[PATCH 4/4] drm/i915/display: On Xe2 always enable decompression with tile4

[Kahola, Mika]

> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Juha-Pekka Heikkila
> Sent: Thursday, January 18, 2024 5:28 PM
> To: intel-xe at lists.freedesktop.org; intel-gfx at lists.freedesktop.org
> Subject: [PATCH 4/4] drm/i915/display: On Xe2 always enable decompression with tile4
> 
> With Xe2 always treat tile4 as if it was using flat ccs.
> 

Looks ok to me.

Reviewed-by: Mika Kahola <mika.kahola at intel.com>

> Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
> ---
>  drivers/gpu/drm/i915/display/skl_universal_plane.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
> index 511dc1544854..43209909593f 100644
> --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
> +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
> @@ -948,6 +948,11 @@ static u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state,
>  	if (DISPLAY_VER(dev_priv) == 13)
>  		plane_ctl |= adlp_plane_ctl_arb_slots(plane_state);
> 
> +	if (GRAPHICS_VER(dev_priv) >= 20 &&
> +	    fb->modifier == I915_FORMAT_MOD_4_TILED) {
> +		plane_ctl |= PLANE_CTL_RENDER_DECOMPRESSION_ENABLE;
> +	}
> +
>  	return plane_ctl;
>  }
> 
> --
> 2.25.1