[PATCH 1/2] gpu: drm: i915: remove dead code

Gustavo A. R. Silva
2017-05-15T22:45:22Z

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>
---
drivers/gpu/drm/i915/intel_display.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ed1f4f2..b13b53b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9565,8 +9565,6 @@ 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;
@@ -9609,8 +9607,7 @@ 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) {
@@ -9619,10 +9616,6 @@ 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;
}

--
2.5.0