diff options
Diffstat (limited to 'efi-bgrt-acpi6.2-support.patch')
| -rw-r--r-- | efi-bgrt-acpi6.2-support.patch | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/efi-bgrt-acpi6.2-support.patch b/efi-bgrt-acpi6.2-support.patch deleted file mode 100644 index 753c93577..000000000 --- a/efi-bgrt-acpi6.2-support.patch +++ /dev/null @@ -1,82 +0,0 @@ -From 240090cb2d72f5de98f8fc2e3aa27803cab378b2 Mon Sep 17 00:00:00 2001 -From: Hans de Goede <hdegoede@redhat.com> -Date: Wed, 29 May 2019 14:50:17 +0200 -Subject: [PATCH] efi/bgrt: Drop BGRT status field reserved bits check - -Starting with ACPI 6.2 bits 1 and 2 of the BGRT status field are no longer -reserved. These bits are now used to indicate if the image needs to be -rotated before being displayed. - -The first device using these bits has now shown up (the GPD MicroPC) and -the reserved bits check causes us to reject the valid BGRT table on this -device. - -Rather then changing the reserved bits check, allowing only the 2 new bits, -instead just completely remove it so that we do not end up with a similar -problem when more bits are added in the future. - -Signed-off-by: Hans de Goede <hdegoede@redhat.com> ---- - drivers/firmware/efi/efi-bgrt.c | 5 ----- - 1 file changed, 5 deletions(-) - -diff --git a/drivers/firmware/efi/efi-bgrt.c b/drivers/firmware/efi/efi-bgrt.c -index a2384184a7de..b07c17643210 100644 ---- a/drivers/firmware/efi/efi-bgrt.c -+++ b/drivers/firmware/efi/efi-bgrt.c -@@ -47,11 +47,6 @@ void __init efi_bgrt_init(struct acpi_table_header *table) - bgrt->version); - goto out; - } -- if (bgrt->status & 0xfe) { -- pr_notice("Ignoring BGRT: reserved status bits are non-zero %u\n", -- bgrt->status); -- goto out; -- } - if (bgrt->image_type != 0) { - pr_notice("Ignoring BGRT: invalid image type %u (expected 0)\n", - bgrt->image_type); --- -2.21.0 - -From 8f8d779bd966ef8af2279906772dec322220e73a Mon Sep 17 00:00:00 2001 -From: Hans de Goede <hdegoede@redhat.com> -Date: Wed, 29 May 2019 15:44:09 +0200 -Subject: [PATCH] efifb: BGRT: Add check for new BGRT status field rotation - bits - -Starting with ACPI 6.2 bits 1 and 2 of the BGRT status field are no longer -reserved. These bits are now used to indicate if the image needs to be -rotated before being displayed. - -The efifb code does not support rotating the image before copying it to -the screen. - -This commit adds a check for these new bits and if they are set leaves the -fb contents as is instead of trying to use the un-rotated BGRT image. - -Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> -Signed-off-by: Hans de Goede <hdegoede@redhat.com> ---- - drivers/video/fbdev/efifb.c | 5 +++++ - 1 file changed, 5 insertions(+) - -diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c -index 9f39f0c360e0..dfa8dd47d19d 100644 ---- a/drivers/video/fbdev/efifb.c -+++ b/drivers/video/fbdev/efifb.c -@@ -169,6 +169,11 @@ static void efifb_show_boot_graphics(struct fb_info *info) - return; - } - -+ if (bgrt_tab.status & 0x06) { -+ pr_info("efifb: BGRT rotation bits set, not showing boot graphics\n"); -+ return; -+ } -+ - /* Avoid flashing the logo if we're going to print std probe messages */ - if (console_loglevel > CONSOLE_LOGLEVEL_QUIET) - return; --- -2.21.0 - |