Patch "drm/amd/display: Remove Phantom Pipe Check When Calculating K1 and K2" has been added to the 6.4-stable tree

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This is a note to let you know that I've just added the patch titled

    drm/amd/display: Remove Phantom Pipe Check When Calculating K1 and K2

to the 6.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-amd-display-remove-phantom-pipe-check-when-calculating-k1-and-k2.patch
and it can be found in the queue-6.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 1966bbfdfe476d271b338336254854c5edd5a907 Mon Sep 17 00:00:00 2001
From: Austin Zheng <austin.zheng@xxxxxxx>
Date: Thu, 15 Jun 2023 16:41:08 -0400
Subject: drm/amd/display: Remove Phantom Pipe Check When Calculating K1 and K2

From: Austin Zheng <austin.zheng@xxxxxxx>

commit 1966bbfdfe476d271b338336254854c5edd5a907 upstream.

[Why]
K1 and K2 not being setting properly when subVP is active.

[How]
Have phantom pipes use the same programing as the main pipes without
checking the paired stream

Cc: stable@xxxxxxxxxxxxxxx
Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx>
Reviewed-by: Alvin Lee <alvin.lee2@xxxxxxx>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira@xxxxxxx>
Signed-off-by: Austin Zheng <austin.zheng@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c |    4 ----
 1 file changed, 4 deletions(-)

--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
@@ -1125,10 +1125,6 @@ unsigned int dcn32_calculate_dccg_k1_k2_
 	unsigned int odm_combine_factor = 0;
 	bool two_pix_per_container = false;
 
-	// For phantom pipes, use the same programming as the main pipes
-	if (pipe_ctx->stream->mall_stream_config.type == SUBVP_PHANTOM) {
-		stream = pipe_ctx->stream->mall_stream_config.paired_stream;
-	}
 	two_pix_per_container = optc2_is_two_pixels_per_containter(&stream->timing);
 	odm_combine_factor = get_odm_config(pipe_ctx, NULL);
 


Patches currently in stable-queue which might be from austin.zheng@xxxxxxx are

queue-6.4/drm-amd-display-remove-phantom-pipe-check-when-calculating-k1-and-k2.patch



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