kernel.git/drivers/gpu/drm/amd/display/dc/dml, branch linux-6.16.y

Revert: "drm/amd/display: Enable urgent latency adjustment on DCN35"

2025-05-13T13:27:44Z

This reverts commit 756c85e4d0dd ("drm/amd/display: Enable urgent latency adjustment on DCN35") Reason for revert: Negative power impact. Reviewed-by: Nicholas Kazlauskas Signed-off-by: Gabe Teeger Signed-off-by: Ray Wu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Refactor SubVP cursor limiting logic

2025-05-05T16:58:49Z

[WHY] There are several gaps that can result in SubVP being enabled with incompatible HW cursor sizes, and unjust restrictions to cursor size due to wrong predictions on future usage of SubVP. [HOW] - remove "prediction" logic in favor of tagging based on previous SubVP usage - block SubVP if current HW cursor settings are incompatible - provide interface for DM to determine if HW cursor should be disabled due to an attempt to enable SubVP Reviewed-by: Alvin Lee Signed-off-by: Dillon Varone Signed-off-by: Ray Wu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

Revert "drm/amd/display: Refactor SubVP cursor limiting logic"

2025-05-05T16:55:35Z

This reverts commit 19e743f0fb73 ("drm/amd/display: Refactor SubVP cursor limiting logic") Reason for revert: Corruption Reviewed-by: Alvin Lee Signed-off-by: Ryan Seto Signed-off-by: Ray Wu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Correct prefetch calculation

2025-04-22T12:51:45Z

[Why] The minimum value of the dst_y_prefetch_equ was not correct in prefetch calculation whice causes OPTC underflow. [How] Add the min operation of dst_y_prefetch_equ in prefetch calculation for legacy DML. Reviewed-by: Nicholas Kazlauskas Signed-off-by: TungYu Lu Signed-off-by: Zaeem Mohamed Tested-by: Mark Broadworth Signed-off-by: Alex Deucher

drm/amd/display: Refactor SubVP cursor limiting logic

2025-04-22T12:51:45Z

[WHY] There are several gaps that can result in SubVP being enabled with incompatible HW cursor sizes, and unjust restrictions to cursor size due to wrong predictions on future usage of SubVP [HOW] - remove "prediction" logic in favor of tagging based on previous SubVP usage - block SubVP if current HW cursor settings are incompatible - provide interface for DM to determine if HW cursor should be disabled due to an attempt to enable SubVP Reviewed-by: Alvin Lee Signed-off-by: Dillon Varone Signed-off-by: Zaeem Mohamed Tested-by: Mark Broadworth Signed-off-by: Alex Deucher

drm/amd/display: Enable urgent latency adjustment on DCN35

2025-04-21T15:28:09Z

[Why] Urgent latency adjustment was disabled on DCN35 due to issues with P0 enablement on some platforms. Without urgent latency, underflows occur when doing certain high timing configurations. After testing, we found that reenabling urgent latency didn't reintroduce p0 support on multiple platforms. [How] renable urgent latency on DCN35 and setting it to 3000 Mhz. This reverts commit 3412860cc4c0c484f53f91b371483e6e4440c3e5. Reviewed-by: Charlene Liu Signed-off-by: Nicholas Susanto Signed-off-by: Zaeem Mohamed Tested-by: Mark Broadworth Signed-off-by: Alex Deucher

drm/amd/display: Update static soc table

2025-03-18T18:03:47Z

[WHY] Update the static soc table dcn3_5_soc. Reviewed-by: Alvin Lee Signed-off-by: Charlene Liu Signed-off-by: Alex Hung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amdgpu: Remove unused print__rq_dlg_params_st

2025-03-05T15:44:46Z

print__rq_dlg_params_st() was added in 2017 by commit 061bfa06a42a ("drm/amdgpu/display: Add dml support for DCN") but has remained unused. Remove it. Signed-off-by: Dr. David Alan Gilbert Signed-off-by: Alex Deucher

drm/amd/display: Request HW cursor on DCN3.2 with SubVP

2025-03-05T15:39:00Z

[why] When SubVP is active the HW cursor size is limited to 64x64, and anything larger will force composition which is bad for gaming on DCN3.2 if the game uses a larger cursor. [how] If HW cursor is requested, typically by a fullscreen game, do not enable SubVP so that up to 256x256 cursor sizes are available for DCN3.2. Reviewed-by: Aric Cyr Signed-off-by: Aric Cyr Signed-off-by: Wayne Lin Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: fix type mismatch in CalculateDynamicMetadataParameters()

2025-03-05T15:38:07Z

There is a type mismatch between what CalculateDynamicMetadataParameters() takes and what is passed to it. Currently this function accepts several args as signed long but it's called with unsigned integers and integer. On some systems where long is 32 bits and one of these unsigned int params is greater than INT_MAX it may cause passing input params as negative values. Fix this by changing these argument types from long to unsigned int and to int respectively. Also this will align the function's definition with similar functions in other dcn* drivers. Found by Linux Verification Center (linuxtesting.org) with Svace. Fixes: 6725a88f88a7 ("drm/amd/display: Add DCN3 DML") Signed-off-by: Vitaliy Shevtsov Reviewed-by: Alex Hung Signed-off-by: Alex Deucher