[PATCH 03/49] drm/amd/display: reset drr programming on pipe reset

[sunpeng.li at amd.com]

From: Wenjing Liu <Wenjing.Liu at amd.com>

[why]
drr is still enabled after driver is unloaded causing black screen

[how]
disable drr during pipe reset.

Signed-off-by: Wenjing Liu <Wenjing.Liu at amd.com>
Reviewed-by: Jun Lei <Jun.Lei at amd.com>
Acked-by: Leo Li <sunpeng.li at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 3 +++
 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c        | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 96aae19c3d6c..8e1de423e567 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -822,6 +822,9 @@ static void dcn10_reset_back_end_for_pipe(
 		pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);
 
 		pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false);
+		if (pipe_ctx->stream_res.tg->funcs->set_drr)
+			pipe_ctx->stream_res.tg->funcs->set_drr(
+					pipe_ctx->stream_res.tg, NULL);
 	}
 
 	for (i = 0; i < dc->res_pool->pipe_count; i++)
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 38b3c89b2a59..27d143418cc7 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -1834,6 +1834,10 @@ static void dcn20_reset_back_end_for_pipe(
 		if (pipe_ctx->stream_res.tg->funcs->set_odm_bypass)
 			pipe_ctx->stream_res.tg->funcs->set_odm_bypass(
 					pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing);
+
+		if (pipe_ctx->stream_res.tg->funcs->set_drr)
+			pipe_ctx->stream_res.tg->funcs->set_drr(
+					pipe_ctx->stream_res.tg, NULL);
 	}
 
 	for (i = 0; i < dc->res_pool->pipe_count; i++)
-- 
2.22.0