From: Michael Strauss <michael.strauss@xxxxxxx>
[WHY]
48mhz turn off feature does not work on HDMI and DVI, but the feauture
was only blocked on HDMI, this change will apply the same wa on DVI
[HOW]
Apply workaround for all TMDS signal types (HDMI, DVI single/dual link)
Signed-off-by: Michael Strauss <michael.strauss@xxxxxxx>
Reviewed-by: Eric Yang <eric.yang2@xxxxxxx>
Acked-by: Harry Wentland <harry.wentland@xxxxxxx>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
---
.../gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
index ffed7207c099..7ae4c06232dd 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
@@ -59,14 +59,16 @@ int rn_get_active_display_cnt_wa(
struct dc_state *context)
{
int i, display_count;
- bool hdmi_present = false;
+ bool tmds_present = false;
display_count = 0;
for (i = 0; i < context->stream_count; i++) {
const struct dc_stream_state *stream = context->streams[i];
- if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A)
- hdmi_present = true;
+ if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A ||
+ stream->signal == SIGNAL_TYPE_DVI_SINGLE_LINK ||
+ stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK)
+ tmds_present = true;
}
for (i = 0; i < dc->link_count; i++) {
@@ -85,7 +87,7 @@ int rn_get_active_display_cnt_wa(
}
/* WA for hang on HDMI after display off back back on*/
- if (display_count == 0 && hdmi_present)
+ if (display_count == 0 && tmds_present)
display_count = 1;
return display_count;
--
2.24.1
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