#include "i915_trace.h"
#include "intel_drv.h"
-/*
- * 965+ support PIPE_CONTROL commands, which provide finer grained control
- * over cache flushing.
- */
-struct pipe_control {
- struct drm_i915_gem_object *obj;
- volatile u32 *cpu_page;
- u32 gtt_offset;
-};
-
static inline int ring_space(struct intel_ring_buffer *ring)
{
int space = (ring->head & HEAD_ADDR) - (ring->tail + I915_RING_FREE_SPACE);
return space;
}
+void __intel_ring_advance(struct intel_ring_buffer *ring)
+{
+ struct drm_i915_private *dev_priv = ring->dev->dev_private;
+
+ ring->tail &= ring->size - 1;
+ if (dev_priv->gpu_error.stop_rings & intel_ring_flag(ring))
+ return;
+ ring->write_tail(ring, ring->tail);
+}
+
static int
gen2_render_ring_flush(struct intel_ring_buffer *ring,
u32 invalidate_domains,
static int
intel_emit_post_sync_nonzero_flush(struct intel_ring_buffer *ring)
{
- struct pipe_control *pc = ring->private;
- u32 scratch_addr = pc->gtt_offset + 128;
+ u32 scratch_addr = ring->scratch.gtt_offset + 128;
int ret;
u32 invalidate_domains, u32 flush_domains)
{
u32 flags = 0;
- struct pipe_control *pc = ring->private;
- u32 scratch_addr = pc->gtt_offset + 128;
+ u32 scratch_addr = ring->scratch.gtt_offset + 128;
int ret;
/* Force SNB workarounds for PIPE_CONTROL flushes */
u32 invalidate_domains, u32 flush_domains)
{
u32 flags = 0;
- struct pipe_control *pc = ring->private;
- u32 scratch_addr = pc->gtt_offset + 128;
+ u32 scratch_addr = ring->scratch.gtt_offset + 128;
int ret;
/*
* registers with the above sequence (the readback of the HEAD registers
* also enforces ordering), otherwise the hw might lose the new ring
* register values. */
- I915_WRITE_START(ring, obj->gtt_offset);
+ I915_WRITE_START(ring, i915_gem_obj_ggtt_offset(obj));
I915_WRITE_CTL(ring,
((ring->size - PAGE_SIZE) & RING_NR_PAGES)
| RING_VALID);
/* If the head is still not zero, the ring is dead */
if (wait_for((I915_READ_CTL(ring) & RING_VALID) != 0 &&
- I915_READ_START(ring) == obj->gtt_offset &&
+ I915_READ_START(ring) == i915_gem_obj_ggtt_offset(obj) &&
(I915_READ_HEAD(ring) & HEAD_ADDR) == 0, 50)) {
DRM_ERROR("%s initialization failed "
"ctl %08x head %08x tail %08x start %08x\n",
static int
init_pipe_control(struct intel_ring_buffer *ring)
{
- struct pipe_control *pc;
- struct drm_i915_gem_object *obj;
int ret;
- if (ring->private)
+ if (ring->scratch.obj)
return 0;
- pc = kmalloc(sizeof(*pc), GFP_KERNEL);
- if (!pc)
- return -ENOMEM;
-
- obj = i915_gem_alloc_object(ring->dev, 4096);
- if (obj == NULL) {
+ ring->scratch.obj = i915_gem_alloc_object(ring->dev, 4096);
+ if (ring->scratch.obj == NULL) {
DRM_ERROR("Failed to allocate seqno page\n");
ret = -ENOMEM;
goto err;
}
- i915_gem_object_set_cache_level(obj, I915_CACHE_LLC);
+ i915_gem_object_set_cache_level(ring->scratch.obj, I915_CACHE_LLC);
- ret = i915_gem_object_pin(obj, 4096, true, false);
+ ret = i915_gem_obj_ggtt_pin(ring->scratch.obj, 4096, true, false);
if (ret)
goto err_unref;
- pc->gtt_offset = obj->gtt_offset;
- pc->cpu_page = kmap(sg_page(obj->pages->sgl));
- if (pc->cpu_page == NULL) {
+ ring->scratch.gtt_offset = i915_gem_obj_ggtt_offset(ring->scratch.obj);
+ ring->scratch.cpu_page = kmap(sg_page(ring->scratch.obj->pages->sgl));
+ if (ring->scratch.cpu_page == NULL) {
ret = -ENOMEM;
goto err_unpin;
}
DRM_DEBUG_DRIVER("%s pipe control offset: 0x%08x\n",
- ring->name, pc->gtt_offset);
-
- pc->obj = obj;
- ring->private = pc;
+ ring->name, ring->scratch.gtt_offset);
return 0;
err_unpin:
- i915_gem_object_unpin(obj);
+ i915_gem_object_unpin(ring->scratch.obj);
err_unref:
- drm_gem_object_unreference(&obj->base);
+ drm_gem_object_unreference(&ring->scratch.obj->base);
err:
- kfree(pc);
return ret;
}
-static void
-cleanup_pipe_control(struct intel_ring_buffer *ring)
-{
- struct pipe_control *pc = ring->private;
- struct drm_i915_gem_object *obj;
-
- obj = pc->obj;
-
- kunmap(sg_page(obj->pages->sgl));
- i915_gem_object_unpin(obj);
- drm_gem_object_unreference(&obj->base);
-
- kfree(pc);
-}
-
static int init_render_ring(struct intel_ring_buffer *ring)
{
struct drm_device *dev = ring->dev;
{
struct drm_device *dev = ring->dev;
- if (!ring->private)
+ if (ring->scratch.obj == NULL)
return;
- if (HAS_BROKEN_CS_TLB(dev))
- drm_gem_object_unreference(to_gem_object(ring->private));
-
- if (INTEL_INFO(dev)->gen >= 5)
- cleanup_pipe_control(ring);
+ if (INTEL_INFO(dev)->gen >= 5) {
+ kunmap(sg_page(ring->scratch.obj->pages->sgl));
+ i915_gem_object_unpin(ring->scratch.obj);
+ }
- ring->private = NULL;
+ drm_gem_object_unreference(&ring->scratch.obj->base);
+ ring->scratch.obj = NULL;
}
static void
#define MBOX_UPDATE_DWORDS 4
intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));
intel_ring_emit(ring, mmio_offset);
- intel_ring_emit(ring, ring->outstanding_lazy_request);
+ intel_ring_emit(ring, ring->outstanding_lazy_seqno);
intel_ring_emit(ring, MI_NOOP);
}
intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- intel_ring_emit(ring, ring->outstanding_lazy_request);
+ intel_ring_emit(ring, ring->outstanding_lazy_seqno);
intel_ring_emit(ring, MI_USER_INTERRUPT);
- intel_ring_advance(ring);
+ __intel_ring_advance(ring);
return 0;
}
static int
pc_render_add_request(struct intel_ring_buffer *ring)
{
- struct pipe_control *pc = ring->private;
- u32 scratch_addr = pc->gtt_offset + 128;
+ u32 scratch_addr = ring->scratch.gtt_offset + 128;
int ret;
/* For Ironlake, MI_USER_INTERRUPT was deprecated and apparently
intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE |
PIPE_CONTROL_WRITE_FLUSH |
PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE);
- intel_ring_emit(ring, pc->gtt_offset | PIPE_CONTROL_GLOBAL_GTT);
- intel_ring_emit(ring, ring->outstanding_lazy_request);
+ intel_ring_emit(ring, ring->scratch.gtt_offset | PIPE_CONTROL_GLOBAL_GTT);
+ intel_ring_emit(ring, ring->outstanding_lazy_seqno);
intel_ring_emit(ring, 0);
PIPE_CONTROL_FLUSH(ring, scratch_addr);
scratch_addr += 128; /* write to separate cachelines */
PIPE_CONTROL_WRITE_FLUSH |
PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE |
PIPE_CONTROL_NOTIFY);
- intel_ring_emit(ring, pc->gtt_offset | PIPE_CONTROL_GLOBAL_GTT);
- intel_ring_emit(ring, ring->outstanding_lazy_request);
+ intel_ring_emit(ring, ring->scratch.gtt_offset | PIPE_CONTROL_GLOBAL_GTT);
+ intel_ring_emit(ring, ring->outstanding_lazy_seqno);
intel_ring_emit(ring, 0);
- intel_ring_advance(ring);
+ __intel_ring_advance(ring);
return 0;
}
static u32
pc_render_get_seqno(struct intel_ring_buffer *ring, bool lazy_coherency)
{
- struct pipe_control *pc = ring->private;
- return pc->cpu_page[0];
+ return ring->scratch.cpu_page[0];
}
static void
pc_render_set_seqno(struct intel_ring_buffer *ring, u32 seqno)
{
- struct pipe_control *pc = ring->private;
- pc->cpu_page[0] = seqno;
+ ring->scratch.cpu_page[0] = seqno;
}
static bool
return false;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount.gt++ == 0) {
- dev_priv->gt_irq_mask &= ~ring->irq_enable_mask;
- I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
- POSTING_READ(GTIMR);
- }
+ if (ring->irq_refcount++ == 0)
+ ilk_enable_gt_irq(dev_priv, ring->irq_enable_mask);
spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
return true;
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount.gt == 0) {
- dev_priv->gt_irq_mask |= ring->irq_enable_mask;
- I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
- POSTING_READ(GTIMR);
- }
+ if (--ring->irq_refcount == 0)
+ ilk_disable_gt_irq(dev_priv, ring->irq_enable_mask);
spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
}
return false;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount.gt++ == 0) {
+ if (ring->irq_refcount++ == 0) {
dev_priv->irq_mask &= ~ring->irq_enable_mask;
I915_WRITE(IMR, dev_priv->irq_mask);
POSTING_READ(IMR);
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount.gt == 0) {
+ if (--ring->irq_refcount == 0) {
dev_priv->irq_mask |= ring->irq_enable_mask;
I915_WRITE(IMR, dev_priv->irq_mask);
POSTING_READ(IMR);
return false;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount.gt++ == 0) {
+ if (ring->irq_refcount++ == 0) {
dev_priv->irq_mask &= ~ring->irq_enable_mask;
I915_WRITE16(IMR, dev_priv->irq_mask);
POSTING_READ16(IMR);
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount.gt == 0) {
+ if (--ring->irq_refcount == 0) {
dev_priv->irq_mask |= ring->irq_enable_mask;
I915_WRITE16(IMR, dev_priv->irq_mask);
POSTING_READ16(IMR);
I915_WRITE(mmio, (u32)ring->status_page.gfx_addr);
POSTING_READ(mmio);
+
+ /* Flush the TLB for this page */
+ if (INTEL_INFO(dev)->gen >= 6) {
+ u32 reg = RING_INSTPM(ring->mmio_base);
+ I915_WRITE(reg,
+ _MASKED_BIT_ENABLE(INSTPM_TLB_INVALIDATE |
+ INSTPM_SYNC_FLUSH));
+ if (wait_for((I915_READ(reg) & INSTPM_SYNC_FLUSH) == 0,
+ 1000))
+ DRM_ERROR("%s: wait for SyncFlush to complete for TLB invalidation timed out\n",
+ ring->name);
+ }
}
static int
intel_ring_emit(ring, MI_STORE_DWORD_INDEX);
intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
- intel_ring_emit(ring, ring->outstanding_lazy_request);
+ intel_ring_emit(ring, ring->outstanding_lazy_seqno);
intel_ring_emit(ring, MI_USER_INTERRUPT);
- intel_ring_advance(ring);
+ __intel_ring_advance(ring);
return 0;
}
gen6_gt_force_wake_get(dev_priv);
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (ring->irq_refcount.gt++ == 0) {
+ if (ring->irq_refcount++ == 0) {
if (HAS_L3_GPU_CACHE(dev) && ring->id == RCS)
I915_WRITE_IMR(ring,
~(ring->irq_enable_mask |
GT_RENDER_L3_PARITY_ERROR_INTERRUPT));
else
I915_WRITE_IMR(ring, ~ring->irq_enable_mask);
- dev_priv->gt_irq_mask &= ~ring->irq_enable_mask;
- I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
- POSTING_READ(GTIMR);
+ ilk_enable_gt_irq(dev_priv, ring->irq_enable_mask);
}
spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
unsigned long flags;
spin_lock_irqsave(&dev_priv->irq_lock, flags);
- if (--ring->irq_refcount.gt == 0) {
+ if (--ring->irq_refcount == 0) {
if (HAS_L3_GPU_CACHE(dev) && ring->id == RCS)
I915_WRITE_IMR(ring,
~GT_RENDER_L3_PARITY_ERROR_INTERRUPT);
else
I915_WRITE_IMR(ring, ~0);
- dev_priv->gt_irq_mask |= ring->irq_enable_mask;
- I915_WRITE(GTIMR, dev_priv->gt_irq_mask);
- POSTING_READ(GTIMR);
+ ilk_disable_gt_irq(dev_priv, ring->irq_enable_mask);
}
spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
if (!dev->irq_enabled)
return false;
- spin_lock_irqsave(&dev_priv->rps.lock, flags);
- if (ring->irq_refcount.pm++ == 0) {
- u32 pm_imr = I915_READ(GEN6_PMIMR);
+ spin_lock_irqsave(&dev_priv->irq_lock, flags);
+ if (ring->irq_refcount++ == 0) {
I915_WRITE_IMR(ring, ~ring->irq_enable_mask);
- I915_WRITE(GEN6_PMIMR, pm_imr & ~ring->irq_enable_mask);
- POSTING_READ(GEN6_PMIMR);
+ snb_enable_pm_irq(dev_priv, ring->irq_enable_mask);
}
- spin_unlock_irqrestore(&dev_priv->rps.lock, flags);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
return true;
}
if (!dev->irq_enabled)
return;
- spin_lock_irqsave(&dev_priv->rps.lock, flags);
- if (--ring->irq_refcount.pm == 0) {
- u32 pm_imr = I915_READ(GEN6_PMIMR);
+ spin_lock_irqsave(&dev_priv->irq_lock, flags);
+ if (--ring->irq_refcount == 0) {
I915_WRITE_IMR(ring, ~0);
- I915_WRITE(GEN6_PMIMR, pm_imr | ring->irq_enable_mask);
- POSTING_READ(GEN6_PMIMR);
+ snb_disable_pm_irq(dev_priv, ring->irq_enable_mask);
}
- spin_unlock_irqrestore(&dev_priv->rps.lock, flags);
+ spin_unlock_irqrestore(&dev_priv->irq_lock, flags);
}
static int
intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
} else {
- struct drm_i915_gem_object *obj = ring->private;
- u32 cs_offset = obj->gtt_offset;
+ u32 cs_offset = ring->scratch.gtt_offset;
if (len > I830_BATCH_LIMIT)
return -ENOSPC;
i915_gem_object_set_cache_level(obj, I915_CACHE_LLC);
- ret = i915_gem_object_pin(obj, 4096, true, false);
+ ret = i915_gem_obj_ggtt_pin(obj, 4096, true, false);
if (ret != 0) {
goto err_unref;
}
- ring->status_page.gfx_addr = obj->gtt_offset;
+ ring->status_page.gfx_addr = i915_gem_obj_ggtt_offset(obj);
ring->status_page.page_addr = kmap(sg_page(obj->pages->sgl));
if (ring->status_page.page_addr == NULL) {
ret = -ENOMEM;
ring->obj = obj;
- ret = i915_gem_object_pin(obj, PAGE_SIZE, true, false);
+ ret = i915_gem_obj_ggtt_pin(obj, PAGE_SIZE, true, false);
if (ret)
goto err_unref;
goto err_unpin;
ring->virtual_start =
- ioremap_wc(dev_priv->gtt.mappable_base + obj->gtt_offset,
+ ioremap_wc(dev_priv->gtt.mappable_base + i915_gem_obj_ggtt_offset(obj),
ring->size);
if (ring->virtual_start == NULL) {
DRM_ERROR("Failed to map ringbuffer.\n");
if (ret != -ENOSPC)
return ret;
+ /* force the tail write in case we have been skipping them */
+ __intel_ring_advance(ring);
+
trace_i915_ring_wait_begin(ring);
/* With GEM the hangcheck timer should kick us out of the loop,
* leaving it early runs the risk of corrupting GEM state (due
int ret;
/* We need to add any requests required to flush the objects and ring */
- if (ring->outstanding_lazy_request) {
+ if (ring->outstanding_lazy_seqno) {
ret = i915_add_request(ring, NULL);
if (ret)
return ret;
static int
intel_ring_alloc_seqno(struct intel_ring_buffer *ring)
{
- if (ring->outstanding_lazy_request)
+ if (ring->outstanding_lazy_seqno)
return 0;
- return i915_gem_get_seqno(ring->dev, &ring->outstanding_lazy_request);
+ if (ring->preallocated_lazy_request == NULL) {
+ struct drm_i915_gem_request *request;
+
+ request = kmalloc(sizeof(*request), GFP_KERNEL);
+ if (request == NULL)
+ return -ENOMEM;
+
+ ring->preallocated_lazy_request = request;
+ }
+
+ return i915_gem_get_seqno(ring->dev, &ring->outstanding_lazy_seqno);
}
static int __intel_ring_begin(struct intel_ring_buffer *ring,
{
struct drm_i915_private *dev_priv = ring->dev->dev_private;
- BUG_ON(ring->outstanding_lazy_request);
+ BUG_ON(ring->outstanding_lazy_seqno);
if (INTEL_INFO(ring->dev)->gen >= 6) {
I915_WRITE(RING_SYNC_0(ring->mmio_base), 0);
I915_WRITE(RING_SYNC_1(ring->mmio_base), 0);
+ if (HAS_VEBOX(ring->dev))
+ I915_WRITE(RING_SYNC_2(ring->mmio_base), 0);
}
ring->set_seqno(ring, seqno);
ring->hangcheck.seqno = seqno;
}
-void intel_ring_advance(struct intel_ring_buffer *ring)
-{
- struct drm_i915_private *dev_priv = ring->dev->dev_private;
-
- ring->tail &= ring->size - 1;
- if (dev_priv->gpu_error.stop_rings & intel_ring_flag(ring))
- return;
- ring->write_tail(ring, ring->tail);
-}
-
-
static void gen6_bsd_ring_write_tail(struct intel_ring_buffer *ring,
u32 value)
{
return -ENOMEM;
}
- ret = i915_gem_object_pin(obj, 0, true, false);
+ ret = i915_gem_obj_ggtt_pin(obj, 0, true, false);
if (ret != 0) {
drm_gem_object_unreference(&obj->base);
DRM_ERROR("Failed to ping batch bo\n");
return ret;
}
- ring->private = obj;
+ ring->scratch.obj = obj;
+ ring->scratch.gtt_offset = i915_gem_obj_ggtt_offset(obj);
}
return intel_init_ring_buffer(dev, ring);
ring->add_request = gen6_add_request;
ring->get_seqno = gen6_ring_get_seqno;
ring->set_seqno = ring_set_seqno;
- ring->irq_enable_mask = PM_VEBOX_USER_INTERRUPT |
- PM_VEBOX_CS_ERROR_INTERRUPT;
+ ring->irq_enable_mask = PM_VEBOX_USER_INTERRUPT;
ring->irq_get = hsw_vebox_get_irq;
ring->irq_put = hsw_vebox_put_irq;
ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer;
projects / deliverable / linux.git / blobdiff