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drm/amd/display: Disable PSR-SU on eDP panels

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[Why]
PSR-SU may cause some glitching randomly on several panels.

[How]
Temporarily disable the PSR-SU and fallback to PSR1 for
all eDP panels.

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3388
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Sun peng Li <sunpeng.li@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 6deeefb820)
Cc: stable@vger.kernel.org
This commit is contained in:
Tom Chung 2025-02-06 11:31:23 +08:00 committed by Alex Deucher
parent a04bf34e08
commit e8863f8b03
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c
View File

@ -54,7 +54,8 @@ static bool link_supports_psrsu(struct dc_link *link)
if (amdgpu_dc_debug_mask & DC_DISABLE_PSR_SU)
return false;
return dc_dmub_check_min_version(dc->ctx->dmub_srv->dmub);
/* Temporarily disable PSR-SU to avoid glitches */
return false;
}
/*