drm/i915/display: clean up intel_PLL_is_valid()

Drop useless macro hiding the return. Fix superfluous whitespace. Rename
function to all lowercase.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/307c9f87cb2fbd5d2d67ec6adcde7ab669c2b93f.1584714939.git.jani.nikula@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 58e501c..a67e6a9 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -620,45 +620,43 @@ int chv_calc_dpll_params(int refclk, struct dpll *clock)
        return clock->dot / 5;
 }
 
-#define INTELPllInvalid(s)   do { /* DRM_DEBUG(s); */ return false; } while (0)
-
 /*
  * Returns whether the given set of divisors are valid for a given refclk with
  * the given connectors.
  */
-static bool intel_PLL_is_valid(struct drm_i915_private *dev_priv,
+static bool intel_pll_is_valid(struct drm_i915_private *dev_priv,
                               const struct intel_limit *limit,
                               const struct dpll *clock)
 {
-       if (clock->n   < limit->n.min   || limit->n.max   < clock->n)
-               INTELPllInvalid("n out of range\n");
-       if (clock->p1  < limit->p1.min  || limit->p1.max  < clock->p1)
-               INTELPllInvalid("p1 out of range\n");
-       if (clock->m2  < limit->m2.min  || limit->m2.max  < clock->m2)
-               INTELPllInvalid("m2 out of range\n");
-       if (clock->m1  < limit->m1.min  || limit->m1.max  < clock->m1)
-               INTELPllInvalid("m1 out of range\n");
+       if (clock->n < limit->n.min || limit->n.max < clock->n)
+               return false;
+       if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1)
+               return false;
+       if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2)
+               return false;
+       if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1)
+               return false;
 
        if (!IS_PINEVIEW(dev_priv) && !IS_VALLEYVIEW(dev_priv) &&
            !IS_CHERRYVIEW(dev_priv) && !IS_GEN9_LP(dev_priv))
                if (clock->m1 <= clock->m2)
-                       INTELPllInvalid("m1 <= m2\n");
+                       return false;
 
        if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv) &&
            !IS_GEN9_LP(dev_priv)) {
                if (clock->p < limit->p.min || limit->p.max < clock->p)
-                       INTELPllInvalid("p out of range\n");
+                       return false;
                if (clock->m < limit->m.min || limit->m.max < clock->m)
-                       INTELPllInvalid("m out of range\n");
+                       return false;
        }
 
        if (clock->vco < limit->vco.min || limit->vco.max < clock->vco)
-               INTELPllInvalid("vco out of range\n");
+               return false;
        /* XXX: We may need to be checking "Dot clock" depending on the multiplier,
         * connector, etc., rather than just a single range.
         */
        if (clock->dot < limit->dot.min || limit->dot.max < clock->dot)
-               INTELPllInvalid("dot out of range\n");
+               return false;
 
        return true;
 }
@@ -725,7 +723,7 @@ i9xx_find_best_dpll(const struct intel_limit *limit,
                                        int this_err;
 
                                        i9xx_calc_dpll_params(refclk, &clock);
-                                       if (!intel_PLL_is_valid(to_i915(dev),
+                                       if (!intel_pll_is_valid(to_i915(dev),
                                                                limit,
                                                                &clock))
                                                continue;
@@ -781,7 +779,7 @@ pnv_find_best_dpll(const struct intel_limit *limit,
                                        int this_err;
 
                                        pnv_calc_dpll_params(refclk, &clock);
-                                       if (!intel_PLL_is_valid(to_i915(dev),
+                                       if (!intel_pll_is_valid(to_i915(dev),
                                                                limit,
                                                                &clock))
                                                continue;
@@ -842,7 +840,7 @@ g4x_find_best_dpll(const struct intel_limit *limit,
                                        int this_err;
 
                                        i9xx_calc_dpll_params(refclk, &clock);
-                                       if (!intel_PLL_is_valid(to_i915(dev),
+                                       if (!intel_pll_is_valid(to_i915(dev),
                                                                limit,
                                                                &clock))
                                                continue;
@@ -939,7 +937,7 @@ vlv_find_best_dpll(const struct intel_limit *limit,
 
                                        vlv_calc_dpll_params(refclk, &clock);
 
-                                       if (!intel_PLL_is_valid(to_i915(dev),
+                                       if (!intel_pll_is_valid(to_i915(dev),
                                                                limit,
                                                                &clock))
                                                continue;
@@ -1008,7 +1006,7 @@ chv_find_best_dpll(const struct intel_limit *limit,
 
                        chv_calc_dpll_params(refclk, &clock);
 
-                       if (!intel_PLL_is_valid(to_i915(dev), limit, &clock))
+                       if (!intel_pll_is_valid(to_i915(dev), limit, &clock))
                                continue;
 
                        if (!vlv_PLL_is_optimal(dev, target, &clock, best_clock,