linux-dev/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c, branch linus/master

drm/amd/display: Add Audio readback registers

2022-04-25T21:10:17Z

[Why] Can be useful for verifying the correctness of audio output. Reviewed-by: Aric Cyr Acked-by: Tom Chung Signed-off-by: Ilya Bakoulin Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: revert "Reset fifo after enable otg"

2022-02-02T23:26:31Z

[Why] This change causes regression, that prevents some systems from lighting up internal displays. [How] Revert this patch until a new solution is ready. Tested-by: Daniel Wheeler Reviewed-by: Charlene Liu Acked-by: Stylon Wang Signed-off-by: Zhan Liu Signed-off-by: Alex Deucher

drm/amd/display: Reset fifo after enable otg

2021-11-22T19:45:01Z

[Why] In fast boot sequence, when change dispclk, otg is disabled but digfe is enabled. This may cause dig fifo error. [How] Reset dig fifo after enable otg. Reviewed-by: Jun Lei Reviewed-by: Anthony Koo Acked-by: Wayne Lin Signed-off-by: JinZe.Xu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Handle Y carry-over in VCP X.Y calculation

2021-09-29T21:30:00Z

[Why/How] Theoretically rare corner case where ceil(Y) results in rounding up to an integer. If this happens, the 1 should be carried over to the X value. Reviewed-by: Wenjing Liu Acked-by: Anson Jacob Signed-off-by: George Shen Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Don't enable AFMT for DP audio stream

2021-09-28T13:30:09Z

[WHY] AFMT is unused for DP audio, so powering it on for DP is unnecessary. [HOW] APG block should be powered down instead, however HW defaults to shutdown state when not enabled so no further work is required. Reviewed-by: Wenjing Liu Acked-by: Anson Jacob Signed-off-by: Michael Strauss Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Add VPG and AFMT low power support for DCN3.1

2021-09-14T19:57:11Z

[WHY] Power down VPG and AFMT blocks when not in use [HOW] Create afmt31 and vpg31 structs and add necessary fields to reg list Reviewed-by: Eric Yang Acked-by: Mikita Lipski Signed-off-by: Michael Strauss Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Add DPCD writes at key points

2021-09-14T19:57:09Z

This reverts commit "Revert "Add DPCD writes at key points" ". The following patch will fix the system hang issue. v2: squash in indentation warning fix Signed-off-by: Leo (Hanghong) Ma Acked-by: Mikita Lipski Reviewed-by: Aric Cyr Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Initialize GSP1 SDP header

2021-09-01T20:55:10Z

[Why + How] Initialize GSP1 SDP header for use in DMCUB FW. Reviewed-by: Anthony Koo Acked-by: Qingqing Zhuo Signed-off-by: Wyatt Wood Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Add Logging for HDMI color depth information

2021-08-24T19:36:12Z

[Why] Recent HDMI2.0 HF1-1 V-Swing testing showed that logging deep color status helps in validation of testcase. [How] Add logging based on various color depths and pixel encoding formats. Signed-off-by: Praful Swarnakar Reviewed-by: Hersen Wu Signed-off-by: Alex Deucher

drm/amd/display: Synchronize displays with different timings

2021-02-22T23:05:48Z

[why] Vendor based fan noise improvement [how] Report timing synchronizable when DP streams time frame difference is less than 0.05 percent. Adjust DP DTOs and sync displays using MASTER_UPDATE_LOCK_DB_X_Y Signed-off-by: Vladimir Stempen Acked-by: Bindu Ramamurthy Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher