[PATCH 10/66] drm/amd/display: Do not set drr on pipe commit

[Pillai, Aurabindo]

[Public]

Thanks Michel.

Do you see the issue if you force disable FAMS?  The following diff should do:

diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
index f4ee4b3df596..475c16aab518 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c
@@ -725,7 +725,8 @@ static const struct dc_debug_options debug_defaults_drv = {
        .dwb_fi_phase = -1, // -1 = disable,
        .dmub_command_table = true,
        .use_max_lb = true,
-       .exit_idle_opt_for_cursor_updates = true
+       .exit_idle_opt_for_cursor_updates = true,
+       .disable_fams=true
 };

 static const struct dc_panel_config panel_config_defaults = {


--

Regards,
Jay
________________________________
From: Michel Dänzer <michel at daenzer.net>
Sent: Wednesday, June 7, 2023 1:00 PM
To: Pillai, Aurabindo <Aurabindo.Pillai at amd.com>; Zhuo, Qingqing (Lillian) <Qingqing.Zhuo at amd.com>; Chalmers, Wesley <Wesley.Chalmers at amd.com>
Cc: Wang, Chao-kai (Stylon) <Stylon.Wang at amd.com>; Li, Sun peng (Leo) <Sunpeng.Li at amd.com>; Wentland, Harry <Harry.Wentland at amd.com>; Siqueira, Rodrigo <Rodrigo.Siqueira at amd.com>; Li, Roman <Roman.Li at amd.com>; Chiu, Solomon <Solomon.Chiu at amd.com>; Lin, Wayne <Wayne.Lin at amd.com>; Lakha, Bhawanpreet <Bhawanpreet.Lakha at amd.com>; Gutierrez, Agustin <Agustin.Gutierrez at amd.com>; Kotarac, Pavle <Pavle.Kotarac at amd.com>; amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Subject: Re: [PATCH 10/66] drm/amd/display: Do not set drr on pipe commit

On 6/6/23 20:01, Pillai, Aurabindo wrote:
>
> I'm attaching another DMCUB firmware which has the bug fix for the hang we saw at our end and some added tracing enabled.

Still runs into the newer hang when starting a KDE Plasma Wayland session.

Should I try this for starting the game without the program OTG patch as well?


> Could you please grab the dmesg with the following added to the kernel cmdline: "drm.debug=0x156 log_buf_len=20M" using stock gnome/kde when you have all 3 patches merged ?
>
> Also attach the contents of /sys/kernel/debug/dri/0/amdgpu_dm_dmub_tracebuffer

Both files attached.


--
Earthling Michel Dänzer            |                  https://redhat.com
Libre software enthusiast          |         Mesa and Xwayland developer

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