From: sungwang <danny.wang@amd.com>
Date: Wed, 10 Nov 2021 06:52:18 +0000 (+0800)
Subject: drm/amd/display: Fix ODM combine issue with fast boot
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8acd97545008cb0aa916e6dea5e61f364de9eafb;p=linux.git

drm/amd/display: Fix ODM combine issue with fast boot

[Why]
When systme power up and eDP lit up by VBIOS,
in the core_link_enable_stream(),
the function will early return due to apply
apply_edp_fast_boot_optimization,
resulting the DP_PIXEL_COMBINE cannot get set
in enc3_dp_set_odm_combine.

[How]
Check ODM PIPE to avoid early return.

Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Danny Wang <danny.wang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 8f23c160f2918..3d08f8eba402e 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -4285,7 +4285,8 @@ void core_link_enable_stream(
 		/* eDP lit up by bios already, no need to enable again. */
 		if (pipe_ctx->stream->signal == SIGNAL_TYPE_EDP &&
 					apply_edp_fast_boot_optimization &&
-					!pipe_ctx->stream->timing.flags.DSC) {
+					!pipe_ctx->stream->timing.flags.DSC &&
+					!pipe_ctx->next_odm_pipe) {
 			pipe_ctx->stream->dpms_off = false;
 #if defined(CONFIG_DRM_AMD_DC_HDCP)
 			update_psp_stream_config(pipe_ctx, false);