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| author | Paulo Zanoni | 2014-07-04 16:50:30 +0200 |
|---|---|---|
| committer | Daniel Vetter | 2014-07-23 07:05:32 +0200 |
| commit | c5107b875a84f0b25d1d6b8fbc9acb22440b746f (patch) | |
| tree | d452c972e288b7aa6356648be99f9fff92c73031 /drivers/gpu/drm/i915/intel_display.c | |
| parent | drm/i915: don't write powered down IRQ registers on Gen 8 (diff) | |
| download | kernel-qcow2-linux-c5107b875a84f0b25d1d6b8fbc9acb22440b746f.tar.gz kernel-qcow2-linux-c5107b875a84f0b25d1d6b8fbc9acb22440b746f.tar.xz kernel-qcow2-linux-c5107b875a84f0b25d1d6b8fbc9acb22440b746f.zip | |
drm/i915: HSW_BLC_PWM2_CTL doesn't exist on BDW
So don't write it, otherwise we will trigger unclaimed register
errors.
Testcase: igt/pm_rpm/rte
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 9064dd9805cd..06566d6c328f 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7326,8 +7326,9 @@ static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) WARN(I915_READ(PCH_PP_STATUS) & PP_ON, "Panel power on\n"); WARN(I915_READ(BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE, "CPU PWM1 enabled\n"); - WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE, - "CPU PWM2 enabled\n"); + if (IS_HASWELL(dev)) + WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE, + "CPU PWM2 enabled\n"); WARN(I915_READ(BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE, "PCH PWM1 enabled\n"); WARN(I915_READ(UTIL_PIN_CTL) & UTIL_PIN_ENABLE, |