[PATCH 03/18] drm/i915/dpll: Rename intel_shared_dpll_state

Jani Nikula jani.nikula at linux.intel.com
Fri May 9 10:07:12 UTC 2025


On Fri, 09 May 2025, Suraj Kandpal <suraj.kandpal at intel.com> wrote:
> Rename intel_shared_dpll_state to just intel_dpll_state since it may
> not necessarily store share dpll state info specially since
> DISPLAY_VER >= 14 PLL's are not shared.
> Also change the name of variables which may have been assoiciated as
> a shared_dpll.

*associated

>
> Signed-off-by: Suraj Kandpal <suraj.kandpal at intel.com>

Reviewed-by: Jani Nikula <jani.nikula at intel.com>

> ---
>  .../drm/i915/display/intel_display_types.h    |  2 +-
>  drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 56 +++++++++----------
>  drivers/gpu/drm/i915/display/intel_dpll_mgr.h |  8 +--
>  3 files changed, 33 insertions(+), 33 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
> index d6d0440dcee9..1bdffaca153a 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_types.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_types.h
> @@ -591,7 +591,7 @@ struct intel_atomic_state {
>  
>  	bool dpll_set, modeset;
>  
> -	struct intel_shared_dpll_state shared_dpll[I915_NUM_PLLS];
> +	struct intel_dpll_state dpll_state[I915_NUM_PLLS];
>  
>  	struct intel_dp_tunnel_inherited_state *inherited_dp_tunnels;
>  
> diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> index 9da051a3f455..6b4eb230f4b3 100644
> --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> @@ -122,17 +122,17 @@ struct intel_dpll_mgr {
>  
>  static void
>  intel_atomic_duplicate_dpll_state(struct intel_display *display,
> -				  struct intel_shared_dpll_state *shared_dpll)
> +				  struct intel_dpll_state *dpll_state)
>  {
>  	struct intel_shared_dpll *pll;
>  	int i;
>  
>  	/* Copy shared dpll state */
>  	for_each_shared_dpll(display, pll, i)
> -		shared_dpll[pll->index] = pll->state;
> +		dpll_state[pll->index] = pll->state;
>  }
>  
> -static struct intel_shared_dpll_state *
> +static struct intel_dpll_state *
>  intel_atomic_get_shared_dpll_state(struct drm_atomic_state *s)
>  {
>  	struct intel_atomic_state *state = to_intel_atomic_state(s);
> @@ -144,10 +144,10 @@ intel_atomic_get_shared_dpll_state(struct drm_atomic_state *s)
>  		state->dpll_set = true;
>  
>  		intel_atomic_duplicate_dpll_state(display,
> -						  state->shared_dpll);
> +						  state->dpll_state);
>  	}
>  
> -	return state->shared_dpll;
> +	return state->dpll_state;
>  }
>  
>  /**
> @@ -365,11 +365,11 @@ intel_find_shared_dpll(struct intel_atomic_state *state,
>  {
>  	struct intel_display *display = to_intel_display(crtc);
>  	unsigned long dpll_mask_all = intel_dpll_mask_all(display);
> -	struct intel_shared_dpll_state *shared_dpll;
> +	struct intel_dpll_state *dpll_state;
>  	struct intel_shared_dpll *unused_pll = NULL;
>  	enum intel_dpll_id id;
>  
> -	shared_dpll = intel_atomic_get_shared_dpll_state(&state->base);
> +	dpll_state = intel_atomic_get_shared_dpll_state(&state->base);
>  
>  	drm_WARN_ON(display->drm, dpll_mask & ~dpll_mask_all);
>  
> @@ -381,20 +381,20 @@ intel_find_shared_dpll(struct intel_atomic_state *state,
>  			continue;
>  
>  		/* Only want to check enabled timings first */
> -		if (shared_dpll[pll->index].pipe_mask == 0) {
> +		if (dpll_state[pll->index].pipe_mask == 0) {
>  			if (!unused_pll)
>  				unused_pll = pll;
>  			continue;
>  		}
>  
>  		if (memcmp(dpll_hw_state,
> -			   &shared_dpll[pll->index].hw_state,
> +			   &dpll_state[pll->index].hw_state,
>  			   sizeof(*dpll_hw_state)) == 0) {
>  			drm_dbg_kms(display->drm,
>  				    "[CRTC:%d:%s] sharing existing %s (pipe mask 0x%x, active 0x%x)\n",
>  				    crtc->base.base.id, crtc->base.name,
>  				    pll->info->name,
> -				    shared_dpll[pll->index].pipe_mask,
> +				    dpll_state[pll->index].pipe_mask,
>  				    pll->active_mask);
>  			return pll;
>  		}
> @@ -415,20 +415,20 @@ intel_find_shared_dpll(struct intel_atomic_state *state,
>   * intel_reference_shared_dpll_crtc - Get a DPLL reference for a CRTC
>   * @crtc: CRTC on which behalf the reference is taken
>   * @pll: DPLL for which the reference is taken
> - * @shared_dpll_state: the DPLL atomic state in which the reference is tracked
> + * @dpll_state: the DPLL atomic state in which the reference is tracked
>   *
>   * Take a reference for @pll tracking the use of it by @crtc.
>   */
>  static void
>  intel_reference_shared_dpll_crtc(const struct intel_crtc *crtc,
>  				 const struct intel_shared_dpll *pll,
> -				 struct intel_shared_dpll_state *shared_dpll_state)
> +				 struct intel_dpll_state *dpll_state)
>  {
>  	struct intel_display *display = to_intel_display(crtc);
>  
> -	drm_WARN_ON(display->drm, (shared_dpll_state->pipe_mask & BIT(crtc->pipe)) != 0);
> +	drm_WARN_ON(display->drm, (dpll_state->pipe_mask & BIT(crtc->pipe)) != 0);
>  
> -	shared_dpll_state->pipe_mask |= BIT(crtc->pipe);
> +	dpll_state->pipe_mask |= BIT(crtc->pipe);
>  
>  	drm_dbg_kms(display->drm, "[CRTC:%d:%s] reserving %s\n",
>  		    crtc->base.base.id, crtc->base.name, pll->info->name);
> @@ -440,34 +440,34 @@ intel_reference_shared_dpll(struct intel_atomic_state *state,
>  			    const struct intel_shared_dpll *pll,
>  			    const struct intel_dpll_hw_state *dpll_hw_state)
>  {
> -	struct intel_shared_dpll_state *shared_dpll;
> +	struct intel_dpll_state *dpll_state;
>  
> -	shared_dpll = intel_atomic_get_shared_dpll_state(&state->base);
> +	dpll_state = intel_atomic_get_shared_dpll_state(&state->base);
>  
> -	if (shared_dpll[pll->index].pipe_mask == 0)
> -		shared_dpll[pll->index].hw_state = *dpll_hw_state;
> +	if (dpll_state[pll->index].pipe_mask == 0)
> +		dpll_state[pll->index].hw_state = *dpll_hw_state;
>  
> -	intel_reference_shared_dpll_crtc(crtc, pll, &shared_dpll[pll->index]);
> +	intel_reference_shared_dpll_crtc(crtc, pll, &dpll_state[pll->index]);
>  }
>  
>  /**
>   * intel_unreference_shared_dpll_crtc - Drop a DPLL reference for a CRTC
>   * @crtc: CRTC on which behalf the reference is dropped
>   * @pll: DPLL for which the reference is dropped
> - * @shared_dpll_state: the DPLL atomic state in which the reference is tracked
> + * @dpll_state: the DPLL atomic state in which the reference is tracked
>   *
>   * Drop a reference for @pll tracking the end of use of it by @crtc.
>   */
>  void
>  intel_unreference_shared_dpll_crtc(const struct intel_crtc *crtc,
>  				   const struct intel_shared_dpll *pll,
> -				   struct intel_shared_dpll_state *shared_dpll_state)
> +				   struct intel_dpll_state *dpll_state)
>  {
>  	struct intel_display *display = to_intel_display(crtc);
>  
> -	drm_WARN_ON(display->drm, (shared_dpll_state->pipe_mask & BIT(crtc->pipe)) == 0);
> +	drm_WARN_ON(display->drm, (dpll_state->pipe_mask & BIT(crtc->pipe)) == 0);
>  
> -	shared_dpll_state->pipe_mask &= ~BIT(crtc->pipe);
> +	dpll_state->pipe_mask &= ~BIT(crtc->pipe);
>  
>  	drm_dbg_kms(display->drm, "[CRTC:%d:%s] releasing %s\n",
>  		    crtc->base.base.id, crtc->base.name, pll->info->name);
> @@ -477,11 +477,11 @@ static void intel_unreference_shared_dpll(struct intel_atomic_state *state,
>  					  const struct intel_crtc *crtc,
>  					  const struct intel_shared_dpll *pll)
>  {
> -	struct intel_shared_dpll_state *shared_dpll;
> +	struct intel_dpll_state *dpll_state;
>  
> -	shared_dpll = intel_atomic_get_shared_dpll_state(&state->base);
> +	dpll_state = intel_atomic_get_shared_dpll_state(&state->base);
>  
> -	intel_unreference_shared_dpll_crtc(crtc, pll, &shared_dpll[pll->index]);
> +	intel_unreference_shared_dpll_crtc(crtc, pll, &dpll_state[pll->index]);
>  }
>  
>  static void intel_put_dpll(struct intel_atomic_state *state,
> @@ -514,7 +514,7 @@ static void intel_put_dpll(struct intel_atomic_state *state,
>  void intel_shared_dpll_swap_state(struct intel_atomic_state *state)
>  {
>  	struct intel_display *display = to_intel_display(state);
> -	struct intel_shared_dpll_state *shared_dpll = state->shared_dpll;
> +	struct intel_dpll_state *dpll_state = state->dpll_state;
>  	struct intel_shared_dpll *pll;
>  	int i;
>  
> @@ -522,7 +522,7 @@ void intel_shared_dpll_swap_state(struct intel_atomic_state *state)
>  		return;
>  
>  	for_each_shared_dpll(display, pll, i)
> -		swap(pll->state, shared_dpll[pll->index]);
> +		swap(pll->state, dpll_state[pll->index]);
>  }
>  
>  static bool ibx_pch_dpll_get_hw_state(struct intel_display *display,
> diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
> index caffb084830c..fe6c676737bb 100644
> --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
> +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
> @@ -280,7 +280,7 @@ struct intel_dpll_hw_state {
>  };
>  
>  /**
> - * struct intel_shared_dpll_state - hold the DPLL atomic state
> + * struct intel_dpll_state - hold the DPLL atomic state
>   *
>   * This structure holds an atomic state for the DPLL, that can represent
>   * either its current state (in struct &intel_shared_dpll) or a desired
> @@ -289,7 +289,7 @@ struct intel_dpll_hw_state {
>   *
>   * See also intel_reserve_shared_dplls() and intel_release_shared_dplls().
>   */
> -struct intel_shared_dpll_state {
> +struct intel_dpll_state {
>  	/**
>  	 * @pipe_mask: mask of pipes using this DPLL, active or not
>  	 */
> @@ -353,7 +353,7 @@ struct intel_shared_dpll {
>  	 * Store the state for the pll, including its hw state
>  	 * and CRTCs using it.
>  	 */
> -	struct intel_shared_dpll_state state;
> +	struct intel_dpll_state state;
>  
>  	/**
>  	 * @index: index for atomic state
> @@ -406,7 +406,7 @@ void intel_release_shared_dplls(struct intel_atomic_state *state,
>  				struct intel_crtc *crtc);
>  void intel_unreference_shared_dpll_crtc(const struct intel_crtc *crtc,
>  					const struct intel_shared_dpll *pll,
> -					struct intel_shared_dpll_state *shared_dpll_state);
> +					struct intel_dpll_state *shared_dpll_state);
>  void icl_set_active_port_dpll(struct intel_crtc_state *crtc_state,
>  			      enum icl_port_dpll_id port_dpll_id);
>  void intel_update_active_dpll(struct intel_atomic_state *state,

-- 
Jani Nikula, Intel


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