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@xxxxxxxxxxxxxxxx>
> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
> ---
> 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@xxxxxx>
>
> 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
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