gpu: drm: i915: remove dead code

Local variable has_reduced_clock is assigned to a constant value and it is
never updated again. Remove this variable and the dead code it guards.

Addresses-Coverity-ID: 1362230
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170515215605.GA14963@embeddedgus

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 849e854..c0b4477 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -8192,8 +8192,6 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc,
 {
        struct drm_device *dev = crtc->base.dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
-       struct dpll reduced_clock;
-       bool has_reduced_clock = false;
        struct intel_shared_dpll *pll;
        const struct intel_limit *limit;
        int refclk = 120000;
@@ -8236,8 +8234,7 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc,
                return -EINVAL;
        }
 
-       ironlake_compute_dpll(crtc, crtc_state,
-                             has_reduced_clock ? &reduced_clock : NULL);
+       ironlake_compute_dpll(crtc, crtc_state, NULL);
 
        pll = intel_get_shared_dpll(crtc, crtc_state, NULL);
        if (pll == NULL) {
@@ -8246,10 +8243,6 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc,
                return -EINVAL;
        }
 
-       if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_LVDS) &&
-           has_reduced_clock)
-               crtc->lowfreq_avail = true;
-
        return 0;
 }