[PATCH 02/14] drm/i915: Make vrr_{enabling, disabling}() usable outside intel_display.c

[Manna, Animesh]

> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Ville
> Syrjala
> Sent: Tuesday, June 25, 2024 12:40 AM
> To: intel-gfx at lists.freedesktop.org
> Subject: [PATCH 02/14] drm/i915: Make vrr_{enabling, disabling}() usable
> outside intel_display.c
> 
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Give vrr_enabling() and vrr_disabling() slightly fancier names, and pass in the
> whole atomic state so that they'll be easier to use.
> We'll need to call at least the disabling part from the DSB code soon enough
> (so that we can do vblank evasions/etc. correctly on the DSB).
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Animesh Manna <animesh.manna at intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 26 +++++++++++++-------
>  1 file changed, 17 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c
> b/drivers/gpu/drm/i915/display/intel_display.c
> index c2c388212e2e..01a5faa3fea5 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -1014,9 +1014,14 @@ static bool cmrr_params_changed(const struct
> intel_crtc_state *old_crtc_state,
>  		old_crtc_state->cmrr.cmrr_n != new_crtc_state-
> >cmrr.cmrr_n;  }
> 
> -static bool vrr_enabling(const struct intel_crtc_state *old_crtc_state,
> -			 const struct intel_crtc_state *new_crtc_state)
> +static bool intel_crtc_vrr_enabling(struct intel_atomic_state *state,
> +				    struct intel_crtc *crtc)
>  {
> +	const struct intel_crtc_state *old_crtc_state =
> +		intel_atomic_get_old_crtc_state(state, crtc);
> +	const struct intel_crtc_state *new_crtc_state =
> +		intel_atomic_get_new_crtc_state(state, crtc);
> +
>  	if (!new_crtc_state->hw.active)
>  		return false;
> 
> @@ -1026,9 +1031,14 @@ static bool vrr_enabling(const struct
> intel_crtc_state *old_crtc_state,
>  		  vrr_params_changed(old_crtc_state, new_crtc_state)));  }
> 
> -static bool vrr_disabling(const struct intel_crtc_state *old_crtc_state,
> -			  const struct intel_crtc_state *new_crtc_state)
> +static bool intel_crtc_vrr_disabling(struct intel_atomic_state *state,
> +				     struct intel_crtc *crtc)
>  {
> +	const struct intel_crtc_state *old_crtc_state =
> +		intel_atomic_get_old_crtc_state(state, crtc);
> +	const struct intel_crtc_state *new_crtc_state =
> +		intel_atomic_get_new_crtc_state(state, crtc);
> +
>  	if (!old_crtc_state->hw.active)
>  		return false;
> 
> @@ -1181,7 +1191,7 @@ static void intel_pre_plane_update(struct
> intel_atomic_state *state,
>  		intel_atomic_get_new_crtc_state(state, crtc);
>  	enum pipe pipe = crtc->pipe;
> 
> -	if (vrr_disabling(old_crtc_state, new_crtc_state)) {
> +	if (intel_crtc_vrr_disabling(state, crtc)) {
>  		intel_vrr_disable(old_crtc_state);
>  		intel_crtc_update_active_timings(old_crtc_state, false);
>  	}
> @@ -6830,8 +6840,6 @@ static void commit_pipe_post_planes(struct
> intel_atomic_state *state,
>  				    struct intel_crtc *crtc)
>  {
>  	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
> -	const struct intel_crtc_state *old_crtc_state =
> -		intel_atomic_get_old_crtc_state(state, crtc);
>  	const struct intel_crtc_state *new_crtc_state =
>  		intel_atomic_get_new_crtc_state(state, crtc);
> 
> @@ -6844,7 +6852,7 @@ static void commit_pipe_post_planes(struct
> intel_atomic_state *state,
>  	    !intel_crtc_needs_modeset(new_crtc_state))
>  		skl_detach_scalers(new_crtc_state);
> 
> -	if (vrr_enabling(old_crtc_state, new_crtc_state))
> +	if (intel_crtc_vrr_enabling(state, crtc))
>  		intel_vrr_enable(new_crtc_state);
>  }
> 
> @@ -6944,7 +6952,7 @@ static void intel_update_crtc(struct
> intel_atomic_state *state,
>  	 *
>  	 * FIXME Should be synchronized with the start of vblank somehow...
>  	 */
> -	if (vrr_enabling(old_crtc_state, new_crtc_state) ||
> +	if (intel_crtc_vrr_enabling(state, crtc) ||
>  	    new_crtc_state->update_m_n || new_crtc_state->update_lrr)
>  		intel_crtc_update_active_timings(new_crtc_state,
>  						 new_crtc_state->vrr.enable);
> --
> 2.44.2