On Sun, Mar 14, 2021 at 01:48:07PM +0100, vit...@cyberhaven.com wrote:
> From: Vitaly Chipounov <vit...@cyberhaven.com>
>
> This requires at least 32MB of video memory.
>
> Tested with Windows 10's default display driver and virtio-vga.
>
> Signed-off-by: Vitaly Chipounov <vit...@cyberhaven.com>
> ---
> vgasrc/bochsvga.h | 4 ++--
> vgasrc/svgamodes.c | 1 +
> 2 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/vgasrc/bochsvga.h b/vgasrc/bochsvga.h
> index ae5f75d..f08219f 100644
> --- a/vgasrc/bochsvga.h
> +++ b/vgasrc/bochsvga.h
> @@ -6,8 +6,8 @@
> #define VBE_DISPI_BANK_ADDRESS 0xA0000
> #define VBE_DISPI_BANK_SIZE_KB 64
>
> -#define VBE_DISPI_MAX_XRES 2560
> -#define VBE_DISPI_MAX_YRES 1600
> +#define VBE_DISPI_MAX_XRES 3840
> +#define VBE_DISPI_MAX_YRES 2160
>
> #define VBE_DISPI_IOPORT_INDEX 0x01CE
> #define VBE_DISPI_IOPORT_DATA 0x01CF
> diff --git a/vgasrc/svgamodes.c b/vgasrc/svgamodes.c
> index 6e494c7..63ef040 100644
> --- a/vgasrc/svgamodes.c
> +++ b/vgasrc/svgamodes.c
> @@ -92,5 +92,6 @@ struct generic_svga_mode svga_modes[] VAR16 = {
> { 0x196, { MM_DIRECT, 2560, 1440, 16, 8, 16, SEG_GRAPH } },
> { 0x197, { MM_DIRECT, 2560, 1440, 24, 8, 16, SEG_GRAPH } },
> { 0x198, { MM_DIRECT, 2560, 1440, 32, 8, 16, SEG_GRAPH } },
> + { 0x199, { MM_DIRECT, 3840, 2160, 32, 8, 16, SEG_GRAPH } },
> };
> unsigned int svga_mcount VAR16 = ARRAY_SIZE(svga_modes);
I'm not sure about this change. Is 3840x2160 a standard of some kind?
Gerd - do you have any comments on this?
-Kevin
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