kernel/linux.git/drivers/gpu/drm/amd/display/modules/info_packet, branch v6.6.132

Revert "drm/amd/display: Fix sending VSC (+ colorimetry) packets for DP/eDP displays without PSR"

2024-04-03T13:28:55+00:00

commit 78aca9ee5e012e130dbfbd7191bc2302b0cf3b37 upstream. This causes flicker on a bunch of eDP panels. The info_packet code also caused regressions on other OSes that we haven't' seen on Linux yet, but that is likely due to the fact that we haven't had a chance to test those environments on Linux. We'll need to revisit this. This reverts commit 202260f64519e591b5cd99626e441b6559f571a3. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3207 Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3151 Signed-off-by: Harry Wentland Reviewed-by: Rodrigo Siqueira Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman

drm/amd/display: Fix sending VSC (+ colorimetry) packets for DP/eDP displays without PSR

2024-01-10T16:17:01+00:00

commit 202260f64519e591b5cd99626e441b6559f571a3 upstream. The check for sending the vsc infopacket to the display was gated behind PSR (Panel Self Refresh) being enabled. The vsc infopacket also contains the colorimetry (specifically the container color gamut) information for the stream on modern DP. PSR is typically only supported on mobile phone eDP displays, thus this was not getting sent for typical desktop monitors or TV screens. This functionality is needed for proper HDR10 functionality on DP as it wants BT2020 RGB/YCbCr for the container color space. Cc: stable@vger.kernel.org Cc: Harry Wentland Cc: Xaver Hugl Cc: Melissa Wen Fixes: 15f9dfd545a1 ("drm/amd/display: Register Colorspace property for DP and HDMI") Tested-by: Simon Berz Tested-by: Xaver Hugl Signed-off-by: Joshua Ashton Signed-off-by: Hamza Mahfooz Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman

drm/amd/display: Update adaptive sync infopackets for replay

2023-08-15T22:08:30+00:00

Update infopackets for replay Signed-off-by: Bhawanpreet Lakha Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher

drm/amd/display: Enable Freesync over PCon

2023-01-31T19:00:44+00:00

[why] Enable Freesync over PCon on Linux environment. [how] Adding Freesync over PCon support in amdgpu_dm - Read DPCD for Freesync over PCon capabilitiy - Add whitelist for compatible branch devices Reviewed-by: Chao-kai Wang Acked-by: Alex Hung Signed-off-by: Sung Joon Kim Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Enable AdaptiveSync in DC interface

2023-01-24T18:26:25+00:00

[why] Start enabling AdaptiveSync feature on Linux environment. [how] Adding AdaptiveSync support in DC layer - building AdaptiveSync info_packets - adjusting the v_startup parameter Reviewed-by: Harry Wentland Reviewed-by: Anthony Koo Acked-by: Alan Liu Signed-off-by: Sung Joon Kim Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Wrong colorimetry workaround

2022-10-27T18:45:14+00:00

[Why] For FreeSync HDR, native color space flag in AMD VSIF(BT.709) should be used when intepreting content and color space flag in VSC or AVI infoFrame should be ignored. However, it turned out some userspace application still use color flag in VSC or AVI infoFrame which is incorrect. [How] Transfer function is used when building the VSC and AVI infoFrame. Set colorimetry to BT.709 when all the following match: 1. Pixel format is YCbCr; 2. In FreeSync 2 HDR, color is COLOR_SPACE_2020_YCBCR; 3. Transfer function is TRANSFER_FUNC_GAMMA_22; Tested-by: Mark Broadworth Reviewed-by: Krunoslav Kovac Acked-by: Rodrigo Siqueira Signed-off-by: Ma Hanghong Signed-off-by: Alex Deucher

drm/amd/display: revise Start/End SDP data

2022-06-06T18:40:57+00:00

[why & how] We need to implement the VSC packet rev4 that is required by PSRSU. Follow the eDP 1.5 spec pg. 257 changes in v2: ------------------- - set vsc packet rev2 for PSR1 Cc: Chandan Vurdigerenataraj Signed-off-by: David Zhang Acked-by: Leo Li Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher

drm/amd/display: Update VTEM Infopacket definition

2022-03-25T16:40:24+00:00

[Why & How] The latest HDMI SPEC has updated the VTEM packet structure, so change the VTEM Infopacket defined in the driver side to align with the SPEC. Reviewed-by: Chris Park Acked-by: Alex Hung Signed-off-by: Leo (Hanghong) Ma Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Update VSC HDR infoPacket on TF change

2022-01-25T23:00:35+00:00

[why] OnSetSourceContentAttribute it does not trigger an update for the VSC with TF change. [how] In this call, create a new VSC infoPacket based on the new config, and allow DisplayTarget decide if an update and pursuant passive flip is necessary Tested-by: Daniel Wheeler Reviewed-by: Krunoslav Kovac Acked-by: Rodrigo Siqueira Signed-off-by: Reza Amini Signed-off-by: Alex Deucher

drm/amd/display/modules/info_packet/info_packet: Correct kernel-doc formatting

2021-01-14T18:20:20+00:00

Fixes the following W=1 kernel build warning(s): drivers/gpu/drm/amd/amdgpu/../display/modules/info_packet/info_packet.c:412: warning: Cannot understand ***************************************************************************** Cc: Harry Wentland Cc: Leo Li Cc: Alex Deucher Cc: "Christian König" Cc: David Airlie Cc: Daniel Vetter Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Lee Jones Signed-off-by: Alex Deucher