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path: root/drivers/gpu/drm/amd/display/dc/dce/dce_clk_mgr.c
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2019-02-19drm/amd/display: Raise dispclk value for dce11Roman Li1-3/+8
[Why] The visual corruption due to low display clock value. Observed on Carrizo 4K@60Hz. [How] There was earlier patch for dce_update_clocks: Adding +15% workaround also to to dce11_update_clocks 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>
2019-02-01drm/amd/display: Fix fclk idle stateRoman Li1-1/+9
[Why] The earlier change 'Fix 6x4K displays' led to fclk value idling at higher DPM level. [How] Apply the fix only to respective multi-display configuration. Signed-off-by: Roman Li <Roman.Li@amd.com> Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-12-18drm/amd/display: Raise dispclk value for PolarisRoman Li1-0/+7
[Why] The visual corruption due to low display clock value observed on some systems [How] There was earlier patch for dspclk: 'drm/amd/display: Raise dispclk value for dce_update_clocks' Adding +15% workaround also to to dce112_update_clocks Signed-off-by: Roman Li <Roman.Li@amd.com> Reviewed-by: Leo Li <Sunpeng.Li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-11-29drm/amd/display: Fix 6x4K displays light-up on Vega20Roman Li1-0/+2
[Why] More than 4x4K didn't lightup on Vega20 due to low dcfclk value. Powerplay expects valid min requirement for dcfclk from DC. [How] Update min_dcfclock_khz based on min_engine_clock value. Reviewed-by: Hersen Wu <hersenxs.wu@amd.com> Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> Reviewed-by: Evan Quan <evan.quan@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Roman Li <Roman.Li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-11-19drm/amd/display: Check for dmcu initialization before calling dmcuDavid Francis1-4/+7
[Why] DMCU firmware is not required - the system is expected to run fine without it. Therefore, wherever dmcu functions could be called, dmcu initialization shoudl be checked [How] Use the helpful hook dmcu_funcs->is_dmcu_initialized Signed-off-by: David Francis <David.Francis@amd.com> Reviewed-by: Hersen Wu <hersenxs.wu@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-11-19drm/amd/display: expose dentist_get_divider_from_didNevenko Stupar1-1/+1
expose this functions for future use. Signed-off-by: Nevenko Stupar <Nevenko.Stupar@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-11-05drm/amd/display: rename dccg to clk_mgrDmytro Laktyushkin1-0/+879
In preparation for adding the actual dccg block since the current implementation of dccg is mor eof a clock manager than a hw block Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>