vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

move more EDID-handling functions to generic code, and make videoinfo display EDID information

Browse source
This commit is contained in:
Colin Watson 2010-12-14 18:03:34 +00:00
parent 25d884a52a
commit 129185cfaa
5 changed files with 108 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

31
grub-core/commands/videoinfo.c
View file

@ -77,6 +77,30 @@ hook (const struct grub_video_mode_info *info)
return 0;
}
static void
print_edid (struct grub_video_edid_info *edid_info)
{
unsigned int edid_width, edid_height;
if (grub_video_edid_checksum (edid_info))
{
grub_printf (" EDID checksum invalid\n");
grub_errno = GRUB_ERR_NONE;
return;
}
grub_printf (" EDID version: %u.%u\n",
edid_info->version, edid_info->revision);
if (grub_video_edid_preferred_mode (edid_info, &edid_width, &edid_height)
== GRUB_ERR_NONE)
grub_printf (" Preferred mode: %ux%u\n", edid_width, edid_height);
else
{
grub_printf (" No preferred mode available\n");
grub_errno = GRUB_ERR_NONE;
}
}
static grub_err_t
grub_cmd_videoinfo (grub_command_t cmd __attribute__ ((unused)),
int argc, char **args)
@ -120,6 +144,8 @@ grub_cmd_videoinfo (grub_command_t cmd __attribute__ ((unused)),
FOR_VIDEO_ADAPTERS (adapter)
{
struct grub_video_edid_info edid_info;
grub_printf ("Adapter '%s':\n", adapter->name);
if (!adapter->iterate)
@ -143,6 +169,11 @@ grub_cmd_videoinfo (grub_command_t cmd __attribute__ ((unused)),
adapter->iterate (hook);
if (adapter->get_edid (&edid_info) == GRUB_ERR_NONE)
print_edid (&edid_info);
else
grub_errno = GRUB_ERR_NONE;
if (adapter->id != id)
{
if (adapter->fini ())