Re: [PATCH v2 3/3] drm/i915/fbc: No surface size restrictions from LNL onwards

["Hogander, Jouni" <jouni.hogander@intel.com>]

On Wed, 2026-07-22 at 16:24 +0300, Vinod Govindapillai wrote:
> From xe2_lpd+ platforms, enabling FBC do not depend on the
> surface size. So remove the check.
> 
> v2: changes to patch description
> 
> Bspec: 69560
> Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>

Reviewed-by: Jouni Högander <jouni.hogander@intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_fbc.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c
> b/drivers/gpu/drm/i915/display/intel_fbc.c
> index 20f02ef9387a..df8446457247 100644
> --- a/drivers/gpu/drm/i915/display/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/display/intel_fbc.c
> @@ -1306,6 +1306,9 @@ static bool intel_fbc_surface_size_ok(const
> struct intel_plane_state *plane_stat
>  	struct intel_display *display =
> to_intel_display(plane_state);
>  	unsigned int effective_w, effective_h, max_w, max_h;
>  
> +	if (DISPLAY_VER(display) >= 20)
> +		return true;
> +
>  	intel_fbc_max_surface_size(display, &max_w, &max_h);
>  
>  	effective_w = plane_state->view.color_plane[0].x +