drm/komeda: Add writeback scaling support
authorjames qian wang (Arm Technology China) <james.qian.wang@arm.com>
Thu, 23 May 2019 11:10:15 +0000 (12:10 +0100)
committerLiviu Dudau <Liviu.Dudau@arm.com>
Wed, 19 Jun 2019 10:42:16 +0000 (11:42 +0100)
commitd92b66b875024f6b2ae90543039e2c030f084fbc
treeed3203a36c85e9812753fbaa70899805e84984d9
parent6d30cbfbcdd6d9a7cd6b01b1eeeab3246af4c204
drm/komeda: Add writeback scaling support

1. Add scaler to writeback pipeline to enable the writeback scaling support
2. Display HW can not do upscaling for writeback, check it when validate.

v2: Rebase

Signed-off-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h
drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c
drivers/gpu/drm/arm/display/komeda/komeda_plane.c
drivers/gpu/drm/arm/display/komeda/komeda_wb_connector.c