EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode() must blank the screen.
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- lib/efi_loader/efi_gop.c | 50 ++++++++++++++++++++++++++++++---------- 1 file changed, 38 insertions(+), 12 deletions(-)
diff --git a/lib/efi_loader/efi_gop.c b/lib/efi_loader/efi_gop.c index 2385c0f3b1..c1a814cd43 100644 --- a/lib/efi_loader/efi_gop.c +++ b/lib/efi_loader/efi_gop.c @@ -62,18 +62,6 @@ out: return EFI_EXIT(ret); }
-static efi_status_t EFIAPI gop_set_mode(struct efi_gop *this, u32 mode_number) -{ - efi_status_t ret = EFI_SUCCESS; - - EFI_ENTRY("%p, %x", this, mode_number); - - if (mode_number) - ret = EFI_UNSUPPORTED; - - return EFI_EXIT(ret); -} - static __always_inline struct efi_gop_pixel efi_vid16_to_blt_col(u16 vid) { struct efi_gop_pixel blt = { @@ -322,6 +310,44 @@ static efi_status_t gop_blt_vid_to_buf(struct efi_gop *this, dx, dy, width, height, delta, vid_bpp); }
+/** + * gop_set_mode() - set graphical output mode + * + * This function implements the SetMode() service. + * + * See the Unified Extensible Firmware Interface (UEFI) specification for + * details. + * + * @this: the graphical output protocol + * @model_number: the mode to be set + * Return: status code + */ +static efi_status_t EFIAPI gop_set_mode(struct efi_gop *this, u32 mode_number) +{ + struct efi_gop_obj *gopobj; + struct efi_gop_pixel buffer = {0, 0, 0, 0}; + efi_uintn_t vid_bpp; + efi_status_t ret = EFI_SUCCESS; + + EFI_ENTRY("%p, %x", this, mode_number); + + if (!this) { + ret = EFI_INVALID_PARAMETER; + goto out; + } + if (mode_number) { + ret = EFI_UNSUPPORTED; + goto out; + } + gopobj = container_of(this, struct efi_gop_obj, ops); + vid_bpp = gop_get_bpp(this); + ret = gop_blt_video_fill(this, &buffer, EFI_BLT_VIDEO_FILL, 0, 0, 0, 0, + gopobj->info.width, gopobj->info.height, 0, + vid_bpp); +out: + return EFI_EXIT(ret); +} + /* * Copy rectangle. * -- 2.20.1