Commit 6deeefb8 authored by Tom Chung's avatar Tom Chung Committed by Alex Deucher
Browse files

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

[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: default avatarSun peng Li <sunpeng.li@amd.com>
Signed-off-by: default avatarTom Chung <chiahsuan.chung@amd.com>
Signed-off-by: default avatarRoman Li <roman.li@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent dc84a21f

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_psr.c

+2 −1
Original line number Diff line number Diff line
@@ -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;

}



/*