diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2015-07-06 16:31:36 +0800 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-07-14 18:03:19 -0600 |
| commit | a452002259e172c93277dbe5752817e0732afe78 (patch) | |
| tree | ebe93096ea5998bd0ec106eccac80cf24214b06e /drivers/pci | |
| parent | 7aaff9bf81b17b7920826f99a17eae7659292f5c (diff) | |
x86: Configure VESA parameters before loading Linux kernel
Store VESA parameters to Linux setup header so that vesafb driver
in the kernel could work.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Jian Luo <jian.luo4@boschrexroth.de>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci_rom.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c index dd7fd953ca..e7f995971c 100644 --- a/drivers/pci/pci_rom.c +++ b/drivers/pci/pci_rom.c @@ -31,6 +31,7 @@ #include <pci_rom.h> #include <vbe.h> #include <video_fb.h> +#include <linux/screen_info.h> #ifdef CONFIG_HAVE_ACPI_RESUME #include <asm/acpi.h> @@ -230,6 +231,33 @@ int vbe_get_video_info(struct graphic_device *gdev) #endif } +void setup_video(struct screen_info *screen_info) +{ +#ifdef CONFIG_FRAMEBUFFER_SET_VESA_MODE + struct vesa_mode_info *vesa = &mode_info.vesa; + + screen_info->orig_video_isVGA = VIDEO_TYPE_VLFB; + + screen_info->lfb_width = vesa->x_resolution; + screen_info->lfb_height = vesa->y_resolution; + screen_info->lfb_depth = vesa->bits_per_pixel; + screen_info->lfb_linelength = vesa->bytes_per_scanline; + screen_info->lfb_base = vesa->phys_base_ptr; + screen_info->lfb_size = + ALIGN(screen_info->lfb_linelength * screen_info->lfb_height, + 65536); + screen_info->lfb_size >>= 16; + screen_info->red_size = vesa->red_mask_size; + screen_info->red_pos = vesa->red_mask_pos; + screen_info->green_size = vesa->green_mask_size; + screen_info->green_pos = vesa->green_mask_pos; + screen_info->blue_size = vesa->blue_mask_size; + screen_info->blue_pos = vesa->blue_mask_pos; + screen_info->rsvd_size = vesa->reserved_mask_size; + screen_info->rsvd_pos = vesa->reserved_mask_pos; +#endif +} + int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), int exec_method) { struct pci_rom_header *rom, *ram; |