On Fri, Jul 10, 2015 at 07:17:40PM +0800, Jianwei Wang wrote: > This patch add support for Two Dimensional Animation and Compositing > Engine (2D-ACE) on the Freescale SoCs. > > 2D-ACE is a Freescale display controller. 2D-ACE describes > the functionality of the module extremely well its name is a value > that cannot be used as a token in programming languages. > Instead the valid token "DCU" is used to tag the register names and > function names. > > The Display Controller Unit (DCU) module is a system master that > fetches graphics stored in internal or external memory and displays > them on a TFT LCD panel. A wide range of panel sizes is supported > and the timing of the interface signals is highly configurable. > Graphics are read directly from memory and then blended in real-time, > which allows for dynamic content creation with minimal CPU > intervention. > > The features: > (1) Full RGB888 output to TFT LCD panel. > (2) For the current LCD panel, WQVGA "480x272" is supported. > (3) Blending of each pixel using up to 4 source layers > dependent on size of panel. > (4) Each graphic layer can be placed with one pixel resolution > in either axis. > (5) Each graphic layer support RGB565 and RGB888 direct colors > without alpha > channel and BGRA8888 BGRA4444 ARGB1555 direct colors with an > alpha channel and > YUV422 format. > (6) Each graphic layer support alpha blending with 8-bit > resolution. > > This is a simplified version, only one primary plane, one > framebuffer created for > fbdev, one crtc, one connector for TFT LCD panel, an encoder. > > Signed-off-by: Alison Wang <b18965@xxxxxxxxxxxxx> > Signed-off-by: Xiubo Li <lixiubo@xxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Jianwei Wang <jianwei.wang@xxxxxxxxxxxxx> Can't find any other use of deprecated functions or legacy code patterns or anything else that we've recently started cleaning up, looks good. No detailed review though (for one I lack hw docs). Acked-by: Daniel Vetter <daniel.vetter@xxxxxxxx> Might be good to get some cross-review from some other arm soc drm driver team, then send a pull request to Dave for 4.3. Cheers, Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
