drm/i915/guc: don't ever forward VBlank to the GuC

[karo-tx-linux.git] / drivers / gpu / drm / i915 / intel_guc_loader.c

diff --git a/drivers/gpu/drm/i915/intel_guc_loader.c b/drivers/gpu/drm/i915/intel_guc_loader.c
index 8fe96a2d989e3ce645913f37d3d2a6dfe6faa2ad..4f6311a91a7e602b2f5cf966d4ad48b7e98ef88f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_guc_loader.c
+++ b/drivers/gpu/drm/i915/intel_guc_loader.c
@@ -87,7 +87,7 @@ static void direct_interrupts_to_host(struct drm_i915_private *dev_priv)
        struct intel_engine_cs *engine;
        int irqs;
 
-       /* tell all command streamers NOT to forward interrupts and vblank to GuC */
+       /* tell all command streamers NOT to forward interrupts or vblank to GuC */
        irqs = _MASKED_FIELD(GFX_FORWARD_VBLANK_MASK, GFX_FORWARD_VBLANK_NEVER);
        irqs |= _MASKED_BIT_DISABLE(GFX_INTERRUPT_STEERING);
        for_each_engine(engine, dev_priv)
@@ -105,9 +105,8 @@ static void direct_interrupts_to_guc(struct drm_i915_private *dev_priv)
        int irqs;
        u32 tmp;
 
-       /* tell all command streamers to forward interrupts and vblank to GuC */
-       irqs = _MASKED_FIELD(GFX_FORWARD_VBLANK_MASK, GFX_FORWARD_VBLANK_ALWAYS);
-       irqs |= _MASKED_BIT_ENABLE(GFX_INTERRUPT_STEERING);
+       /* tell all command streamers to forward interrupts (but not vblank) to GuC */
+       irqs = _MASKED_BIT_ENABLE(GFX_INTERRUPT_STEERING);
        for_each_engine(engine, dev_priv)
                I915_WRITE(RING_MODE_GEN7(engine), irqs);