8c322309e4
[Why] PSR (Panel Self-Refresh) is a power-saving feature for eDP panels. The feature has support in DMCU (Display MicroController Unit). DMCU/driver communication is implemented in DC. DM can use existing DC PSR interface to use PSR feature. [How] - Read psr caps via dpcd - Send vsc infoframe if panel supports psr - Disable psr before h/w programming (FULL_UPDATE) - Enable psr after h/w programming - Disable psr for fb console Signed-off-by: Roman Li <Roman.Li@amd.com> Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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| Makefile | ||