From af46fb39a9de03ee3e022a066862a4c354e48e22 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 11 Dec 2012 11:46:29 +0100 Subject: [PATCH] --- yaml --- r: 345658 b: refs/heads/master c: 335c07b7982eff480afdf8c9b25225511dd07031 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/drivers/gpu/drm/i915/intel_pm.c | 5 +++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index 08540f886ec3..677d24333501 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 539526b4137bc0e7a8806c38c8522f226814a0e6 +refs/heads/master: 335c07b7982eff480afdf8c9b25225511dd07031 diff --git a/trunk/drivers/gpu/drm/i915/intel_pm.c b/trunk/drivers/gpu/drm/i915/intel_pm.c index 522ff05e3789..42839fc73499 100644 --- a/trunk/drivers/gpu/drm/i915/intel_pm.c +++ b/trunk/drivers/gpu/drm/i915/intel_pm.c @@ -3453,6 +3453,11 @@ static void cpt_init_clock_gating(struct drm_device *dev) I915_WRITE(SOUTH_DSPCLK_GATE_D, PCH_DPLSUNIT_CLOCK_GATE_DISABLE); I915_WRITE(SOUTH_CHICKEN2, I915_READ(SOUTH_CHICKEN2) | DPLS_EDP_PPS_FIX_DIS); + /* The below fixes the weird display corruption, a few pixels shifted + * downward, on (only) LVDS of some HP laptops with IVY. + */ + for_each_pipe(pipe) + I915_WRITE(TRANS_CHICKEN2(pipe), TRANS_CHICKEN2_TIMING_OVERRIDE); /* WADP0ClockGatingDisable */ for_each_pipe(pipe) { I915_WRITE(TRANS_CHICKEN1(pipe),