1cbe67557f
- Prefer a higher resolution in efi_gop driver if the mode taking over is too small like 640x480 (bnc#887972): grub2-efi_gop-avoid-low-resolution.patch OBS-URL: https://build.opensuse.org/request/show/242829 OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=99
40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
---
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grub-core/video/efi_gop.c | 11 ++++++++++-
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1 file changed, 10 insertions(+), 1 deletion(-)
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--- a/grub-core/video/efi_gop.c
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+++ b/grub-core/video/efi_gop.c
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@@ -358,6 +358,7 @@ grub_video_gop_setup (unsigned int width
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grub_err_t err;
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unsigned bpp;
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int found = 0;
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+ int avoid_low_resolution = 1;
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unsigned long long best_volume = 0;
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unsigned int preferred_width = 0, preferred_height = 0;
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grub_uint8_t *buffer;
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@@ -376,8 +377,11 @@ grub_video_gop_setup (unsigned int width
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}
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}
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+again:
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/* Keep current mode if possible. */
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- if (gop->mode->info)
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+ if (gop->mode->info &&
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+ (!avoid_low_resolution ||
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+ (gop->mode->info->width >= 800 && gop->mode->info->height >= 600)))
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{
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bpp = grub_video_gop_get_bpp (gop->mode->info);
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if (bpp && ((width == gop->mode->info->width
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@@ -450,6 +454,11 @@ grub_video_gop_setup (unsigned int width
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if (!found)
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{
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+ if (avoid_low_resolution && gop->mode->info)
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+ {
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+ avoid_low_resolution = 0;
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+ goto again;
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+ }
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grub_dprintf ("video", "GOP: no mode found\n");
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return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "no matching mode found");
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}
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