[Intel-gfx] [PATCH v2 06/11] drm/i915: Move the async_flip bit setup into the .async_flip() hook

[Karthik B S]

On 1/11/2021 10:07 PM, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Set up the async flip PLANE_CTL bit directly in the
> .async_flip() hook. Neither .update_plane() nor .disable_plane()
> ever need to set this so having it done by skl_plane_ctl_crtc()
> is rather pointless.
>
> Cc: Karthik B S <karthik.b.s at intel.com>
> Cc: Vandita Kulkarni <vandita.kulkarni at intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Looks good to me.

Reviewed-by: Karthik B S <karthik.b.s at intel.com>

> ---
>   drivers/gpu/drm/i915/display/intel_display.c | 3 ---
>   drivers/gpu/drm/i915/display/intel_sprite.c  | 2 ++
>   2 files changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index f12b74cfe974..fc932028c368 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -4250,9 +4250,6 @@ u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state)
>   	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
>   	u32 plane_ctl = 0;
>   
> -	if (crtc_state->uapi.async_flip)
> -		plane_ctl |= PLANE_CTL_ASYNC_FLIP;
> -
>   	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
>   		return plane_ctl;
>   
> diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c
> index 8e01cd4ebe36..1188e0f92223 100644
> --- a/drivers/gpu/drm/i915/display/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/display/intel_sprite.c
> @@ -782,6 +782,8 @@ skl_plane_async_flip(struct intel_plane *plane,
>   
>   	plane_ctl |= skl_plane_ctl_crtc(crtc_state);
>   
> +	plane_ctl |= PLANE_CTL_ASYNC_FLIP;
> +
>   	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
>   
>   	intel_de_write_fw(dev_priv, PLANE_CTL(pipe, plane_id), plane_ctl);