Add support for scaling on writeback. To do this add writeback_w and writeback_h as writeback connector properties to specify the desired output dimensions. Then implement downscaling on writeback for Malidp-550 and Malidp-650 (upscaling on writeback is not supported on these devices).
Ben Davis (2): drm: Add writeback_w,h properties drm/malidp: Enable writeback scaling drivers/gpu/drm/arm/malidp_crtc.c | 49 ++++++++++++---------- drivers/gpu/drm/arm/malidp_crtc.h | 12 ++++++ drivers/gpu/drm/arm/malidp_drv.c | 10 +++-- drivers/gpu/drm/arm/malidp_hw.c | 45 ++++++++++++++------ drivers/gpu/drm/arm/malidp_hw.h | 19 +++++++-- drivers/gpu/drm/arm/malidp_mw.c | 86 ++++++++++++++++++++++++++++++--------- drivers/gpu/drm/arm/malidp_regs.h | 1 + drivers/gpu/drm/drm_atomic_uapi.c | 8 ++++ drivers/gpu/drm/drm_writeback.c | 28 +++++++++++++ include/drm/drm_connector.h | 4 ++ include/drm/drm_mode_config.h | 10 +++++ 11 files changed, 211 insertions(+), 61 deletions(-) create mode 100644 drivers/gpu/drm/arm/malidp_crtc.h -- 2.7.4 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel