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-rw-r--r--drivers/gpu/drm/i915/i915_reg.h3
-rw-r--r--drivers/gpu/drm/i915/intel_display.c2
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 878fc766a12c..8470a972f1bb 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2471,6 +2471,9 @@
# define MARIUNIT_CLOCK_GATE_DISABLE (1 << 18)
# define SVSMUNIT_CLOCK_GATE_DISABLE (1 << 1)
+#define PCH_3DCGDIS1 0x46024
+# define VFMUNIT_CLOCK_GATE_DISABLE (1 << 11)
+
#define FDI_PLL_FREQ_CTL 0x46030
#define FDI_PLL_FREQ_CHANGE_REQUEST (1<<24)
#define FDI_PLL_FREQ_LOCK_LIMIT_MASK 0xfff00
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d9b7092439ef..97e374ec7f72 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5825,6 +5825,8 @@ void intel_init_clock_gating(struct drm_device *dev)
I915_WRITE(PCH_3DCGDIS0,
MARIUNIT_CLOCK_GATE_DISABLE |
SVSMUNIT_CLOCK_GATE_DISABLE);
+ I915_WRITE(PCH_3DCGDIS1,
+ VFMUNIT_CLOCK_GATE_DISABLE);
}
I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate);