Re: Display distortion while booting in native UEFI mode

[YASUOKA Masahiko]

Hi,

On Fri, 16 Jun 2017 09:29:50 +0500
"dmitry.sensei" <dmitry.sen...@gmail.com> wrote:
> FrameBufferBase = 0xc0000000
> FrameBufferSize = 0x40000000
> VerticalResolution = 768
> HorizontalResolution = 1366
> PixelsPerScanLine = 1366
> PixelFormat = 1
>     RedMask = 0x0
>     GreenMask = 0x0
>     BlueMask = 0x0
>     ReservedMask = 0x0

Thanks,

Can you test the diff for the kernel?

diff --git a/sys/arch/amd64/amd64/efifb.c b/sys/arch/amd64/amd64/efifb.c
index 2418354beaf..3e73fe5fafe 100644
--- a/sys/arch/amd64/amd64/efifb.c
+++ b/sys/arch/amd64/amd64/efifb.c
@@ -361,6 +361,7 @@ int
 efifb_cnattach(void)
 {
        struct efifb            *fb = &efifb_console;
+       int                      pixpsl;
 
        if (bios_efiinfo == NULL || bios_efiinfo->fb_addr == 0)
                return (-1);
@@ -373,8 +374,8 @@ efifb_cnattach(void)
        fb->depth = max(fb->depth, fls(bios_efiinfo->fb_green_mask));
        fb->depth = max(fb->depth, fls(bios_efiinfo->fb_blue_mask));
        fb->depth = max(fb->depth, fls(bios_efiinfo->fb_reserved_mask));
-       fb->psize = bios_efiinfo->fb_height *
-           bios_efiinfo->fb_pixpsl * (fb->depth / 8);
+       pixpsl = (bios_efiinfo->fb_pixpsl + 7) & 7;     /* align 8 bytes */
+       fb->psize = bios_efiinfo->fb_height * pixpsl * (fb->depth / 8);
 
        efifb_rasops_init();