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[AMD Official Use Only - General]<br>
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Setting 'replay_feature_enabled' to false did not fix the issue, and PSR could not be enabled on an eDP without Replay support (Sink support 0x03 in my case).<br>
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<p>Thank you,</p>
<p>Ivan Lipski</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Lakha, Bhawanpreet <Bhawanpreet.Lakha@amd.com><br>
<b>Sent:</b> October 3, 2023 1:03 PM<br>
<b>To:</b> Li, Sun peng (Leo) <Sunpeng.Li@amd.com>; LIPSKI, IVAN <IVAN.LIPSKI@amd.com>; amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br>
<b>Cc:</b> Siqueira, Rodrigo <Rodrigo.Siqueira@amd.com>; Mahfooz, Hamza <Hamza.Mahfooz@amd.com>; Wentland, Harry <Harry.Wentland@amd.com>; Deucher, Alexander <Alexander.Deucher@amd.com>; Chung, ChiaHsuan (Tom) <ChiaHsuan.Chung@amd.com><br>
<b>Subject:</b> Re: [PATCH v2] Revert "drm/amd/display: Enable Replay for static screen use cases"</font>
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[AMD Official Use Only - General]<br>
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yes, it will disable replay. <br>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Li, Sun peng (Leo) <Sunpeng.Li@amd.com><br>
<b>Sent:</b> October 3, 2023 11:40 AM<br>
<b>To:</b> Lakha, Bhawanpreet <Bhawanpreet.Lakha@amd.com>; LIPSKI, IVAN <IVAN.LIPSKI@amd.com>; amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br>
<b>Cc:</b> Siqueira, Rodrigo <Rodrigo.Siqueira@amd.com>; Mahfooz, Hamza <Hamza.Mahfooz@amd.com>; Wentland, Harry <Harry.Wentland@amd.com>; Deucher, Alexander <Alexander.Deucher@amd.com>; Chung, ChiaHsuan (Tom) <ChiaHsuan.Chung@amd.com><br>
<b>Subject:</b> Re: [PATCH v2] Revert "drm/amd/display: Enable Replay for static screen use cases"</font>
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On 2023-10-03 11:23, Lakha, Bhawanpreet wrote:<br>
> [AMD Official Use Only - General]<br>
> <br>
> <br>
> Why not just set replay_feature_enabled = true; to false?<br>
<br>
Would that be the right fix? If so, we can send out a patch<br>
with that instead.<br>
<br>
- Leo<br>
<br>
> ------------------------------------------------------------------------<br>
> *From:* Li, Sun peng (Leo) <Sunpeng.Li@amd.com><br>
> *Sent:* October 3, 2023 11:20 AM<br>
> *To:* Lakha, Bhawanpreet <Bhawanpreet.Lakha@amd.com>; LIPSKI, IVAN <br>
> <IVAN.LIPSKI@amd.com>; amd-gfx@lists.freedesktop.org <br>
> <amd-gfx@lists.freedesktop.org><br>
> *Cc:* Siqueira, Rodrigo <Rodrigo.Siqueira@amd.com>; Mahfooz, Hamza <br>
> <Hamza.Mahfooz@amd.com>; Wentland, Harry <Harry.Wentland@amd.com>; <br>
> Deucher, Alexander <Alexander.Deucher@amd.com>; Chung, ChiaHsuan (Tom) <br>
> <ChiaHsuan.Chung@amd.com><br>
> *Subject:* Re: [PATCH v2] Revert "drm/amd/display: Enable Replay for <br>
> static screen use cases"<br>
> <br>
> <br>
> On 2023-10-03 11:13, Lakha, Bhawanpreet wrote:<br>
>> [AMD Official Use Only - General]<br>
>> <br>
>> <br>
>> Any reason for reverting this instead of looking into <br>
>> "amdgpu_dm_setup_replay()" and "replay_feature_enabled" to see why reply <br>
>> is being enabled?<br>
> <br>
> It causes a regression in amd_psr. Unless there's a quick fix, we should<br>
> revert for now. It sounds like this can break existing support for<br>
> PSR/PSR SU.<br>
> <br>
> Acked-by: Leo Li <sunpeng.li@amd.com><br>
> <br>
> - Leo<br>
> <br>
>> <br>
>> Bhawan<br>
>> ------------------------------------------------------------------------<br>
>> *From:* LIPSKI, IVAN <IVAN.LIPSKI@amd.com><br>
>> *Sent:* October 2, 2023 1:47 PM<br>
>> *To:* amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br>
>> *Cc:* Siqueira, Rodrigo <Rodrigo.Siqueira@amd.com>; Mahfooz, Hamza <br>
>> <Hamza.Mahfooz@amd.com>; Wentland, Harry <Harry.Wentland@amd.com>; <br>
>> Lakha, Bhawanpreet <Bhawanpreet.Lakha@amd.com>; Deucher, Alexander <br>
>> <Alexander.Deucher@amd.com>; Li, Sun peng (Leo) <Sunpeng.Li@amd.com>; <br>
>> Chung, ChiaHsuan (Tom) <ChiaHsuan.Chung@amd.com>; LIPSKI, IVAN <br>
>> <IVAN.LIPSKI@amd.com>; LIPSKI, IVAN <IVAN.LIPSKI@amd.com><br>
>> *Subject:* [PATCH v2] Revert "drm/amd/display: Enable Replay for static <br>
>> screen use cases"<br>
>> From: Ivan Lipski <ivlipski@amd.com><br>
>> <br>
>> This reverts commit a92da5bc33ea99a861f6c422192af6072c145d2d.<br>
>> <br>
>> V2: Reword commit message<br>
>> <br>
>> [WHY]<br>
>> This commit caused regression in which eDP's with PSR support,<br>
>> but no Replay support (Sink support <= 0x03), failed enabling PSR<br>
>> and all IGT amd_psr tests.<br>
>> <br>
>> [HOW]<br>
>> Reverted the patch.<br>
>> <br>
>> Signed-off-by: Ivan Lipski <ivlipskI@amd.com><br>
>> ---<br>
>>   .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 23 -------------------<br>
>>   .../amd/display/amdgpu_dm/amdgpu_dm_crtc.c    |  9 +-------<br>
>>   drivers/gpu/drm/amd/include/amd_shared.h      |  2 --<br>
>>   3 files changed, 1 insertion(+), 33 deletions(-)<br>
>> <br>
>> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c <br>
>> b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c<br>
>> index 32156609fbcf..f69b2e9ecd98 100644<br>
>> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c<br>
>> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c<br>
>> @@ -66,7 +66,6 @@<br>
>>   #include "amdgpu_dm_debugfs.h"<br>
>>   #endif<br>
>>   #include "amdgpu_dm_psr.h"<br>
>> -#include "amdgpu_dm_replay.h"<br>
>> <br>
>>   #include "ivsrcid/ivsrcid_vislands30.h"<br>
>> <br>
>> @@ -4423,7 +4422,6 @@ static int amdgpu_dm_initialize_drm_device(struct <br>
>> amdgpu_device *adev)<br>
>>           enum dc_connection_type new_connection_type = dc_connection_none;<br>
>>           const struct dc_plane_cap *plane;<br>
>>           bool psr_feature_enabled = false;<br>
>> -       bool replay_feature_enabled = false;<br>
>>           int max_overlay = dm->dc->caps.max_slave_planes;<br>
>> <br>
>>           dm->display_indexes_num = dm->dc->caps.max_streams;<br>
>> @@ -4535,21 +4533,6 @@ static int amdgpu_dm_initialize_drm_device(struct <br>
>> amdgpu_device *adev)<br>
>>                   }<br>
>>           }<br>
>> <br>
>> -       if (!(amdgpu_dc_debug_mask & DC_DISABLE_REPLAY)) {<br>
>> -               switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) {<br>
>> -               case IP_VERSION(3, 1, 4):<br>
>> -               case IP_VERSION(3, 1, 5):<br>
>> -               case IP_VERSION(3, 1, 6):<br>
>> -               case IP_VERSION(3, 2, 0):<br>
>> -               case IP_VERSION(3, 2, 1):<br>
>> -               case IP_VERSION(3, 5, 0):<br>
>> -                       replay_feature_enabled = true;<br>
>> -                       break;<br>
>> -               default:<br>
>> -                       replay_feature_enabled = amdgpu_dc_feature_mask <br>
>> & DC_REPLAY_MASK;<br>
>> -                       break;<br>
>> -               }<br>
>> -       }<br>
>>           /* loops over all connectors on the board */<br>
>>           for (i = 0; i < link_cnt; i++) {<br>
>>                   struct dc_link *link = NULL;<br>
>> @@ -4618,12 +4601,6 @@ static int amdgpu_dm_initialize_drm_device(struct <br>
>> amdgpu_device *adev)<br>
>>                                   <br>
>> amdgpu_dm_update_connector_after_detect(aconnector);<br>
>>                                   setup_backlight_device(dm, aconnector);<br>
>> <br>
>> -                               /*<br>
>> -                                * Disable psr if replay can be enabled<br>
>> -                                */<br>
>> -                               if (replay_feature_enabled && <br>
>> amdgpu_dm_setup_replay(link, aconnector))<br>
>> -                                       psr_feature_enabled = false;<br>
>> -<br>
>>                                   if (psr_feature_enabled)<br>
>>                                           amdgpu_dm_set_psr_caps(link);<br>
>> <br>
>> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c <br>
>> b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c<br>
>> index fb51ec4f8d31..440fc0869a34 100644<br>
>> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c<br>
>> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c<br>
>> @@ -29,7 +29,6 @@<br>
>>   #include "dc.h"<br>
>>   #include "amdgpu.h"<br>
>>   #include "amdgpu_dm_psr.h"<br>
>> -#include "amdgpu_dm_replay.h"<br>
>>   #include "amdgpu_dm_crtc.h"<br>
>>   #include "amdgpu_dm_plane.h"<br>
>>   #include "amdgpu_dm_trace.h"<br>
>> @@ -124,12 +123,7 @@ static void vblank_control_worker(struct <br>
>> work_struct *work)<br>
>>            * fill_dc_dirty_rects().<br>
>>            */<br>
>>           if (vblank_work->stream && vblank_work->stream->link) {<br>
>> -               /*<br>
>> -                * Prioritize replay, instead of psr<br>
>> -                */<br>
>> -               if <br>
>> (vblank_work->stream->link->replay_settings.replay_feature_enabled)<br>
>> -                       amdgpu_dm_replay_enable(vblank_work->stream, false);<br>
>> -               else if (vblank_work->enable) {<br>
>> +               if (vblank_work->enable) {<br>
>>                           if <br>
>> (vblank_work->stream->link->psr_settings.psr_version < <br>
>> DC_PSR_VERSION_SU_1 &&<br>
>>                               <br>
>> vblank_work->stream->link->psr_settings.psr_allow_active)<br>
>>                                   <br>
>> amdgpu_dm_psr_disable(vblank_work->stream);<br>
>> @@ -138,7 +132,6 @@ static void vblank_control_worker(struct work_struct <br>
>> *work)<br>
>>   #ifdef CONFIG_DRM_AMD_SECURE_DISPLAY<br>
>>                              <br>
>> !amdgpu_dm_crc_window_is_activated(&vblank_work->acrtc->base) &&<br>
>>   #endif<br>
>> -                          <br>
>> vblank_work->stream->link->panel_config.psr.disallow_replay &&<br>
>>                              <br>
>> vblank_work->acrtc->dm_irq_params.allow_psr_entry) {<br>
>>                           amdgpu_dm_psr_enable(vblank_work->stream);<br>
>>                   }<br>
>> diff --git a/drivers/gpu/drm/amd/include/amd_shared.h <br>
>> b/drivers/gpu/drm/amd/include/amd_shared.h<br>
>> index 314fd44ec018..ce75351204bb 100644<br>
>> --- a/drivers/gpu/drm/amd/include/amd_shared.h<br>
>> +++ b/drivers/gpu/drm/amd/include/amd_shared.h<br>
>> @@ -244,7 +244,6 @@ enum DC_FEATURE_MASK {<br>
>>           DC_DISABLE_LTTPR_DP2_0 = (1 << 6), //0x40, disabled by default<br>
>>           DC_PSR_ALLOW_SMU_OPT = (1 << 7), //0x80, disabled by default<br>
>>           DC_PSR_ALLOW_MULTI_DISP_OPT = (1 << 8), //0x100, disabled by <br>
>> default<br>
>> -       DC_REPLAY_MASK = (1 << 9), //0x200, disabled by default for dcn <br>
>> < 3.1.4<br>
>>   };<br>
>> <br>
>>   enum DC_DEBUG_MASK {<br>
>> @@ -255,7 +254,6 @@ enum DC_DEBUG_MASK {<br>
>>           DC_DISABLE_PSR = 0x10,<br>
>>           DC_FORCE_SUBVP_MCLK_SWITCH = 0x20,<br>
>>           DC_DISABLE_MPO = 0x40,<br>
>> -       DC_DISABLE_REPLAY = 0x50,<br>
>>           DC_ENABLE_DPIA_TRACE = 0x80,<br>
>>   };<br>
>> <br>
>> -- <br>
>> 2.34.1<br>
>> <br>
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