diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.h | 9 |
2 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 69bbe7bb9f6d..f536a9951ab3 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -727,6 +727,12 @@ ring_get_seqno(struct intel_ring_buffer *ring, bool lazy_coherency) return intel_read_status_page(ring, I915_GEM_HWS_INDEX); } +static void +ring_set_seqno(struct intel_ring_buffer *ring, u32 seqno) +{ + intel_write_status_page(ring, I915_GEM_HWS_INDEX, seqno); +} + static u32 pc_render_get_seqno(struct intel_ring_buffer *ring, bool lazy_coherency) { @@ -734,6 +740,13 @@ pc_render_get_seqno(struct intel_ring_buffer *ring, bool lazy_coherency) return pc->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; +} + static bool gen5_ring_get_irq(struct intel_ring_buffer *ring) { @@ -1602,6 +1615,7 @@ int intel_init_render_ring_buffer(struct drm_device *dev) ring->irq_put = gen6_ring_put_irq; ring->irq_enable_mask = GT_USER_INTERRUPT; ring->get_seqno = gen6_ring_get_seqno; + ring->set_seqno = ring_set_seqno; ring->sync_to = gen6_ring_sync; ring->semaphore_register[0] = MI_SEMAPHORE_SYNC_INVALID; ring->semaphore_register[1] = MI_SEMAPHORE_SYNC_RV; @@ -1612,6 +1626,7 @@ int intel_init_render_ring_buffer(struct drm_device *dev) ring->add_request = pc_render_add_request; ring->flush = gen4_render_ring_flush; ring->get_seqno = pc_render_get_seqno; + ring->set_seqno = pc_render_set_seqno; ring->irq_get = gen5_ring_get_irq; ring->irq_put = gen5_ring_put_irq; ring->irq_enable_mask = GT_USER_INTERRUPT | GT_PIPE_NOTIFY; @@ -1622,6 +1637,7 @@ int intel_init_render_ring_buffer(struct drm_device *dev) else ring->flush = gen4_render_ring_flush; ring->get_seqno = ring_get_seqno; + ring->set_seqno = ring_set_seqno; if (IS_GEN2(dev)) { ring->irq_get = i8xx_ring_get_irq; ring->irq_put = i8xx_ring_put_irq; @@ -1672,6 +1688,7 @@ int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size) else ring->flush = gen4_render_ring_flush; ring->get_seqno = ring_get_seqno; + ring->set_seqno = ring_set_seqno; if (IS_GEN2(dev)) { ring->irq_get = i8xx_ring_get_irq; ring->irq_put = i8xx_ring_put_irq; @@ -1732,6 +1749,7 @@ int intel_init_bsd_ring_buffer(struct drm_device *dev) ring->flush = gen6_ring_flush; ring->add_request = gen6_add_request; ring->get_seqno = gen6_ring_get_seqno; + ring->set_seqno = ring_set_seqno; ring->irq_enable_mask = GEN6_BSD_USER_INTERRUPT; ring->irq_get = gen6_ring_get_irq; ring->irq_put = gen6_ring_put_irq; @@ -1747,6 +1765,7 @@ int intel_init_bsd_ring_buffer(struct drm_device *dev) ring->flush = bsd_ring_flush; ring->add_request = i9xx_add_request; ring->get_seqno = ring_get_seqno; + ring->set_seqno = ring_set_seqno; if (IS_GEN5(dev)) { ring->irq_enable_mask = GT_BSD_USER_INTERRUPT; ring->irq_get = gen5_ring_get_irq; @@ -1776,6 +1795,7 @@ int intel_init_blt_ring_buffer(struct drm_device *dev) ring->flush = blt_ring_flush; ring->add_request = gen6_add_request; ring->get_seqno = gen6_ring_get_seqno; + ring->set_seqno = ring_set_seqno; ring->irq_enable_mask = GEN6_BLITTER_USER_INTERRUPT; ring->irq_get = gen6_ring_get_irq; ring->irq_put = gen6_ring_put_irq; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index b4a533e53fd1..4a7cd67742da 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -79,6 +79,8 @@ struct intel_ring_buffer { */ u32 (*get_seqno)(struct intel_ring_buffer *ring, bool lazy_coherency); + void (*set_seqno)(struct intel_ring_buffer *ring, + u32 seqno); int (*dispatch_execbuffer)(struct intel_ring_buffer *ring, u32 offset, u32 length, unsigned flags); @@ -166,6 +168,13 @@ intel_read_status_page(struct intel_ring_buffer *ring, return ring->status_page.page_addr[reg]; } +static inline void +intel_write_status_page(struct intel_ring_buffer *ring, + int reg, u32 value) +{ + ring->status_page.page_addr[reg] = value; +} + /** * Reads a dword out of the status page, which is written to from the command * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or |