OUT_RING(chan, rect->color);
> +	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
> +	    info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
> +		color = ((uint32_t *)info->pseudo_palette)[rect->color];
> +	} else
> +		color = rect->color;
> +	OUT_RING(chan, color);
>  	BEGIN_RING(chan, NvSub2D, 0x0600, 4);
>  	OUT_RING(chan, rect->dx);
>  	OUT_RING(chan, rect->dy);
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