From: Alvin Lee <alvin.lee2@xxxxxxx>
[Description]
Add new interface for notifying OS of cursor support changes
Reviewed-by: Aric Cyr <aric.cyr@xxxxxxx>
Acked-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx>
Signed-off-by: Alvin Lee <alvin.lee2@xxxxxxx>
---
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 7cac14f493f6..dfd31b169412 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 eadb53853131..0b704f1a32a6 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -908,6 +908,14 @@ 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;
@@ -2276,6 +2284,8 @@ 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"
--
2.41.0
