diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c index 27d407a9b452..06e73ce45ed0 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c @@ -36,6 +36,31 @@ #include "dcn10/rv2_clk_mgr.h" #include "dcn20/dcn20_clk_mgr.h" + +int clk_mgr_helper_get_active_display_cnt( + struct dc *dc, + struct dc_state *context) +{ + int i, display_count; + + display_count = 0; + for (i = 0; i < context->stream_count; i++) { + const struct dc_stream_state *stream = context->streams[i]; + + /* + * Only notify active stream or virtual stream. + * Need to notify virtual stream to work around + * headless case. HPD does not fire when system is in + * S0i2. + */ + if (!stream->dpms_off || stream->signal == SIGNAL_TYPE_VIRTUAL) + display_count++; + } + + return display_count; +} + + struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *pp_smu, struct dccg *dccg) { struct hw_asic_id asic_id = ctx->asic_id; |