From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Date: Thu, 30 May 2019 19:47:51 +0000 (-0400)
Subject: drm/amd/display: fix dsc disable
X-Git-Tag: v5.4-rc1~106^2~17^2~306
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=ec16ac6b4264dffefe3cd137038e138e79e07848;p=linux.git

drm/amd/display: fix dsc disable

A regression caused dsc to never get disabled in certain situations.

Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index 0b84a322b8a2..94f2f9fc6956 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -1740,8 +1740,11 @@ static void dcn20_reset_back_end_for_pipe(
 		else if (pipe_ctx->stream_res.audio) {
 			dc->hwss.disable_audio_stream(pipe_ctx, FREE_ACQUIRED_RESOURCE);
 		}
-
 	}
+#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
+	else if (pipe_ctx->stream_res.dsc)
+		dp_set_dsc_enable(pipe_ctx, false);
+#endif
 
 	/* by upper caller loop, parent pipe: pipe0, will be reset last.
 	 * back end share by all pipes and will be disable only when disable