[PATCH 0/2] Add writeback scaling
Ben Davis
Ben.Davis at arm.com
Wed Apr 10 11:11:05 UTC 2019
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
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