From: Jan Beulich Date: Thu, 9 Feb 2012 03:33:51 +0000 (+0800) Subject: xen/vga: add the xen EFI video mode support X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=aa387d630cfed1a694a9c8c61fba3877ba8d4f07;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git xen/vga: add the xen EFI video mode support In order to add xen EFI frambebuffer video support, it is required to add xen-efi's new video type (XEN_VGATYPE_EFI_LFB) case and handle it in the function xen_init_vga and set the video type to VIDEO_TYPE_EFI to enable efi video mode. The original patch from which this was broken out from: http://marc.info/?i=4E099AA6020000780004A4C6@nat28.tlf.novell.com Signed-off-by: Jan Beulich Signed-off-by: Tang Liang [v2: The original author is Jan Beulich and Liang Tang ported it to upstream] Signed-off-by: Konrad Rzeszutek Wilk --- diff --git a/arch/x86/xen/vga.c b/arch/x86/xen/vga.c index 1cd7f4d11e2..6722e3733f0 100644 --- a/arch/x86/xen/vga.c +++ b/arch/x86/xen/vga.c @@ -35,6 +35,7 @@ void __init xen_init_vga(const struct dom0_vga_console_info *info, size_t size) info->u.text_mode_3.font_height; break; + case XEN_VGATYPE_EFI_LFB: case XEN_VGATYPE_VESA_LFB: if (size < offsetof(struct dom0_vga_console_info, u.vesa_lfb.gbl_caps)) @@ -54,6 +55,12 @@ void __init xen_init_vga(const struct dom0_vga_console_info *info, size_t size) screen_info->blue_pos = info->u.vesa_lfb.blue_pos; screen_info->rsvd_size = info->u.vesa_lfb.rsvd_size; screen_info->rsvd_pos = info->u.vesa_lfb.rsvd_pos; + + if (info->video_type == XEN_VGATYPE_EFI_LFB) { + screen_info->orig_video_isVGA = VIDEO_TYPE_EFI; + break; + } + if (size >= offsetof(struct dom0_vga_console_info, u.vesa_lfb.gbl_caps) + sizeof(info->u.vesa_lfb.gbl_caps)) diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h index 1e0df6b7d3b..886a5d80a18 100644 --- a/include/xen/interface/xen.h +++ b/include/xen/interface/xen.h @@ -454,6 +454,7 @@ struct dom0_vga_console_info { uint8_t video_type; #define XEN_VGATYPE_TEXT_MODE_3 0x03 #define XEN_VGATYPE_VESA_LFB 0x23 +#define XEN_VGATYPE_EFI_LFB 0x70 union { struct {