[PATCH 08/12] drm/amd/display: Improve compatibility by re-ordering info-packets

Qingqing Zhuo qingqing.zhuo at amd.com
Fri Jul 17 17:38:09 UTC 2020


From: Naveed Ashfaq <Naveed.Ashfaq at amd.com>

[why]
On DCN20, Some features would not be activated when ALLM was turned on.
TV seemed to activate only the latest info packet sent, and the ALLM
info packet was sent after the VSIF info packet.

The packet indices was also inconsistent between DCN10 and DCN20.

[how]
Change the packet indices of DCN20 to match those of DCN10.
This makes them consistent and also makes the vendor info packet
be sent after the hfvsif info packet.

Signed-off-by: Naveed Ashfaq <Naveed.Ashfaq at amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo at amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo at amd.com>
---
 .../gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c   | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c
index 99a7ef6ab878..e3984f02b7b3 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c
@@ -152,11 +152,11 @@ static void enc2_stream_encoder_update_hdmi_info_packets(
 
 	/*Always add mandatory packets first followed by optional ones*/
 	enc2_update_hdmi_info_packet(enc1, 0, &info_frame->avi);
-	enc2_update_hdmi_info_packet(enc1, 5, &info_frame->hfvsif);
+	enc2_update_hdmi_info_packet(enc1, 1, &info_frame->hfvsif);
 	enc2_update_hdmi_info_packet(enc1, 2, &info_frame->gamut);
-	enc2_update_hdmi_info_packet(enc1, 1, &info_frame->vendor);
-	enc2_update_hdmi_info_packet(enc1, 3, &info_frame->spd);
-	enc2_update_hdmi_info_packet(enc1, 4, &info_frame->hdrsmd);
+	enc2_update_hdmi_info_packet(enc1, 3, &info_frame->vendor);
+	enc2_update_hdmi_info_packet(enc1, 4, &info_frame->spd);
+	enc2_update_hdmi_info_packet(enc1, 5, &info_frame->hdrsmd);
 }
 
 static void enc2_stream_encoder_stop_hdmi_info_packets(
-- 
2.17.1



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