return dev_priv->gpu_error.stop_rings & intel_ring_flag(ring);
}
-void __intel_ring_advance(struct intel_engine_cs *ring)
+static void __intel_ring_advance(struct intel_engine_cs *ring)
{
struct intel_ringbuffer *ringbuf = ring->buffer;
ringbuf->tail &= ringbuf->size - 1;
return ret;
}
-static int intel_ring_workarounds_emit(struct intel_engine_cs *ring,
- struct intel_context *ctx)
+static int intel_ring_workarounds_emit(struct drm_i915_gem_request *req)
{
int ret, i;
+ struct intel_engine_cs *ring = req->ring;
struct drm_device *dev = ring->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct i915_workarounds *w = &dev_priv->workarounds;
return 0;
ring->gpu_caches_dirty = true;
- ret = intel_ring_flush_all_caches(ring);
+ ret = intel_ring_flush_all_caches(req);
if (ret)
return ret;
intel_ring_advance(ring);
ring->gpu_caches_dirty = true;
- ret = intel_ring_flush_all_caches(ring);
+ ret = intel_ring_flush_all_caches(req);
if (ret)
return ret;
return 0;
}
-static int intel_rcs_ctx_init(struct intel_engine_cs *ring,
- struct intel_context *ctx)
+static int intel_rcs_ctx_init(struct drm_i915_gem_request *req)
{
int ret;
- ret = intel_ring_workarounds_emit(ring, ctx);
+ ret = intel_ring_workarounds_emit(req);
if (ret != 0)
return ret;
- ret = i915_gem_render_state_init(ring);
+ ret = i915_gem_render_state_init(req);
if (ret)
DRM_ERROR("init render state: %d\n", ret);
struct drm_device *dev = ring->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ WA_SET_BIT_MASKED(INSTPM, INSTPM_FORCE_ORDERING);
+
+ /* WaDisableAsyncFlipPerfMode:bdw */
+ WA_SET_BIT_MASKED(MI_MODE, ASYNC_FLIP_PERF_DISABLE);
+
/* WaDisablePartialInstShootdown:bdw */
/* WaDisableThreadStallDopClockGating:bdw (pre-production) */
WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN,
struct drm_device *dev = ring->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ WA_SET_BIT_MASKED(INSTPM, INSTPM_FORCE_ORDERING);
+
+ /* WaDisableAsyncFlipPerfMode:chv */
+ WA_SET_BIT_MASKED(MI_MODE, ASYNC_FLIP_PERF_DISABLE);
+
/* WaDisablePartialInstShootdown:chv */
/* WaDisableThreadStallDopClockGating:chv */
WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN,
GEN6_WIZ_HASHING_MASK,
GEN6_WIZ_HASHING_16x4);
- if (INTEL_REVID(dev) == SKL_REVID_C0 ||
- INTEL_REVID(dev) == SKL_REVID_D0)
- /* WaBarrierPerformanceFixDisable:skl */
- WA_SET_BIT_MASKED(HDC_CHICKEN0,
- HDC_FENCE_DEST_SLM_DISABLE |
- HDC_BARRIER_PERFORMANCE_DISABLE);
-
return 0;
}
HDC_FORCE_NON_COHERENT);
}
+ if (INTEL_REVID(dev) == SKL_REVID_C0 ||
+ INTEL_REVID(dev) == SKL_REVID_D0)
+ /* WaBarrierPerformanceFixDisable:skl */
+ WA_SET_BIT_MASKED(HDC_CHICKEN0,
+ HDC_FENCE_DEST_SLM_DISABLE |
+ HDC_BARRIER_PERFORMANCE_DISABLE);
+
return skl_tune_iz_hashing(ring);
}
* to use MI_WAIT_FOR_EVENT within the CS. It should already be
* programmed to '1' on all products.
*
- * WaDisableAsyncFlipPerfMode:snb,ivb,hsw,vlv,bdw,chv
+ * WaDisableAsyncFlipPerfMode:snb,ivb,hsw,vlv
*/
- if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 9)
+ if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 8)
I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(ASYNC_FLIP_PERF_DISABLE));
/* Required for the hardware to program scanline values for waiting */
_MASKED_BIT_DISABLE(CM0_STC_EVICT_DISABLE_LRA_SNB));
}
- if (INTEL_INFO(dev)->gen >= 6)
+ if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 8)
I915_WRITE(INSTPM, _MASKED_BIT_ENABLE(INSTPM_FORCE_ORDERING));
if (HAS_L3_DPF(dev))
unsigned space;
int ret;
+ /* The whole point of reserving space is to not wait! */
+ WARN_ON(ringbuf->reserved_in_use);
+
if (intel_ring_space(ringbuf) >= n)
return 0;
struct intel_ringbuffer *ringbuf = ring->buffer;
int rem = ringbuf->size - ringbuf->tail;
+ /* Can't wrap if space has already been reserved! */
+ WARN_ON(ringbuf->reserved_in_use);
+
if (ringbuf->space < rem) {
int ret = ring_wait_for_space(ring, rem);
if (ret)
int intel_ring_idle(struct intel_engine_cs *ring)
{
struct drm_i915_gem_request *req;
- int ret;
/* We need to add any requests required to flush the objects and ring */
- if (ring->outstanding_lazy_request) {
- ret = i915_add_request(ring);
- if (ret)
- return ret;
- }
+ WARN_ON(ring->outstanding_lazy_request);
+ if (ring->outstanding_lazy_request)
+ i915_add_request(ring->outstanding_lazy_request);
/* Wait upon the last request to be completed */
if (list_empty(&ring->request_list))
return 0;
}
-static int __intel_ring_prepare(struct intel_engine_cs *ring,
- int bytes)
+void intel_ring_reserved_space_reserve(struct intel_ringbuffer *ringbuf, int size)
+{
+ /* NB: Until request management is fully tidied up and the OLR is
+ * removed, there are too many ways for get false hits on this
+ * anti-recursion check! */
+ /*WARN_ON(ringbuf->reserved_size);*/
+ WARN_ON(ringbuf->reserved_in_use);
+
+ ringbuf->reserved_size = size;
+
+ /*
+ * Really need to call _begin() here but that currently leads to
+ * recursion problems! This will be fixed later but for now just
+ * return and hope for the best. Note that there is only a real
+ * problem if the create of the request never actually calls _begin()
+ * but if they are not submitting any work then why did they create
+ * the request in the first place?
+ */
+}
+
+void intel_ring_reserved_space_cancel(struct intel_ringbuffer *ringbuf)
+{
+ WARN_ON(ringbuf->reserved_in_use);
+
+ ringbuf->reserved_size = 0;
+ ringbuf->reserved_in_use = false;
+}
+
+void intel_ring_reserved_space_use(struct intel_ringbuffer *ringbuf)
+{
+ WARN_ON(ringbuf->reserved_in_use);
+
+ ringbuf->reserved_in_use = true;
+ ringbuf->reserved_tail = ringbuf->tail;
+}
+
+void intel_ring_reserved_space_end(struct intel_ringbuffer *ringbuf)
+{
+ WARN_ON(!ringbuf->reserved_in_use);
+ WARN(ringbuf->tail > ringbuf->reserved_tail + ringbuf->reserved_size,
+ "request reserved size too small: %d vs %d!\n",
+ ringbuf->tail - ringbuf->reserved_tail, ringbuf->reserved_size);
+
+ ringbuf->reserved_size = 0;
+ ringbuf->reserved_in_use = false;
+}
+
+static int __intel_ring_prepare(struct intel_engine_cs *ring, int bytes)
{
struct intel_ringbuffer *ringbuf = ring->buffer;
int ret;
+ /*
+ * Add on the reserved size to the request to make sure that after
+ * the intended commands have been emitted, there is guaranteed to
+ * still be enough free space to send them to the hardware.
+ */
+ if (!ringbuf->reserved_in_use)
+ bytes += ringbuf->reserved_size;
+
if (unlikely(ringbuf->tail + bytes > ringbuf->effective_size)) {
ret = intel_wrap_ring_buffer(ring);
if (unlikely(ret))
return ret;
+
+ if(ringbuf->reserved_size) {
+ uint32_t size = ringbuf->reserved_size;
+
+ intel_ring_reserved_space_cancel(ringbuf);
+ intel_ring_reserved_space_reserve(ringbuf, size);
+ }
}
if (unlikely(ringbuf->space < bytes)) {
int intel_ring_begin(struct intel_engine_cs *ring,
int num_dwords)
{
+ struct drm_i915_gem_request *req;
struct drm_i915_private *dev_priv = ring->dev->dev_private;
int ret;
return ret;
/* Preallocate the olr before touching the ring */
- ret = i915_gem_request_alloc(ring, ring->default_context);
+ ret = i915_gem_request_alloc(ring, ring->default_context, &req);
if (ret)
return ret;
}
int
-intel_ring_flush_all_caches(struct intel_engine_cs *ring)
+intel_ring_flush_all_caches(struct drm_i915_gem_request *req)
{
+ struct intel_engine_cs *ring = req->ring;
int ret;
if (!ring->gpu_caches_dirty)
}
int
-intel_ring_invalidate_all_caches(struct intel_engine_cs *ring)
+intel_ring_invalidate_all_caches(struct drm_i915_gem_request *req)
{
+ struct intel_engine_cs *ring = req->ring;
uint32_t flush_domains;
int ret;
projects / deliverable / linux.git / blobdiff