diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.h | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index a0bc7a8222b4..ce6cc2a6cf7a 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -300,24 +300,44 @@ struct intel_engine_execlists { struct rb_node *first; /** - * @fw_domains: forcewake domains for irq tasklet + * @csb_read: control register for Context Switch buffer + * + * Note this register is always in mmio. */ - unsigned int fw_domains; + u32 __iomem *csb_read; /** - * @csb_head: context status buffer head + * @csb_write: control register for Context Switch buffer + * + * Note this register may be either mmio or HWSP shadow. */ - unsigned int csb_head; + u32 *csb_write; /** - * @csb_use_mmio: access csb through mmio, instead of hwsp + * @csb_status: status array for Context Switch buffer + * + * Note these register may be either mmio or HWSP shadow. */ - bool csb_use_mmio; + u32 *csb_status; /** * @preempt_complete_status: expected CSB upon completing preemption */ u32 preempt_complete_status; + + /** + * @csb_write_reset: reset value for CSB write pointer + * + * As the CSB write pointer maybe either in HWSP or as a field + * inside an mmio register, we want to reprogram it slightly + * differently to avoid later confusion. + */ + u32 csb_write_reset; + + /** + * @csb_head: context status buffer head + */ + u8 csb_head; }; #define INTEL_ENGINE_CS_MAX_NAME 8 @@ -345,10 +365,8 @@ struct intel_engine_cs { struct drm_i915_gem_object *default_state; void *pinned_default_state; - atomic_t irq_count; unsigned long irq_posted; #define ENGINE_IRQ_BREADCRUMB 0 -#define ENGINE_IRQ_EXECLIST 1 /* Rather than have every client wait upon all user interrupts, * with the herd waking after every interrupt and each doing the @@ -380,6 +398,7 @@ struct intel_engine_cs { unsigned int hangcheck_interrupts; unsigned int irq_enabled; + unsigned int irq_count; bool irq_armed : 1; I915_SELFTEST_DECLARE(bool mock : 1); @@ -928,11 +947,10 @@ static inline u32 intel_hws_preempt_done_address(struct intel_engine_cs *engine) /* intel_breadcrumbs.c -- user interrupt bottom-half for waiters */ int intel_engine_init_breadcrumbs(struct intel_engine_cs *engine); -static inline void intel_wait_init(struct intel_wait *wait, - struct i915_request *rq) +static inline void intel_wait_init(struct intel_wait *wait) { wait->tsk = current; - wait->request = rq; + wait->request = NULL; } static inline void intel_wait_init_for_seqno(struct intel_wait *wait, u32 seqno) |