From: Eric Yang <[email protected]> [Why] Send stream active state info to DMUB
[How] Implement GPINT to notify stream mask Signed-off-by: Eric Yang <[email protected]> Acked-by: Aurabindo Pillai <[email protected]> --- drivers/gpu/drm/amd/display/dc/core/dc.c | 18 ++++++++++++++++++ drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 16 ++++++++++++++++ drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h | 2 ++ .../gpu/drm/amd/display/dc/inc/core_types.h | 1 + 4 files changed, 37 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index ce5303c76b11..1190c58275c3 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1246,6 +1246,19 @@ void dc_trigger_sync(struct dc *dc, struct dc_state *context) } } +static uint8_t get_stream_mask(struct dc *dc, struct dc_state *context) +{ + int i; + unsigned int stream_mask = 0; + + for (i = 0; i < dc->res_pool->pipe_count; i++) { + if (context->res_ctx.pipe_ctx[i].stream) + stream_mask |= 1 << i; + } + + return stream_mask; +} + /* * Applies given context to HW and copy it into current context. * It's up to the user to release the src context afterwards. @@ -1362,6 +1375,11 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c dc->hwss.optimize_bandwidth(dc, context); } + context->stream_mask = get_stream_mask(dc, context); + + if (context->stream_mask != dc->current_state->stream_mask) + dc_dmub_srv_notify_stream_mask(dc->ctx->dmub_srv, context->stream_mask); + for (i = 0; i < context->stream_count; i++) context->streams[i]->mode_changed = false; diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c index eea2429ac67d..b98754811977 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -132,3 +132,19 @@ void dc_dmub_srv_wait_phy_init(struct dc_dmub_srv *dc_dmub_srv) /* Continue spinning so we don't hang the ASIC. */ } } + +bool dc_dmub_srv_notify_stream_mask(struct dc_dmub_srv *dc_dmub_srv, + unsigned int stream_mask) +{ + struct dmub_srv *dmub; + const uint32_t timeout = 30; + + if (!dc_dmub_srv || !dc_dmub_srv->dmub) + return false; + + dmub = dc_dmub_srv->dmub; + + return dmub_srv_send_gpint_command( + dmub, DMUB_GPINT__IDLE_OPT_NOTIFY_STREAM_MASK, + stream_mask, timeout) == DMUB_STATUS_OK; +} diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h index a3a09ccb6d26..bb4ab61887e4 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h @@ -56,4 +56,6 @@ void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv); void dc_dmub_srv_wait_phy_init(struct dc_dmub_srv *dc_dmub_srv); +bool dc_dmub_srv_notify_stream_mask(struct dc_dmub_srv *dc_dmub_srv, + unsigned int stream_mask); #endif /* _DMUB_DC_SRV_H_ */ diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h index 3ec1d9dd1670..1daa563c8ff4 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h +++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h @@ -397,6 +397,7 @@ struct dc_state { struct dc_stream_state *streams[MAX_PIPES]; struct dc_stream_status stream_status[MAX_PIPES]; uint8_t stream_count; + uint8_t stream_mask; struct resource_context res_ctx; -- 2.25.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
