Use DMA engine for fullscreen updates and bypass mode for partial
updates. This gives major boost on rk27generic:
default ARM:AHB:APB 200💯50
HEAD 1/1: 26.3fps 1/4: 105.0fps
patched 1/1: 116.5fps 1/4: 249.5fps
with freq scalling NORMAL mode ARM:AHB:APB 50:50:50
HEAD 1/1: 13.1fps 1/4: 52.5fps
patched 1/1: 54.5fps 1/4: 119.0fps
Tested on rk27generic noname DAP and on Hifimans.
Change-Id: Id9dd4d2d61542c7ea6b5c6336b170d6357cefde9
iomux_lcd now has parameter for display bit mode settings, so we doesn't need ifdef here.
lcd_init_device moved to target specific code
lcdif_init configure pins and lcd cotroller
Change-Id: I3a2d7fd38b08fe3bc5ebefa8c9f7288c21f58212
Reviewed-on: http://gerrit.rockbox.org/153
Reviewed-by: Marcin Bukat <marcin.bukat@gmail.com>
Tested-by: Marcin Bukat <marcin.bukat@gmail.com>
Change all lcd drivers to using a pointer to the static framebuffer
instead of directly accessing the static array. This will let us
later do fun things like dynamic framebuffer sizes (RaaA) or
ability to use different buffers for different layers (dynamic
skin backdrops!)
Change-Id: I0a4d58a9d7b55e6c932131b929e5d4c9f9414b06
