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Allow detecting fallback video modes.

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This commit is contained in:
Jonas 'Sortie' Termansen 2016-08-26 15:38:21 +02:00
parent c1e66b168b
commit 3fc09c3941
2 changed files with 3 additions and 2 deletions
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3
kernel/include/sortix/display.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2012, 2014 Jonas 'Sortie' Termansen.
* Copyright (c) 2012, 2014, 2016 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@ -32,6 +32,7 @@ extern "C" {
static const uint32_t DISPMSG_CONTROL_VALID = 1 << 0;
static const uint32_t DISPMSG_CONTROL_VGA = 1 << 1;
static const uint32_t DISPMSG_CONTROL_OTHER_RESOLUTIONS = 1 << 2;
static const uint32_t DISPMSG_CONTROL_FALLBACK = 1 << 3;
struct dispmsg_string
{

2
kernel/video.cpp
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@ -222,7 +222,7 @@ static struct dispmsg_crtc_mode GetLogFallbackMode()
{
struct dispmsg_crtc_mode mode;
memset(&mode, 0, sizeof(mode));
mode.control = DISPMSG_CONTROL_VALID;
mode.control = DISPMSG_CONTROL_VALID | DISPMSG_CONTROL_FALLBACK;
mode.fb_format = Log::fallback_framebuffer_bpp;
mode.view_xres = (uint32_t) Log::fallback_framebuffer_width;
mode.view_yres = (uint32_t) Log::fallback_framebuffer_height;