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dd GOP mode listing

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-09-03 22:50:27 +02:00
parent 03199f1909
commit 30d71dbced
1 changed files with 40 additions and 3 deletions
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43
grub-core/video/efi_gop.c
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@ -127,9 +127,11 @@ grub_video_gop_get_bitmask (grub_uint32_t mask, unsigned int *mask_size,
}
static grub_err_t
grub_video_gop_fill_mode_info (struct grub_efi_gop_mode_info *in,
grub_video_gop_fill_mode_info (unsigned mode,
struct grub_efi_gop_mode_info *in,
struct grub_video_mode_info *out)
{
out->mode_number = mode;
out->number_of_colors = 256;
out->width = in->width;
out->height = in->height;
@ -183,6 +185,39 @@ grub_video_gop_fill_mode_info (struct grub_efi_gop_mode_info *in,
return GRUB_ERR_NONE;
}
static int
grub_video_gop_iterate (int (*hook) (const struct grub_video_mode_info *info))
{
unsigned mode;
for (mode = 0; mode < gop->mode->max_mode; mode++)
{
grub_efi_uintn_t size;
grub_efi_status_t status;
struct grub_efi_gop_mode_info *info = NULL;
grub_err_t err;
struct grub_video_mode_info mode_info;
status = efi_call_4 (gop->query_mode, gop, mode, &size, &info);
if (status)
{
info = 0;
continue;
}
err = grub_video_gop_fill_mode_info (mode, info, &mode_info);
if (err)
{
grub_errno = GRUB_ERR_NONE;
continue;
}
if (hook (&mode_info))
return 1;
}
return 0;
}
static grub_err_t
grub_video_gop_setup (unsigned int width, unsigned int height,
unsigned int mode_type, unsigned int mode_mask __attribute__ ((unused)))
@ -226,7 +261,7 @@ grub_video_gop_setup (unsigned int width, unsigned int height,
if (status)
{
info = 0;
break;
continue;
}
grub_dprintf ("video", "GOP: mode %d: %dx%d\n", mode, info->width,
@ -281,7 +316,8 @@ grub_video_gop_setup (unsigned int width, unsigned int height,
info = gop->mode->info;
err = grub_video_gop_fill_mode_info (info, &framebuffer.mode_info);
err = grub_video_gop_fill_mode_info (gop->mode->mode, info,
&framebuffer.mode_info);
if (err)
{
grub_dprintf ("video", "GOP: couldn't fill mode info\n");
@ -379,6 +415,7 @@ static struct grub_video_adapter grub_video_gop_adapter =
.delete_render_target = grub_video_fb_delete_render_target,
.set_active_render_target = grub_video_gop_set_active_render_target,
.get_active_render_target = grub_video_fb_get_active_render_target,
.iterate = grub_video_gop_iterate,
.next = 0
};