On 08/09/16 17:44, Laurent Pinchart wrote:
> The driver needs the number of bytes per pixel, not the bpp and depth
> info meant for fbdev compatibility. Use the right API.
> 
> In the tilcdc_crtc_mode_set() function compute the hardware register
> value directly from the pixel format instead of computing the number of
> bits per pixels first.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
> ---
> Changes since v3:
> 
> - Removed DRM_FORMAT_ARGB8888 support
> - Fixed coding style
> - Renamed min_pitch to pitch
> ---
>  drivers/gpu/drm/tilcdc/tilcdc_crtc.c  | 15 +++++----------
>  drivers/gpu/drm/tilcdc/tilcdc_plane.c |  7 ++++---
>  2 files changed, 9 insertions(+), 13 deletions(-)
> 
> Cc: Jyri Sarha <jsarha@ti.com>
> 
> diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> index 25d6b220ee8a..a64718630cdb 100644
> --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
> @@ -67,15 +67,13 @@ static void set_scanout(struct drm_crtc *crtc, struct drm_framebuffer *fb)
>  	struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);
>  	struct drm_device *dev = crtc->dev;
>  	struct drm_gem_cma_object *gem;
> -	unsigned int depth, bpp;
>  	dma_addr_t start, end;
>  
> -	drm_fb_get_bpp_depth(fb->pixel_format, &depth, &bpp);
>  	gem = drm_fb_cma_get_gem_obj(fb, 0);
>  
>  	start = gem->paddr + fb->offsets[0] +
>  		crtc->y * fb->pitches[0] +
> -		crtc->x * bpp / 8;
> +		crtc->x * drm_format_plane_cpp(fb->pixel_format, 0);
>  
>  	end = start + (crtc->mode.vdisplay * fb->pitches[0]);
>  
> @@ -404,16 +402,13 @@ static void tilcdc_crtc_mode_set_nofb(struct drm_crtc *crtc)
>  	if (info->tft_alt_mode)
>  		reg |= LCDC_TFT_ALT_ENABLE;
>  	if (priv->rev == 2) {
> -		unsigned int depth, bpp;
> -
> -		drm_fb_get_bpp_depth(fb->pixel_format, &depth, &bpp);
> -		switch (bpp) {
> -		case 16:
> +		switch (fb->pixel_format) {
> +		case DRM_FORMAT_RGB565:
>  			break;
> -		case 32:
> +		case DRM_FORMAT_XRGB8888:
>  			reg |= LCDC_V2_TFT_24BPP_UNPACK;
>  			/* fallthrough */
> -		case 24:
> +		case DRM_FORMAT_RGB888:
>  			reg |= LCDC_V2_TFT_24BPP_MODE;
>  			break;

Jyri, with your latest tilcdc changes, we need also BGR565, XBGR8888 and
BGR888 here, don't we?

 Tomi