[PATCH 2/9] drm/imx: ipuv3-plane: disable local alpha for planes without alpha channel

2016-10-19 Thread Ying Liu
On Wed, Oct 19, 2016 at 12:07 AM, Philipp Zabel wrote: > Without this patch, after enabling the overlay plane with an RGBA > framebuffer, switching to a framebuffer without alpha channel would > cause the plane to vanish, since the pixel local alpha is constant > zero in that case. Disable local

[PATCH 2/9] drm/imx: ipuv3-plane: disable local alpha for planes without alpha channel

2016-10-18 Thread Philipp Zabel
Without this patch, after enabling the overlay plane with an RGBA framebuffer, switching to a framebuffer without alpha channel would cause the plane to vanish, since the pixel local alpha is constant zero in that case. Disable local alpha again when setting an opaque framebuffer. Signed-off-by: