[PATCH] drm/imx: ipuv3-plane: Fix overlay plane width

[Philipp Zabel]

On Fr, 2022-12-02 at 16:43 +0100, Lucas Stach wrote:
> Am Dienstag, dem 08.11.2022 um 15:14 +0100 schrieb Philipp Zabel:
> > ipu_src_rect_width() was introduced to support odd screen resolutions
> > such as 1366x768 by internally rounding up primary plane width to a
> > multiple of 8 and compensating with reduced horizontal blanking.
> > This also caused overlay plane width to be rounded up, which was not
> > intended. Fix overlay plane width by limiting the rounding up to the
> > primary plane.
> > 
> > drm_rect_width(&new_state->src) >> 16 is the same value as
> > drm_rect_width(dst) because there is no plane scaling support.
> 
> Heh, I stumbled at exactly this point while reading the code changes
> and was about to suggest it be added to the changelog until I realized
> that it's already here. :)
> > 
> > Fixes: 94dfec48fca7 ("drm/imx: Add 8 pixel alignment fix")
> > Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>
> 
> Reviewed-by: Lucas Stach <l.stach at pengutronix.de>

Thank you, applied to drm-misc-next.

[...]
> There's a opportunity for a follow-up cleanup here:
> "drm_rect_height(&new_state->src) >> 16" is used multiple times in this
> function, which could be replaced by using this local height variable
> instead.

Will create a follow-up patch.

regards
Philipp