diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index c23ffde3635550d4526334c603c54abcd63a63b8..e114776b883671078dd21f0075121b0df58d518d 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1469,9 +1469,20 @@ static u8 gtiir[] = { [VECS] = 3, }; -static int gen8_init_common_ring(struct intel_engine_cs *engine) +static void enable_execlists(struct intel_engine_cs *engine) { struct drm_i915_private *dev_priv = engine->i915; + + I915_WRITE(RING_HWSTAM(engine->mmio_base), 0xffffffff); + I915_WRITE(RING_MODE_GEN7(engine), + _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE)); + I915_WRITE(RING_HWS_PGA(engine->mmio_base), + engine->status_page.ggtt_offset); + POSTING_READ(RING_HWS_PGA(engine->mmio_base)); +} + +static int gen8_init_common_ring(struct intel_engine_cs *engine) +{ struct intel_engine_execlists * const execlists = &engine->execlists; int ret; @@ -1482,13 +1493,7 @@ static int gen8_init_common_ring(struct intel_engine_cs *engine) intel_engine_reset_breadcrumbs(engine); intel_engine_init_hangcheck(engine); - I915_WRITE(RING_HWSTAM(engine->mmio_base), 0xffffffff); - I915_WRITE(RING_MODE_GEN7(engine), - _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE)); - I915_WRITE(RING_HWS_PGA(engine->mmio_base), - engine->status_page.ggtt_offset); - POSTING_READ(RING_HWS_PGA(engine->mmio_base)); - + enable_execlists(engine); DRM_DEBUG_DRIVER("Execlists enabled for %s\n", engine->name); GEM_BUG_ON(engine->id >= ARRAY_SIZE(gtiir)); @@ -1915,6 +1920,7 @@ void intel_logical_ring_cleanup(struct intel_engine_cs *engine) intel_engine_cleanup_common(engine); lrc_destroy_wa_ctx(engine); + engine->i915 = NULL; dev_priv->engine[engine->id] = NULL; kfree(engine);