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| author | Agustin Gutierrez <agustin.gutierrez@amd.com> | 2023-02-21 16:08:15 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-03-07 14:22:40 -0500 |
| commit | 2b02d746c1818baf741f4eeeff9b97ab4b81e1cf (patch) | |
| tree | 5ee29541fd02337622bde9ceabbd38ed851ebe03 /drivers/gpu/drm/amd/display/dc | |
| parent | 34fd6df7886989019d4f6996da2d2edfde5bcd34 (diff) | |
| download | linux-stable-2b02d746c1818baf741f4eeeff9b97ab4b81e1cf.tar.gz linux-stable-2b02d746c1818baf741f4eeeff9b97ab4b81e1cf.tar.bz2 linux-stable-2b02d746c1818baf741f4eeeff9b97ab4b81e1cf.zip | |
drm/amd/display: Keep PHY active for dp config
[Why]
Current hotplug sequence causes temporary hang at the re-entry of the
optimized power state.
[How]
Keep a PHY active when detecting DP signal + DPMS active
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c index 89df7244b272..5cb44f838bde 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c @@ -108,6 +108,11 @@ static int dcn314_get_active_display_cnt_wa( stream->signal == SIGNAL_TYPE_DVI_SINGLE_LINK || stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK) tmds_present = true; + + /* Checking stream / link detection ensuring that PHY is active*/ + if (dc_is_dp_signal(stream->signal) && !stream->dpms_off) + display_count++; + } for (i = 0; i < dc->link_count; i++) { |