diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 33faad3197fe..6a8f27d0a742 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -387,8 +387,18 @@ static void intel_ring_setup_status_page(struct intel_engine_cs *engine) mmio = RING_HWS_PGA(engine->mmio_base); } - if (INTEL_GEN(dev_priv) >= 6) - I915_WRITE(RING_HWSTAM(engine->mmio_base), 0xffffffff); + if (INTEL_GEN(dev_priv) >= 6) { + u32 mask = ~0u; + + /* + * Keep the render interrupt unmasked as this papers over + * lost interrupts following a reset. + */ + if (engine->id == RCS) + mask &= ~BIT(0); + + I915_WRITE(RING_HWSTAM(engine->mmio_base), mask); + } I915_WRITE(mmio, engine->status_page.ggtt_offset); POSTING_READ(mmio); |