diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 89cfe468414..8e98d708f97 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c | |||
@@ -5746,6 +5746,13 @@ void intel_init_clock_gating(struct drm_device *dev) | |||
5746 | I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate); | 5746 | I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate); |
5747 | 5747 | ||
5748 | /* | 5748 | /* |
5749 | * On Ibex Peak and Cougar Point, we need to disable clock | ||
5750 | * gating for the panel power sequencer or it will fail to | ||
5751 | * start up when no ports are active. | ||
5752 | */ | ||
5753 | I915_WRITE(SOUTH_DSPCLK_GATE_D, PCH_DPLSUNIT_CLOCK_GATE_DISABLE); | ||
5754 | |||
5755 | /* | ||
5749 | * According to the spec the following bits should be set in | 5756 | * According to the spec the following bits should be set in |
5750 | * order to enable memory self-refresh | 5757 | * order to enable memory self-refresh |
5751 | * The bit 22/21 of 0x42004 | 5758 | * The bit 22/21 of 0x42004 |