[PATCH 64/76] drm/amd/dal: PSR second monitor blackout fix

[Harry Wentland]

From: Amy Zhang <Amy.Zhang at amd.com>

- Added check to make sure stream and link are corresponding to each other
- Initialized PSR caps

Signed-off-by: Amy Zhang <Amy.Zhang at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
---
 drivers/gpu/drm/amd/dal/dc/core/dc.c         | 13 +++++++------
 drivers/gpu/drm/amd/dal/dc/core/dc_link_dp.c |  6 ++++++
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/dal/dc/core/dc.c b/drivers/gpu/drm/amd/dal/dc/core/dc.c
index c96e9edacaf1..66686ee1c3e1 100644
--- a/drivers/gpu/drm/amd/dal/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/dal/dc/core/dc.c
@@ -314,14 +314,15 @@ static bool setup_psr(struct dc *dc, const struct dc_stream *stream)
 	int i;
 	unsigned int underlay_idx = core_dc->res_pool->underlay_pipe_index;
 
-	for (i = 0; i < core_dc->link_count; i++)
-		dc_link_setup_psr(&core_dc->links[i]->public,
-				stream);
+	for (i = 0; i < core_dc->link_count; i++) {
+		if (core_stream->sink->link == core_dc->links[i])
+			dc_link_setup_psr(&core_dc->links[i]->public,
+					stream);
+	}
 
 	for (i = 0; i < MAX_PIPES; i++) {
-		if (core_dc->current_context->res_ctx.pipe_ctx[i].stream == core_stream
-				&& i != underlay_idx) {
-
+		if (core_dc->current_context->res_ctx.pipe_ctx[i].stream
+				== core_stream && i != underlay_idx) {
 			pipes = &core_dc->current_context->res_ctx.pipe_ctx[i];
 			core_dc->hwss.set_static_screen_control(&pipes, 1,
 					0x182);
diff --git a/drivers/gpu/drm/amd/dal/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/dal/dc/core/dc_link_dp.c
index dd06960e110c..2b0b23ac6cac 100644
--- a/drivers/gpu/drm/amd/dal/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/dal/dc/core/dc_link_dp.c
@@ -2134,6 +2134,12 @@ static void retrieve_link_cap(struct core_link *link)
 	link->public.test_pattern_enabled = false;
 	link->public.compliance_test_state.raw = 0;
 
+	link->public.psr_caps.psr_exit_link_training_required = false;
+	link->public.psr_caps.psr_frame_capture_indication_req = false;
+	link->public.psr_caps.psr_rfb_setup_time = 0;
+	link->public.psr_caps.psr_sdp_transmit_line_num_deadline = 0;
+	link->public.psr_caps.psr_version = 0;
+
 	/* read sink count */
 	core_link_read_dpcd(link,
 			DPCD_ADDRESS_SINK_COUNT,
-- 
2.10.1