[RFC PATCH v2 2/2] drm/tegra: plane: Implement generic colorkey property for older Tegra's

2018-05-26 Thread Dmitry Osipenko
Color keying allows to draw on top of overlapping planes, like for example on top of a video plane. Older Tegra's have a limited color keying capability, such that blending features are reduced when color keying is enabled. In particular dependent weighting isn't possible, meaning that cursors

[RFC PATCH v2 2/2] drm/tegra: plane: Implement generic colorkey property for older Tegra's

2018-05-26 Thread Dmitry Osipenko
Color keying allows to draw on top of overlapping planes, like for example on top of a video plane. Older Tegra's have a limited color keying capability, such that blending features are reduced when color keying is enabled. In particular dependent weighting isn't possible, meaning that cursors