From: Peter Jones <pjo...@redhat.com> Add debug information to EFI GOP video driver probing function.
Signed-off-by: Peter Jones <pjo...@redhat.com> Signed-off-by: Javier Martinez Canillas <javi...@redhat.com> --- grub-core/video/efi_gop.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/grub-core/video/efi_gop.c b/grub-core/video/efi_gop.c index c9e40e8d4e9..be446f8d291 100644 --- a/grub-core/video/efi_gop.c +++ b/grub-core/video/efi_gop.c @@ -71,7 +71,10 @@ check_protocol (void) handles = grub_efi_locate_handle (GRUB_EFI_BY_PROTOCOL, &graphics_output_guid, NULL, &num_handles); if (!handles || num_handles == 0) - return 0; + { + grub_dprintf ("video", "GOP: no handles\n"); + return 0; + } for (i = 0; i < num_handles; i++) { @@ -81,6 +84,7 @@ check_protocol (void) grub_video_gop_iterate (check_protocol_hook, &have_usable_mode); if (have_usable_mode) { + grub_dprintf ("video", "GOP: found usable mode\n"); grub_free (handles); return 1; } @@ -89,6 +93,8 @@ check_protocol (void) gop = 0; gop_handle = 0; + grub_dprintf ("video", "GOP: no usable mode\n"); + return 0; } -- 2.24.1 _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel