On 6/27/25 10:50, Mike Looijmans wrote:
> XRGB8888 is the default mode that Xorg will want to use. Add support
> for this to the Zynqmp DisplayPort driver, so that applications can use
> 32-bit framebuffers. This solves that the X server would fail to start
> unless one provided an xorg.conf that sets DefaultDepth to 16.
> 
> Signed-off-by: Mike Looijmans <[email protected]>
> ---
> 
>  drivers/gpu/drm/xlnx/zynqmp_disp.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/xlnx/zynqmp_disp.c 
> b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> index 80d1e499a18d..501428437000 100644
> --- a/drivers/gpu/drm/xlnx/zynqmp_disp.c
> +++ b/drivers/gpu/drm/xlnx/zynqmp_disp.c
> @@ -312,6 +312,11 @@ static const struct zynqmp_disp_format avbuf_gfx_fmts[] 
> = {
>               .buf_fmt        = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGBA8888,
>               .swap           = true,
>               .sf             = scaling_factors_888,
> +     }, {
> +             .drm_fmt        = DRM_FORMAT_XRGB8888,
> +             .buf_fmt        = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_RGBA8888,
> +             .swap           = true,
> +             .sf             = scaling_factors_888,
>       }, {
>               .drm_fmt        = DRM_FORMAT_RGBA8888,
>               .buf_fmt        = ZYNQMP_DISP_AV_BUF_FMT_NL_GFX_ABGR8888,

Tested-by: Sean Anderson <[email protected]>

I can confirm that this provides a nice performance boost :)

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