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[Xen-devel] [PATCH 15/18] efi: create efi_set_gop_mode()



..which sets chosen GOP mode. We need this to support
multiboot2 protocol on EFI platforms.

Signed-off-by: Daniel Kiper <daniel.kiper@xxxxxxxxxx>
---
 xen/common/efi/boot.c |   35 +++++++++++++++++++++--------------
 1 file changed, 21 insertions(+), 14 deletions(-)

diff --git a/xen/common/efi/boot.c b/xen/common/efi/boot.c
index 2379022..63c930d 100644
--- a/xen/common/efi/boot.c
+++ b/xen/common/efi/boot.c
@@ -845,6 +845,25 @@ static void __init efi_variables(void)
     }
 }
 
+static void __init efi_set_gop_mode(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop, UINTN 
gop_mode)
+{
+    EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *mode_info;
+    EFI_STATUS status;
+    UINTN info_size;
+
+    if ( !gop )
+        return;
+
+    /* Set graphics mode. */
+    if ( gop_mode < gop->Mode->MaxMode && gop_mode != gop->Mode->Mode )
+        gop->SetMode(gop, gop_mode);
+
+    /* Get graphics and frame buffer info. */
+    status = gop->QueryMode(gop, gop->Mode->Mode, &info_size, &mode_info);
+    if ( !EFI_ERROR(status) )
+        efi_arch_video_init(gop, info_size, mode_info);
+}
+
 static int __init __maybe_unused set_color(u32 mask, int bpp, u8 *pos, u8 *sz)
 {
    if ( bpp < 0 )
@@ -869,10 +888,9 @@ efi_start(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE 
*SystemTable)
     EFI_STATUS status;
     unsigned int i, argc;
     CHAR16 **argv, *file_name, *cfg_file_name = NULL, *options = NULL;
-    UINTN map_key, info_size, gop_mode = ~0;
+    UINTN map_key, gop_mode = ~0;
     EFI_SHIM_LOCK_PROTOCOL *shim_lock;
     EFI_GRAPHICS_OUTPUT_PROTOCOL *gop = NULL;
-    EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *mode_info;
     union string section = { NULL }, name;
     bool_t base_video = 0, retry;
     char *option_str;
@@ -1088,18 +1106,7 @@ efi_start(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE 
*SystemTable)
 
     efi_arch_memory_setup();
 
-    if ( gop )
-    {
-
-        /* Set graphics mode. */
-        if ( gop_mode < gop->Mode->MaxMode && gop_mode != gop->Mode->Mode )
-            gop->SetMode(gop, gop_mode);
-
-        /* Get graphics and frame buffer info. */
-        status = gop->QueryMode(gop, gop->Mode->Mode, &info_size, &mode_info);
-        if ( !EFI_ERROR(status) )
-            efi_arch_video_init(gop, info_size, mode_info);
-    }
+    efi_set_gop_mode(gop, gop_mode);
 
     efi_bs->GetMemoryMap(&efi_memmap_size, NULL, &map_key,
                          &efi_mdesc_size, &mdesc_ver);
-- 
1.7.10.4


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