Hi,
This adds some more pixel formats and gives the user the ability to choose the xrgb8888 emulation format.
Pixel formats: R8: For greyscale e-ink displays RGB332: For e-ink displays and some niche displays RGB888: Same color depth as XRGB8888 but the smaller buffer gives better fps
Changes since first version: - RGB332: Support Big Endian in the emulation (Daniel)
Noralf.
Noralf Trønnes (7): drm/fourcc: Add R8 to drm_format_info drm/format-helper: Add drm_fb_xrgb8888_to_rgb332() drm/format-helper: Add drm_fb_xrgb8888_to_rgb888() drm/gud: Add GUD_PIXEL_FORMAT_R8 drm/gud: Add GUD_PIXEL_FORMAT_RGB332 drm/gud: Add GUD_PIXEL_FORMAT_RGB888 drm/gud: Add module parameter to control emulation: xrgb8888
drivers/gpu/drm/drm_format_helper.c | 88 +++++++++++++++++++++++++++++ drivers/gpu/drm/drm_fourcc.c | 1 + drivers/gpu/drm/gud/gud_drv.c | 19 ++++++- drivers/gpu/drm/gud/gud_internal.h | 12 ++++ drivers/gpu/drm/gud/gud_pipe.c | 6 ++ include/drm/drm_format_helper.h | 4 ++ include/drm/gud.h | 6 +- 7 files changed, 131 insertions(+), 5 deletions(-)