diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index afc41dbc872e55c8d20af6ede203b945688dc9a5..adf257dfa5e0b55c83e9d2d8fd19df9b3db54ed8 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1462,6 +1462,9 @@ static void enable_execlists(struct intel_engine_cs *engine) I915_WRITE(RING_HWS_PGA(engine->mmio_base), engine->status_page.ggtt_offset); POSTING_READ(RING_HWS_PGA(engine->mmio_base)); + + /* Following the reset, we need to reload the CSB read/write pointers */ + engine->execlists.csb_head = -1; } static int gen8_init_common_ring(struct intel_engine_cs *engine) @@ -1478,11 +1481,6 @@ static int gen8_init_common_ring(struct intel_engine_cs *engine) enable_execlists(engine); - GEM_BUG_ON(engine->id >= ARRAY_SIZE(gtiir)); - - execlists->csb_head = -1; - execlists->active = 0; - /* After a GPU reset, we may have requests to replay */ if (execlists->first) tasklet_schedule(&execlists->tasklet); @@ -1528,6 +1526,8 @@ static void reset_irq(struct intel_engine_cs *engine) struct drm_i915_private *dev_priv = engine->i915; int i; + GEM_BUG_ON(engine->id >= ARRAY_SIZE(gtiir)); + /* * Clear any pending interrupt state. * @@ -1576,6 +1576,9 @@ static void reset_common_ring(struct intel_engine_cs *engine, spin_unlock_irqrestore(&engine->timeline->lock, flags); + /* Mark all CS interrupts as complete */ + execlists->active = 0; + /* If the request was innocent, we leave the request in the ELSP * and will try to replay it on restarting. The context image may * have been corrupted by the reset, in which case we may have