[PATCH i-g-t 2/5] lib/monitor_edids: Add helper to get an EDID by its name

[Louis Chauvet]

For testing specific EDID, it is useful to be able to retrieve an EDID by
a verbose name.

Signed-off-by: Louis Chauvet <louis.chauvet at bootlin.com>
---
 lib/monitor_edids/dp_edids.h             |  3 +++
 lib/monitor_edids/hdmi_edids.h           |  3 +++
 lib/monitor_edids/monitor_edids_helper.c | 21 +++++++++++++++++++++
 lib/monitor_edids/monitor_edids_helper.h |  1 +
 4 files changed, 28 insertions(+)

diff --git a/lib/monitor_edids/dp_edids.h b/lib/monitor_edids/dp_edids.h
index 144907558be1..d11a81d167fc 100644
--- a/lib/monitor_edids/dp_edids.h
+++ b/lib/monitor_edids/dp_edids.h
@@ -194,4 +194,7 @@ monitor_edid DP_EDIDS_NON_4K[] = {
 
  };
 
+const int DP_EDID_NON_4K_COUNT = ARRAY_SIZE(DP_EDIDS_NON_4K);
+const int DP_EDID_4K_COUNT = ARRAY_SIZE(DP_EDIDS_4K);
+
 #endif /* TESTS_CHAMELIUM_MONITOR_EDIDS_DP_EDIDS_H_ */
diff --git a/lib/monitor_edids/hdmi_edids.h b/lib/monitor_edids/hdmi_edids.h
index 9d75cfa989b6..573e2149d5d3 100644
--- a/lib/monitor_edids/hdmi_edids.h
+++ b/lib/monitor_edids/hdmi_edids.h
@@ -604,4 +604,7 @@ monitor_edid HDMI_EDIDS_NON_4K[] = {
 		  "1620582c2500baac4200009e0000006b" },
 };
 
+const int HDMI_EDID_4K_COUNT = ARRAY_SIZE(HDMI_EDIDS_4K);
+const int HDMI_EDID_NON_4K_COUNT = ARRAY_SIZE(HDMI_EDIDS_NON_4K);
+
 #endif /* TESTS_CHAMELIUM_MONITOR_EDIDS_HDMI_EDIDS_H_ */
diff --git a/lib/monitor_edids/monitor_edids_helper.c b/lib/monitor_edids/monitor_edids_helper.c
index 0e0c2a9badcf..0f92ced64d06 100644
--- a/lib/monitor_edids/monitor_edids_helper.c
+++ b/lib/monitor_edids/monitor_edids_helper.c
@@ -19,6 +19,16 @@
 #include "dp_edids.h"
 #include "hdmi_edids.h"
 
+struct {
+	struct monitor_edid *edid_list;
+	int list_size;
+} ALL_EDIDS[] = {
+	{DP_EDIDS_NON_4K,	DP_EDID_NON_4K_COUNT},
+	{DP_EDIDS_4K,		DP_EDID_4K_COUNT},
+	{HDMI_EDIDS_NON_4K,	HDMI_EDID_NON_4K_COUNT},
+	{HDMI_EDIDS_4K,		HDMI_EDID_4K_COUNT},
+};
+
 static uint8_t convert_hex_char_to_byte(char c)
 {
 	if (c >= '0' && c <= '9')
@@ -149,3 +159,14 @@ struct monitor_edid *get_edids_for_connector_type(uint32_t type, size_t *count,
 		}
 	}
 }
+
+struct edid *get_edid_by_name(char *name)
+{
+	for (int i = 0; i < ARRAY_SIZE(ALL_EDIDS); i++) {
+		for (int j = 0; j < ALL_EDIDS[i].list_size; j++) {
+			if (strcmp(ALL_EDIDS[i].edid_list[j].name, name) == 0)
+				return edid_from_monitor_edid(&ALL_EDIDS[i].edid_list[j]);
+		}
+	}
+	return NULL;
+}
diff --git a/lib/monitor_edids/monitor_edids_helper.h b/lib/monitor_edids/monitor_edids_helper.h
index 2ec7aee5f13f..cd0e5a7b2645 100644
--- a/lib/monitor_edids/monitor_edids_helper.h
+++ b/lib/monitor_edids/monitor_edids_helper.h
@@ -34,5 +34,6 @@ void free_chamelium_edid_from_monitor_edid(struct chamelium_edid *edid);
 
 struct edid *edid_from_monitor_edid(const monitor_edid *monitor_edid);
 struct monitor_edid *get_edids_for_connector_type(uint32_t type, size_t *count, bool four_k);
+struct edid *get_edid_by_name(char *name);
 
 #endif /* TESTS_CHAMELIUM_MONITOR_EDIDS_MONITOR_EDIDS_HELPER_H_ */
\ No newline at end of file

-- 
2.44.2