Attachment 194623 Details for Bug 229235 – proposed patch #1

[patch] proposed patch #1

file_229235.txt (text/plain), 1.27 KB, created by Roger Pau Monné on 2018-06-25 07:05:54 UTC

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Creator: Roger Pau Monné

Created: 2018-06-25 07:05:54 UTC

Size: 1.27 KB

patch

obsolete

>diff --git a/share/man/man4/vt.4 b/share/man/man4/vt.4
>index 489ed31f61d4..4b9e87c2e8b6 100644
>--- a/share/man/man4/vt.4
>+++ b/share/man/man4/vt.4
>@@ -44,6 +44,7 @@
> In
> .Xr loader.conf 5 :
> .Cd hw.vga.textmode=1
>+.Cd hw.vga.acpi_ignore_no_vga=1
> .Cd kern.vty=vt
> .Cd kern.vt.color.<colornum>.rgb="<colorspec>"
> .Cd kern.vt.fb.default_mode="<X>x<Y>"
>@@ -196,6 +197,10 @@ prompt or in
> Set to 1 to use virtual terminals in text mode instead of graphics mode.
> Features that require graphics mode, like loadable fonts, will be
> disabled.
>+.It Va hw.vga.acpi_ignore_no_vga
>+Set to 1 to force the usage of the VGA driver regardless of whether
>+ACPI IAPC_BOOT_ARCH signals no VGA support.
>+Can be used to workaround firmware bugs in the ACPI tables.
> .It Va kern.vty
> Set this value to
> .Ql vt
>diff --git a/sys/dev/vt/hw/vga/vt_vga.c b/sys/dev/vt/hw/vga/vt_vga.c
>index daf53df8538d..a30e0101b5cb 100644
>--- a/sys/dev/vt/hw/vga/vt_vga.c
>+++ b/sys/dev/vt/hw/vga/vt_vga.c
>@@ -1217,6 +1217,12 @@ vga_acpi_disabled(void)
> 	ACPI_TABLE_FADT *fadt;
> 	vm_paddr_t physaddr;
> 	uint16_t flags;
>+	int ignore;
>+
>+	TUNABLE_INT_FETCH("hw.vga.acpi_ignore_no_vga", &ignore);
>+
>+	if (ignore)
>+	    return (false);
> 
> 	physaddr = acpi_find_table(ACPI_SIG_FADT);
> 	if (physaddr == 0)

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Attachments on bug 229235: 194555 | 194623