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path: root/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_pg_cntl.c
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2023-11-30drm/amd/display: Fix black screen on video playback with embedded panelSung Joon Kim1-0/+10
[why] We have dynamic power control in driver but should be ignored when power is forced on. [how] Bypass any power control when it's forced on. Cc: stable@vger.kernel.org Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com> Signed-off-by: Sung Joon Kim <sungkim@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-11-17drm/amd/display: Enable DCN clock gating for DCN35Daniel Miess1-9/+1
[WHY & HOW] Enable DCN clock gating for DCN35. Disable DTBCLK gate before link training and re-enable afterwards Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Acked-by: Alex Hung <alex.hung@amd.com> Signed-off-by: Daniel Miess <daniel.miess@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-11-07drm/amd/display: On boot disable domain22 force power onDaniel Miess1-1/+9
[Why] HDCP2 enablement fails when domain22 is set to force power on [How] Disable force power on for domain22 on startup Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Acked-by: Hersen Wu <hersenxs.wu@amd.com> Signed-off-by: Daniel Miess <daniel.miess@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-27drm/amd/display: Fix copyright notice in DC codeStylon Wang1-0/+2
[Why & How] Fix incomplete copyright notice in DC code. Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Stylon Wang <stylon.wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-10-09drm/amd/display: Modify SMU message logsSung Joon Kim1-0/+1
[why] It's important to make sure SMU messages are logged by default to improve debugging for power optimization use cases. [how] Change logs to warnings when SMU message returns non-success id. Reviewed-by: Charlene Liu <charlene.liu@amd.com> Acked-by: Tom Chung <chiahsuan.chung@amd.com> Signed-off-by: Sung Joon Kim <sungkim@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-09-20drm/amd/display: Add IPS control flagSung Joon Kim1-34/+19
[why] Currently, driver is not aware if IPS is supported. After PMFW helps implement new message query functionality, driver will set IPS capability flag. [how] Create new SMU hook function to query IPS capability. Based on the cap, set appropriate flags to false for power-gating purposes. This will avoid keeping SMU busy and offloading tasks to DMUB/driver. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Charlene Liu <charlene.liu@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Sung Joon Kim <sungkim@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-08-30drm/amd/display: Add DCN35 PG_CNTLQingqing Zhuo1-0/+553
[Why & How] Add PG_CNTL handling for DCN35. Signed-off-by: Qingqing Zhuo <Qingqing.Zhuo@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>