From 17e349e6841b7b6f259d4ef318aaea3860052539 Mon Sep 17 00:00:00 2001 From: Alvin Lee Date: Tue, 18 Jul 2023 17:39:08 -0400 Subject: [PATCH] drm/amd/display: Implement interface for notify cursor support change [Description] Add new interface for notifying OS of cursor support changes Reviewed-by: Aric Cyr Acked-by: Aurabindo Pillai Signed-off-by: Alvin Lee Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc.c | 14 ++++++++++++++ drivers/gpu/drm/amd/display/dc/dc.h | 10 ++++++++++ 2 files changed, 24 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 7cac14f..dfd31b1 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -5337,3 +5337,17 @@ bool dc_abm_save_restore( return false; } +void dc_query_current_properties(struct dc *dc, struct dc_current_properties *properties) +{ + unsigned int i; + bool subvp_in_use = false; + + for (i = 0; i < dc->current_state->stream_count; i++) { + if (dc->current_state->streams[i]->mall_stream_config.type != SUBVP_NONE) { + subvp_in_use = true; + break; + } + } + properties->cursor_size_limit = subvp_in_use ? 64 : dc->caps.max_cursor_size; +} + diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index d16e310..5df08cb 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -910,6 +910,14 @@ struct dc_debug_options { }; struct gpu_info_soc_bounding_box_v1_0; + +/* Generic structure that can be used to query properties of DC. More fields + * can be added as required. + */ +struct dc_current_properties { + unsigned int cursor_size_limit; +}; + struct dc { struct dc_debug_options debug; struct dc_versions versions; @@ -2280,6 +2288,8 @@ void dc_process_dmub_dpia_hpd_int_enable(const struct dc *dc, void dc_print_dmub_diagnostic_data(const struct dc *dc); +void dc_query_current_properties(struct dc *dc, struct dc_current_properties *properties); + /* DSC Interfaces */ #include "dc_dsc.h" -- 2.7.4