[igt-dev] [PATCH] lib/igt_kms.c igt_kms.h: tile property parser

[Madhumitha Tolakanahalli Pradeep]

The tile property parser parses the connector tile property obtained
from connector's Display ID block and set per connector.

Cc: Manasi Navare <manasi.d.navare at intel.com>
Cc: Petri Latvala <petri.latvala at intel.com>
Signed-off-by: Madhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep at intel.com>
---
 lib/igt_kms.c | 26 ++++++++++++++++++++++++++
 lib/igt_kms.h | 11 +++++++++++
 2 files changed, 37 insertions(+)

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 175e71c3..846314de 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -4511,3 +4511,29 @@ bool igt_display_has_format_mod(igt_display_t *display, uint32_t format,
 
 	return false;
 }
+
+/**
+ * igt_parse_connector_tile_blob:
+ * @blob: pointer to the connector's tile properties
+ * @tile: pointer to tile structure that is populated by the function
+ *
+ * Parses the connector tile blob to extract the tile information
+ *
+ */
+
+void igt_parse_connector_tile_blob(drmModePropertyBlobPtr blob,
+				igt_tile_info_t * tile)
+{
+	char * blob_data = blob->data;
+
+	if(blob) {
+		tile->tile_group_id = atoi(strtok(blob_data, ":"));
+		tile->tile_is_single_monitor = atoi(strtok(NULL, ":"));
+		tile->num_h_tile = atoi(strtok(NULL, ":"));
+		tile->num_v_tile = atoi(strtok(NULL, ":"));
+		tile->tile_h_loc = atoi(strtok(NULL, ":"));
+		tile->tile_v_loc = atoi(strtok(NULL, ":"));
+		tile->tile_h_size = atoi(strtok(NULL, ":"));
+		tile->tile_v_size = atoi(strtok(NULL, ":"));
+	}
+}
diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index 0486737b..08483505 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -387,6 +387,14 @@ struct igt_display {
 	int format_mod_count;
 };
 
+typedef struct {
+	int tile_group_id;
+	bool tile_is_single_monitor;
+	uint8_t num_h_tile, num_v_tile;
+	uint8_t tile_h_loc, tile_v_loc;
+	uint16_t tile_h_size, tile_v_size;
+} igt_tile_info_t;
+
 void igt_display_require(igt_display_t *display, int drm_fd);
 void igt_display_fini(igt_display_t *display);
 void igt_display_reset(igt_display_t *display);
@@ -835,4 +843,7 @@ static inline bool igt_vblank_before(uint32_t a, uint32_t b)
 	return igt_vblank_after(b, a);
 }
 
+void igt_parse_connector_tile_blob(drmModePropertyBlobPtr blob,
+			igt_tile_info_t * tile);
+
 #endif /* __IGT_KMS_H__ */
-- 
2.17.1