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monitor: Add getter for EDID MD5 checksum

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Will be used for colord device matching.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2141>
This commit is contained in:
Jonas Ådahl 2021-10-26 11:27:56 +02:00 committed by Marge Bot
parent 15bbded86b
commit 8446cd9f4f
4 changed files with 21 additions and 1 deletions
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9
src/backends/meta-monitor.c
View File

@ -473,6 +473,15 @@ meta_monitor_get_serial (MetaMonitor *monitor)
return output_info->serial;
}
const char *
meta_monitor_get_edid_checksum_md5 (MetaMonitor *monitor)
{
const MetaOutputInfo *output_info =
meta_monitor_get_main_output_info (monitor);
return output_info->edid_checksum_md5;
}
MetaConnectorType
meta_monitor_get_connector_type (MetaMonitor *monitor)
{

2
src/backends/meta-monitor.h
View File

@ -155,6 +155,8 @@ const char * meta_monitor_get_product (MetaMonitor *monitor);
META_EXPORT_TEST
const char * meta_monitor_get_serial (MetaMonitor *monitor);
const char * meta_monitor_get_edid_checksum_md5 (MetaMonitor *monitor);
META_EXPORT_TEST
MetaConnectorType meta_monitor_get_connector_type (MetaMonitor *monitor);

8
src/backends/meta-output.c
View File

@ -94,6 +94,7 @@ meta_output_info_unref (MetaOutputInfo *output_info)
g_free (output_info->vendor);
g_free (output_info->product);
g_free (output_info->serial);
g_free (output_info->edid_checksum_md5);
g_free (output_info->modes);
g_free (output_info->possible_crtcs);
g_free (output_info->possible_clones);
@ -310,11 +311,16 @@ meta_output_info_parse_edid (MetaOutputInfo *output_info,
{
MetaEdidInfo *parsed_edid;
size_t len;
gconstpointer data;
if (!edid)
goto out;
parsed_edid = meta_edid_info_new_parse (g_bytes_get_data (edid, &len));
data = g_bytes_get_data (edid, &len);
parsed_edid = meta_edid_info_new_parse (data);
output_info->edid_checksum_md5 = g_compute_checksum_for_data (G_CHECKSUM_MD5,
data, len);
if (parsed_edid)
{

3
src/backends/meta-output.h
View File

@ -84,6 +84,9 @@ typedef struct _MetaOutputInfo
char *vendor;
char *product;
char *serial;
char *edid_checksum_md5;
int width_mm;
int height_mm;
CoglSubpixelOrder subpixel_order;