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fae058b4 |
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22-Aug-2023 |
Paul Hsieh <paul.hsieh@amd.com> |
drm/amd/display: support main link off before specific vertical line [Why] Some panels request main link off before specific vertical line. If source turn off main link after specific vertical line then panel defect will be exposed. [How] Add interface to support turn off main link before specific vertical line Reviewed-by: Robin Chen <robin.chen@amd.com> Acked-by: Stylon Wang <stylon.wang@amd.com> Signed-off-by: Paul Hsieh <paul.hsieh@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
2abc0ccf |
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21-May-2023 |
Mike Hsieh <mike.hsieh@amd.com> |
drm/amd/display: Add vendor Id for reference Add a new vendor ID code for reference Reviewed-by: Wenjing Liu <wenjing.liu@amd.com> Acked-by: Tom Chung <chiahsuan.chung@amd.com> Signed-off-by: Mike Hsieh <mike.hsieh@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
bc517825 |
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17-Mar-2023 |
Lee Jones <lee@kernel.org> |
drm/amd/display/amdgpu_dm/amdgpu_dm_helpers: Move defines out to where they are actually used Fixes the following W=1 kernel build warning(s): drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h: At top level: drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:143:22: warning: ‘SYNAPTICS_DEVICE_ID’ defined but not used [-Wunused-const-variable=] drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:140:22: warning: ‘DP_VGA_LVDS_CONVERTER_ID_3’ defined but not used [-Wunused-const-variable=] drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:138:22: warning: ‘DP_VGA_LVDS_CONVERTER_ID_2’ defined but not used [-Wunused-const-variable=] drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:133:22: warning: ‘DP_SINK_DEVICE_STR_ID_2’ defined but not used [-Wunused-const-variable=] drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:132:22: warning: ‘DP_SINK_DEVICE_STR_ID_1’ defined but not used [-Wunused-const-variable=] [snip 400 similar lines brevity] Cc: Harry Wentland <harry.wentland@amd.com> Cc: Leo Li <sunpeng.li@amd.com> Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com> Cc: David Airlie <airlied@gmail.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Lee Jones <lee@kernel.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
5b49da02 |
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12-Jan-2023 |
Sung Joon Kim <sungkim@amd.com> |
drm/amd/display: Enable Freesync over PCon [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 <Stylon.Wang@amd.com> Acked-by: Alex Hung <alex.hung@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>
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#
630168a9 |
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14-Dec-2022 |
Wenjing Liu <wenjing.liu@amd.com> |
drm/amd/display: move dp link training logic to link_dp_training [why] Extract dp link training logic out to their own files. link_dp_training - high level training sequence and helper functions. link_dp_training_8b_10b - dp1.x training link_dp_training_auxless - aux-less training link_dp_traininig_dpia - dpia training link_dp_training_fixed_vs_pe_retimer - fixed vs pe retimer training link_dp_training_128b_132b - dp2.1 training Tested-by: Daniel Wheeler <Daniel.Wheeler@amd.com> Reviewed-by: Wesley Chalmers <Wesley.Chalmers@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Wenjing Liu <wenjing.liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
8bc14183 |
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08-Sep-2022 |
Robin Chen <po-tchen@amd.com> |
drm/amd/display: Revise Sink device string ID [Why] The Sink device string ID1/ID2 use 5 bytes instead of 6 bytes, so the driver should compare the first 5 bytes only. Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> Acked-by: Wayne Lin <wayne.lin@amd.com> Signed-off-by: Robin Chen <po-tchen@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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6bad4ff8 |
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03-May-2022 |
David Zhang <dingchen.zhang@amd.com> |
drm/amd/display: expose AMD specific DPCD for PSR-SU-RC support [why & how] Expose vendor specific DPCD registers for rate controlling the eDP sink TCON's refresh rate during PSR active. When used in combination with PSR-SU and Freesync, it is called PSR-SU Rate Contorol, or PSR-SU-RC for short. v2: Add all DPCD registers required Signed-off-by: David Zhang <dingchen.zhang@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
f0ad66f4 |
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12-May-2022 |
Alvin <Alvin.Lee2@amd.com> |
drm/amd/display: Don't clear ref_dtbclk value [Description] ref_dtbclk value is assigned in clk_mgr_construct, but the clks struct is cleared in init_clocks. Make sure to restore the value or we will get 0 value for ref_dtbclk in DCN31. Reviewed-by: Chris Park <Chris.Park@amd.com> Acked-by: Jasdeep Dhillon <jdhillon@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
d9f442e9 |
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11-Apr-2022 |
David Zhang <dingchen.zhang@amd.com> |
drm/amd/display: read PSR-SU cap DPCD for specific panel [why & how] For some specific eDP panel, we'd check the PSR-SU cap during boot by reading the vendor specific DPCD, otherwise it will cause to false report the eDP panel which supports PSR-SU as an non-PSR-SU panel. - add the vendor specific DPCD address in ddc_service_types header - if specific eDP panel detected, check vendor specific DPCD for PSR-SU cap Reviewed-by: Aurabindo Jayamohanan Pillai <Aurabindo.Pillai@amd.com> Acked-by: Tom Chung <chiahsuan.chung@amd.com> Signed-off-by: David Zhang <dingchen.zhang@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
4a897de1 |
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24-Feb-2022 |
Sung Joon Kim <sungjoon.kim@amd.com> |
drm/amd/display: disable HPD SW timer for passive dongle type 1 only [why] Need to provide this workaround only for type 1 passive dongle [how] Detect if dongle is type 1 or 2. And use it to determine if w/a is needed. Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Acked-by: Alan Liu <HaoPing.Liu@amd.com> Signed-off-by: Sung Joon Kim <sungjoon.kim@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
3e6084ae |
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07-Feb-2022 |
Po Ting Chen <robin.chen@amd.com> |
drm/amd/display: Refactor PSR DPCD caps detection [Why] To move the PSR DPCD caps detection into detect_edp_sink_caps() Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> Acked-by: Solomon Chiu <solomon.chiu@amd.com> Signed-off-by: Po Ting Chen <robin.chen@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
9cc37043 |
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23-Jan-2022 |
Fangzhi Zuo <Jerry.Zuo@amd.com> |
drm/amd/display: Add DSC Enable for Synaptics Hub DSC sequence for non virtual dpcd synaptics hub Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Hersen Wu <hersenxs.wu@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
31d64b82 |
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19-Jan-2022 |
Jimmy Kizito <Jimmy.Kizito@amd.com> |
drm/amd/display: Add work around to enforce TBT3 compatibility. [Why] According to the USB4 specification, FEC and DSC should be disabled when a USB4 DPIA operates in TBT3 compatibility mode. [How] Upon detecting that a USB4 DPIA is connected to a device that is known to operate in TBT3 mode, disable FEC and DSC support if they have been reported by the TBT3 device. Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Reviewed-by: Meenakshikumar Somasundaram <Meenakshikumar.Somasundaram@amd.com> Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
2665f63a |
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20-Oct-2021 |
Mikita Lipski <mikita.lipski@amd.com> |
drm/amd/display: Enable DSC over eDP [why] - Adding a DM interface to enable DSC over eDP on Linux - DSC over eDP will allow to power savings by reducing the bandwidth required to support panel's modes - Apply link optimization algorithm to reduce link bandwidth when DSC is enabled [how] - Read eDP panel's DSC capabilities - Apply DSC policy on eDP panel based on its DSC capabilities - Enable DSC encoder's on the pipe - Enable DSC on panel's side by setting DSC_ENABLE DPCD register - Adding link optimization algorithm to reduce link rate or lane count based Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> Acked-by: Wayne Lin <wayne.lin@amd.com> Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
548f2125 |
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04-Nov-2021 |
Robin Chen <po-tchen@amd.com> |
drm/amd/display: To support sending TPS3 pattern when restoring link [Why] Some panels require to use TPS3 pattern to wake up link in PSR mode. [How] To add TPS3 selection information in PSR settings command and pass to DMUB FW. Reviewed-by: Anthony Koo <Anthony.Koo@amd.com> Acked-by: Anson Jacob <Anson.Jacob@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Robin Chen <po-tchen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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f631eae5 |
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13-Nov-2020 |
Lee Jones <lee.jones@linaro.org> |
drm/amd/display/dc/core/dc_link_ddc: Move DP_DVI_CONVERTER_ID_{4, 5} to where they're used This patch fixes >200 warnings. Fixes the following W=1 kernel build warning(s): from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:31: drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:126:22: warning: ‘DP_DVI_CONVERTER_ID_5’ defined but not used [-Wunused-const-variable=] 126 | static const uint8_t DP_DVI_CONVERTER_ID_5[] = "3393N2"; | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:125:22: warning: ‘DP_DVI_CONVERTER_ID_4’ defined but not used [-Wunused-const-variable=] 125 | static const uint8_t DP_DVI_CONVERTER_ID_4[] = "m2DVIa"; | ^~~~~~~~~~~~~~~~~~~~~ Cc: Harry Wentland <harry.wentland@amd.com> Cc: Leo Li <sunpeng.li@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
8dfcb24e |
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13-Nov-2020 |
Lee Jones <lee.jones@linaro.org> |
drm/amd/display/dc/core/dc_link_dp: Move DP_VGA_LVDS_CONVERTER_ID_{2, 3} to where they're used This patch fixes >200 warnings. Fixes the following W=1 kernel build warning(s): drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:123:22: warning: ‘DP_VGA_LVDS_CONVERTER_ID_3’ defined but not used [-Wunused-const-variable=] 123 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_3[] = "dnomlA"; | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:121:22: warning: ‘DP_VGA_LVDS_CONVERTER_ID_2’ defined but not used [-Wunused-const-variable=] 121 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_2[] = "sivarT"; NB: Repeated ~100 times - snipped for brevity Cc: Harry Wentland <harry.wentland@amd.com> Cc: Leo Li <sunpeng.li@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: amd-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
7154a51b |
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25-Sep-2020 |
jinlong zhang <jinlong.zhang@amd.com> |
drm/amd/display: Using udelay for specific dongle while edid return defer [why] Some platform has a limitation of 2ms for udelay [how] Add 1ms udelay for specific dongle. Signed-off-by: jinlong zhang <jinlong.zhang@amd.com> Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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566b4252 |
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16-Sep-2019 |
Vitaly Prosyak <vitaly.prosyak@amd.com> |
drm/amd/display: add new active dongle to existent w/a [Why & How] Dongle 0x00E04C power down all internal circuits including AUX communication preventing reading DPCD table. Encoder will skip DP RX power down on disable output to keep receiver powered all the time. Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Acked-by: Vitaly Prosyak <Vitaly.Prosyak@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
df3b7e32 |
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31-Jul-2019 |
Qingqing Zhuo <qingqing.zhuo@amd.com> |
drm/amd/display: refactor Device ID for external chips IEEE OUI will now be used while referring to certain vendors. instead of normal index Signed-off-by: Qingqing Zhuo <qingqing.zhuo@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>
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#
73770ca5 |
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23-Apr-2018 |
Hersen Wu <hersenxs.wu@amd.com> |
drm/amd/display: AUX will exit when HPD LOW detected This change shorten wait time when HPD LOW. With HPD LOW, without this change, AUX routine delay is 450us. With this change, it is 42us. Signed-off-by: Hersen Wu <hersenxs.wu@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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e643b1d5 |
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08-Sep-2017 |
Harry Wentland <harry.wentland@amd.com> |
drm/amd/display: Clean some unneeded defines from ddc_service_types.h Remove defines we no longer need Signed-off-by: Harry Wentland <harry.wentland@amd.com> Reviewed-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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7c7f5b15 |
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28-Mar-2017 |
Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> |
drm/amd/display: Refactor edid read. Allow Linux to use DRM provided EDID read functioality by moving DAL edid implementation to module hence removing this code from DC by this cleaning up DC code for upstream. v2: Removing ddc_service. No more need for it. Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Acked-by: Harry Wentland <Harry.Wentland@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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ac0e562c |
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14-Jan-2017 |
Tony Cheng <tony.cheng@amd.com> |
drm/amd/display: remove un-used defines and dead code Signed-off-by: Tony Cheng <tony.cheng@amd.com> Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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#
4562236b |
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12-Sep-2017 |
Harry Wentland <harry.wentland@amd.com> |
drm/amd/dc: Add dc display driver (v2) Supported DCE versions: 8.0, 10.0, 11.0, 11.2 v2: rebase against 4.11 Signed-off-by: Harry Wentland <harry.wentland@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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