diff options
| author | Michael Strauss <michael.strauss@amd.com> | 2019-12-13 19:52:24 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-01-16 22:11:39 +0300 |
| commit | 95e0b96d84b44663f6b2b8bf1c81b3bfbfdb8f38 (patch) | |
| tree | 4d643dddd711d3069194de7599e2b499985a34ae /drivers/gpu/drm/amd/display/dc/clk_mgr | |
| parent | 30c9b7a1339bd194c63e0b4412037bd577248864 (diff) | |
| download | linux-95e0b96d84b44663f6b2b8bf1c81b3bfbfdb8f38.tar.xz | |
drm/amd/display: Update HDMI hang w/a to apply to all TMDS signals
[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@amd.com>
Reviewed-by: Eric Yang <eric.yang2@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 10 |
1 files 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; |