[Intel-gfx] [PATCH 3/3] drm/i915: Remove intel_limit_t typedef

Jani Nikula jani.nikula at linux.intel.com
Wed May 4 09:29:27 UTC 2016


On Wed, 04 May 2016, Ander Conselvan de Oliveira <ander.conselvan.de.oliveira at intel.com> wrote:
> The coding style documentation says the following about typedefs:
>
> "In general, a pointer, or a struct that has elements that can
> reasonably be directly accessed should _never_ be a typedef."
>
> intel_limit_t falls in that category, so just use "struct intel_limit"
> instead.

On the series,

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



>
> Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 69 ++++++++++++++++++------------------
>  1 file changed, 34 insertions(+), 35 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index a9fad2f..49efc84 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -118,7 +118,6 @@ static void ironlake_pfit_enable(struct intel_crtc *crtc);
>  static void intel_modeset_setup_hw_state(struct drm_device *dev);
>  static void intel_pre_disable_primary_noatomic(struct drm_crtc *crtc);
>  
> -typedef struct intel_limit intel_limit_t;
>  struct intel_limit {
>  	struct {
>  		int min, max;
> @@ -253,7 +252,7 @@ intel_fdi_link_freq(struct drm_i915_private *dev_priv,
>  		return 270000;
>  }
>  
> -static const intel_limit_t intel_limits_i8xx_dac = {
> +static const struct intel_limit intel_limits_i8xx_dac = {
>  	.dot = { .min = 25000, .max = 350000 },
>  	.vco = { .min = 908000, .max = 1512000 },
>  	.n = { .min = 2, .max = 16 },
> @@ -266,7 +265,7 @@ static const intel_limit_t intel_limits_i8xx_dac = {
>  		.p2_slow = 4, .p2_fast = 2 },
>  };
>  
> -static const intel_limit_t intel_limits_i8xx_dvo = {
> +static const struct intel_limit intel_limits_i8xx_dvo = {
>  	.dot = { .min = 25000, .max = 350000 },
>  	.vco = { .min = 908000, .max = 1512000 },
>  	.n = { .min = 2, .max = 16 },
> @@ -279,7 +278,7 @@ static const intel_limit_t intel_limits_i8xx_dvo = {
>  		.p2_slow = 4, .p2_fast = 4 },
>  };
>  
> -static const intel_limit_t intel_limits_i8xx_lvds = {
> +static const struct intel_limit intel_limits_i8xx_lvds = {
>  	.dot = { .min = 25000, .max = 350000 },
>  	.vco = { .min = 908000, .max = 1512000 },
>  	.n = { .min = 2, .max = 16 },
> @@ -292,7 +291,7 @@ static const intel_limit_t intel_limits_i8xx_lvds = {
>  		.p2_slow = 14, .p2_fast = 7 },
>  };
>  
> -static const intel_limit_t intel_limits_i9xx_sdvo = {
> +static const struct intel_limit intel_limits_i9xx_sdvo = {
>  	.dot = { .min = 20000, .max = 400000 },
>  	.vco = { .min = 1400000, .max = 2800000 },
>  	.n = { .min = 1, .max = 6 },
> @@ -305,7 +304,7 @@ static const intel_limit_t intel_limits_i9xx_sdvo = {
>  		.p2_slow = 10, .p2_fast = 5 },
>  };
>  
> -static const intel_limit_t intel_limits_i9xx_lvds = {
> +static const struct intel_limit intel_limits_i9xx_lvds = {
>  	.dot = { .min = 20000, .max = 400000 },
>  	.vco = { .min = 1400000, .max = 2800000 },
>  	.n = { .min = 1, .max = 6 },
> @@ -319,7 +318,7 @@ static const intel_limit_t intel_limits_i9xx_lvds = {
>  };
>  
>  
> -static const intel_limit_t intel_limits_g4x_sdvo = {
> +static const struct intel_limit intel_limits_g4x_sdvo = {
>  	.dot = { .min = 25000, .max = 270000 },
>  	.vco = { .min = 1750000, .max = 3500000},
>  	.n = { .min = 1, .max = 4 },
> @@ -334,7 +333,7 @@ static const intel_limit_t intel_limits_g4x_sdvo = {
>  	},
>  };
>  
> -static const intel_limit_t intel_limits_g4x_hdmi = {
> +static const struct intel_limit intel_limits_g4x_hdmi = {
>  	.dot = { .min = 22000, .max = 400000 },
>  	.vco = { .min = 1750000, .max = 3500000},
>  	.n = { .min = 1, .max = 4 },
> @@ -347,7 +346,7 @@ static const intel_limit_t intel_limits_g4x_hdmi = {
>  		.p2_slow = 10, .p2_fast = 5 },
>  };
>  
> -static const intel_limit_t intel_limits_g4x_single_channel_lvds = {
> +static const struct intel_limit intel_limits_g4x_single_channel_lvds = {
>  	.dot = { .min = 20000, .max = 115000 },
>  	.vco = { .min = 1750000, .max = 3500000 },
>  	.n = { .min = 1, .max = 3 },
> @@ -361,7 +360,7 @@ static const intel_limit_t intel_limits_g4x_single_channel_lvds = {
>  	},
>  };
>  
> -static const intel_limit_t intel_limits_g4x_dual_channel_lvds = {
> +static const struct intel_limit intel_limits_g4x_dual_channel_lvds = {
>  	.dot = { .min = 80000, .max = 224000 },
>  	.vco = { .min = 1750000, .max = 3500000 },
>  	.n = { .min = 1, .max = 3 },
> @@ -375,7 +374,7 @@ static const intel_limit_t intel_limits_g4x_dual_channel_lvds = {
>  	},
>  };
>  
> -static const intel_limit_t intel_limits_pineview_sdvo = {
> +static const struct intel_limit intel_limits_pineview_sdvo = {
>  	.dot = { .min = 20000, .max = 400000},
>  	.vco = { .min = 1700000, .max = 3500000 },
>  	/* Pineview's Ncounter is a ring counter */
> @@ -390,7 +389,7 @@ static const intel_limit_t intel_limits_pineview_sdvo = {
>  		.p2_slow = 10, .p2_fast = 5 },
>  };
>  
> -static const intel_limit_t intel_limits_pineview_lvds = {
> +static const struct intel_limit intel_limits_pineview_lvds = {
>  	.dot = { .min = 20000, .max = 400000 },
>  	.vco = { .min = 1700000, .max = 3500000 },
>  	.n = { .min = 3, .max = 6 },
> @@ -408,7 +407,7 @@ static const intel_limit_t intel_limits_pineview_lvds = {
>   * We calculate clock using (register_value + 2) for N/M1/M2, so here
>   * the range value for them is (actual_value - 2).
>   */
> -static const intel_limit_t intel_limits_ironlake_dac = {
> +static const struct intel_limit intel_limits_ironlake_dac = {
>  	.dot = { .min = 25000, .max = 350000 },
>  	.vco = { .min = 1760000, .max = 3510000 },
>  	.n = { .min = 1, .max = 5 },
> @@ -421,7 +420,7 @@ static const intel_limit_t intel_limits_ironlake_dac = {
>  		.p2_slow = 10, .p2_fast = 5 },
>  };
>  
> -static const intel_limit_t intel_limits_ironlake_single_lvds = {
> +static const struct intel_limit intel_limits_ironlake_single_lvds = {
>  	.dot = { .min = 25000, .max = 350000 },
>  	.vco = { .min = 1760000, .max = 3510000 },
>  	.n = { .min = 1, .max = 3 },
> @@ -434,7 +433,7 @@ static const intel_limit_t intel_limits_ironlake_single_lvds = {
>  		.p2_slow = 14, .p2_fast = 14 },
>  };
>  
> -static const intel_limit_t intel_limits_ironlake_dual_lvds = {
> +static const struct intel_limit intel_limits_ironlake_dual_lvds = {
>  	.dot = { .min = 25000, .max = 350000 },
>  	.vco = { .min = 1760000, .max = 3510000 },
>  	.n = { .min = 1, .max = 3 },
> @@ -448,7 +447,7 @@ static const intel_limit_t intel_limits_ironlake_dual_lvds = {
>  };
>  
>  /* LVDS 100mhz refclk limits. */
> -static const intel_limit_t intel_limits_ironlake_single_lvds_100m = {
> +static const struct intel_limit intel_limits_ironlake_single_lvds_100m = {
>  	.dot = { .min = 25000, .max = 350000 },
>  	.vco = { .min = 1760000, .max = 3510000 },
>  	.n = { .min = 1, .max = 2 },
> @@ -461,7 +460,7 @@ static const intel_limit_t intel_limits_ironlake_single_lvds_100m = {
>  		.p2_slow = 14, .p2_fast = 14 },
>  };
>  
> -static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = {
> +static const struct intel_limit intel_limits_ironlake_dual_lvds_100m = {
>  	.dot = { .min = 25000, .max = 350000 },
>  	.vco = { .min = 1760000, .max = 3510000 },
>  	.n = { .min = 1, .max = 3 },
> @@ -474,7 +473,7 @@ static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = {
>  		.p2_slow = 7, .p2_fast = 7 },
>  };
>  
> -static const intel_limit_t intel_limits_vlv = {
> +static const struct intel_limit intel_limits_vlv = {
>  	 /*
>  	  * These are the data rate limits (measured in fast clocks)
>  	  * since those are the strictest limits we have. The fast
> @@ -490,7 +489,7 @@ static const intel_limit_t intel_limits_vlv = {
>  	.p2 = { .p2_slow = 2, .p2_fast = 20 }, /* slow=min, fast=max */
>  };
>  
> -static const intel_limit_t intel_limits_chv = {
> +static const struct intel_limit intel_limits_chv = {
>  	/*
>  	 * These are the data rate limits (measured in fast clocks)
>  	 * since those are the strictest limits we have.  The fast
> @@ -506,7 +505,7 @@ static const intel_limit_t intel_limits_chv = {
>  	.p2 = {	.p2_slow = 1, .p2_fast = 14 },
>  };
>  
> -static const intel_limit_t intel_limits_bxt = {
> +static const struct intel_limit intel_limits_bxt = {
>  	/* FIXME: find real dot limits */
>  	.dot = { .min = 0, .max = INT_MAX },
>  	.vco = { .min = 4800000, .max = 6700000 },
> @@ -640,7 +639,7 @@ int chv_calc_dpll_params(int refclk, struct dpll *clock)
>   */
>  
>  static bool intel_PLL_is_valid(struct drm_device *dev,
> -			       const intel_limit_t *limit,
> +			       const struct intel_limit *limit,
>  			       const struct dpll *clock)
>  {
>  	if (clock->n   < limit->n.min   || limit->n.max   < clock->n)
> @@ -676,7 +675,7 @@ static bool intel_PLL_is_valid(struct drm_device *dev,
>  }
>  
>  static int
> -i9xx_select_p2_div(const intel_limit_t *limit,
> +i9xx_select_p2_div(const struct intel_limit *limit,
>  		   const struct intel_crtc_state *crtc_state,
>  		   int target)
>  {
> @@ -711,7 +710,7 @@ i9xx_select_p2_div(const intel_limit_t *limit,
>   * divider from @match_clock used for LVDS downclocking.
>   */
>  static bool
> -i9xx_find_best_dpll(const intel_limit_t *limit,
> +i9xx_find_best_dpll(const struct intel_limit *limit,
>  		    struct intel_crtc_state *crtc_state,
>  		    int target, int refclk, struct dpll *match_clock,
>  		    struct dpll *best_clock)
> @@ -768,7 +767,7 @@ i9xx_find_best_dpll(const intel_limit_t *limit,
>   * divider from @match_clock used for LVDS downclocking.
>   */
>  static bool
> -pnv_find_best_dpll(const intel_limit_t *limit,
> +pnv_find_best_dpll(const struct intel_limit *limit,
>  		   struct intel_crtc_state *crtc_state,
>  		   int target, int refclk, struct dpll *match_clock,
>  		   struct dpll *best_clock)
> @@ -823,7 +822,7 @@ pnv_find_best_dpll(const intel_limit_t *limit,
>   * divider from @match_clock used for LVDS downclocking.
>   */
>  static bool
> -g4x_find_best_dpll(const intel_limit_t *limit,
> +g4x_find_best_dpll(const struct intel_limit *limit,
>  		   struct intel_crtc_state *crtc_state,
>  		   int target, int refclk, struct dpll *match_clock,
>  		   struct dpll *best_clock)
> @@ -916,7 +915,7 @@ static bool vlv_PLL_is_optimal(struct drm_device *dev, int target_freq,
>   * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
>   */
>  static bool
> -vlv_find_best_dpll(const intel_limit_t *limit,
> +vlv_find_best_dpll(const struct intel_limit *limit,
>  		   struct intel_crtc_state *crtc_state,
>  		   int target, int refclk, struct dpll *match_clock,
>  		   struct dpll *best_clock)
> @@ -975,7 +974,7 @@ vlv_find_best_dpll(const intel_limit_t *limit,
>   * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
>   */
>  static bool
> -chv_find_best_dpll(const intel_limit_t *limit,
> +chv_find_best_dpll(const struct intel_limit *limit,
>  		   struct intel_crtc_state *crtc_state,
>  		   int target, int refclk, struct dpll *match_clock,
>  		   struct dpll *best_clock)
> @@ -1036,7 +1035,7 @@ bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, int target_clock,
>  			struct dpll *best_clock)
>  {
>  	int refclk = 100000;
> -	const intel_limit_t *limit = &intel_limits_bxt;
> +	const struct intel_limit *limit = &intel_limits_bxt;
>  
>  	return chv_find_best_dpll(limit, crtc_state,
>  				  target_clock, refclk, NULL, best_clock);
> @@ -7810,7 +7809,7 @@ static int i8xx_crtc_compute_clock(struct intel_crtc *crtc,
>  {
>  	struct drm_device *dev = crtc->base.dev;
>  	struct drm_i915_private *dev_priv = dev->dev_private;
> -	const intel_limit_t *limit;
> +	const struct intel_limit *limit;
>  	int refclk = 48000;
>  
>  	memset(&crtc_state->dpll_hw_state, 0,
> @@ -7846,7 +7845,7 @@ static int g4x_crtc_compute_clock(struct intel_crtc *crtc,
>  {
>  	struct drm_device *dev = crtc->base.dev;
>  	struct drm_i915_private *dev_priv = dev->dev_private;
> -	const intel_limit_t *limit;
> +	const struct intel_limit *limit;
>  	int refclk = 96000;
>  
>  	memset(&crtc_state->dpll_hw_state, 0,
> @@ -7889,7 +7888,7 @@ static int pnv_crtc_compute_clock(struct intel_crtc *crtc,
>  {
>  	struct drm_device *dev = crtc->base.dev;
>  	struct drm_i915_private *dev_priv = dev->dev_private;
> -	const intel_limit_t *limit;
> +	const struct intel_limit *limit;
>  	int refclk = 96000;
>  
>  	memset(&crtc_state->dpll_hw_state, 0,
> @@ -7923,7 +7922,7 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc,
>  {
>  	struct drm_device *dev = crtc->base.dev;
>  	struct drm_i915_private *dev_priv = dev->dev_private;
> -	const intel_limit_t *limit;
> +	const struct intel_limit *limit;
>  	int refclk = 96000;
>  
>  	memset(&crtc_state->dpll_hw_state, 0,
> @@ -7956,7 +7955,7 @@ static int chv_crtc_compute_clock(struct intel_crtc *crtc,
>  				  struct intel_crtc_state *crtc_state)
>  {
>  	int refclk = 100000;
> -	const intel_limit_t *limit = &intel_limits_chv;
> +	const struct intel_limit *limit = &intel_limits_chv;
>  
>  	memset(&crtc_state->dpll_hw_state, 0,
>  	       sizeof(crtc_state->dpll_hw_state));
> @@ -7977,7 +7976,7 @@ static int vlv_crtc_compute_clock(struct intel_crtc *crtc,
>  				  struct intel_crtc_state *crtc_state)
>  {
>  	int refclk = 100000;
> -	const intel_limit_t *limit = &intel_limits_vlv;
> +	const struct intel_limit *limit = &intel_limits_vlv;
>  
>  	memset(&crtc_state->dpll_hw_state, 0,
>  	       sizeof(crtc_state->dpll_hw_state));
> @@ -8898,7 +8897,7 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc,
>  	struct dpll reduced_clock;
>  	bool has_reduced_clock = false;
>  	struct intel_shared_dpll *pll;
> -	const intel_limit_t *limit;
> +	const struct intel_limit *limit;
>  	int refclk = 120000;
>  
>  	memset(&crtc_state->dpll_hw_state, 0,

-- 
Jani Nikula, Intel Open Source Technology Center


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