drm: Collapse identical i8xx_clock() and i9xx_clock().

They used to be different.  Now they're identical.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 4f54ac5..8b20387 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -189,19 +189,7 @@ static const intel_limit_t *intel_limit(struct drm_crtc *crtc)
        return limit;
 }
 
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-
-static void i8xx_clock(int refclk, intel_clock_t *clock)
-{
-       clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
-       clock->p = clock->p1 * clock->p2;
-       clock->vco = refclk * clock->m / (clock->n + 2);
-       clock->dot = clock->vco / clock->p;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 9xx chips. */
-
-static void i9xx_clock(int refclk, intel_clock_t *clock)
+static void intel_clock(int refclk, intel_clock_t *clock)
 {
        clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
        clock->p = clock->p1 * clock->p2;
@@ -209,15 +197,6 @@ static void i9xx_clock(int refclk, intel_clock_t *clock)
        clock->dot = clock->vco / clock->p;
 }
 
-static void intel_clock(struct drm_device *dev, int refclk,
-                       intel_clock_t *clock)
-{
-       if (IS_I9XX(dev))
-               i9xx_clock (refclk, clock);
-       else
-               i8xx_clock (refclk, clock);
-}
-
 /**
  * Returns whether any output on the specified pipe is of the specified type
  */
@@ -318,7 +297,7 @@ static bool intel_find_best_PLL(struct drm_crtc *crtc, int target,
                                     clock.p1 <= limit->p1.max; clock.p1++) {
                                        int this_err;
 
-                                       intel_clock(dev, refclk, &clock);
+                                       intel_clock(refclk, &clock);
 
                                        if (!intel_PLL_is_valid(crtc, &clock))
                                                continue;
@@ -1313,7 +1292,7 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
                }
 
                /* XXX: Handle the 100Mhz refclk */
-               i9xx_clock(96000, &clock);
+               intel_clock(96000, &clock);
        } else {
                bool is_lvds = (pipe == 1) && (I915_READ(LVDS) & LVDS_PORT_EN);
 
@@ -1325,9 +1304,9 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
                        if ((dpll & PLL_REF_INPUT_MASK) ==
                            PLLB_REF_INPUT_SPREADSPECTRUMIN) {
                                /* XXX: might not be 66MHz */
-                               i8xx_clock(66000, &clock);
+                               intel_clock(66000, &clock);
                        } else
-                               i8xx_clock(48000, &clock);
+                               intel_clock(48000, &clock);
                } else {
                        if (dpll & PLL_P1_DIVIDE_BY_TWO)
                                clock.p1 = 2;
@@ -1340,7 +1319,7 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
                        else
                                clock.p2 = 2;
 
-                       i8xx_clock(48000, &clock);
+                       intel_clock(48000, &clock);
                }
        }