[Intel-gfx] [Intel-xe] [PATCH 3/4] drm/i915/lnl: support FBC on any plane

[Jani Nikula]

On Mon, 28 Aug 2023, Vinod Govindapillai <vinod.govindapillai at intel.com> wrote:
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index aefad14ab27a..b207774f3c33 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -1327,6 +1327,10 @@
>  #define   DPFC_CTL_PLANE_IVB(i9xx_plane)	REG_FIELD_PREP(DPFC_CTL_PLANE_MASK_IVB, (i9xx_plane))
>  #define   DPFC_CTL_FENCE_EN_IVB			REG_BIT(28) /* ivb+ */
>  #define   DPFC_CTL_PERSISTENT_MODE		REG_BIT(25) /* g4x-snb */
> +#define   DPFC_CTL_PLANE_BINDING_MASK		REG_GENMASK(12, 11) /* XE */
> +#define   DPFC_CTL_PLANE_BINDING_1		REG_FIELD_PREP(DPFC_CTL_PLANE_BINDING_MASK, 0) /* XE */
> +#define   DPFC_CTL_PLANE_BINDING_2		REG_FIELD_PREP(DPFC_CTL_PLANE_BINDING_MASK, 1) /* XE */
> +#define   DPFC_CTL_PLANE_BINDING_3		REG_FIELD_PREP(DPFC_CTL_PLANE_BINDING_MASK, 2) /* XE */

What's with the /* XE */ comments?

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Graphics Center