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drm/xe/memirq: Use IRQ page from HW engine definition

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We can now drop repeated calculations of the actual IRQ page used
by the engines from our memory based interrupt handler and other
functions.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Ilia Levi <ilia.levi@intel.com>
Link: https://patch.msgid.link/20260518192547.600-5-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2026-05-18 21:25:42 +02:00
parent 0be1268ef0
commit 37f1856e12
1 changed files with 10 additions and 28 deletions
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38
drivers/gpu/drm/xe/xe_memirq.c
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@ -263,15 +263,6 @@ int xe_memirq_init(struct xe_memirq *memirq)
return 0;
}
static u32 __memirq_source_page(struct xe_memirq *memirq, u16 instance)
{
memirq_assert(memirq, instance <= XE_HW_ENGINE_MAX_INSTANCE);
memirq_assert(memirq, memirq->bo);
instance = hw_reports_to_instance_zero(memirq) ? instance : 0;
return xe_bo_ggtt_addr(memirq->bo) + XE_MEMIRQ_SOURCE_OFFSET(instance);
}
/**
* xe_memirq_source_ptr - Get GGTT's offset of the `Interrupt Source Report Page`_.
* @memirq: the &xe_memirq to query
@ -286,16 +277,7 @@ u32 xe_memirq_source_ptr(struct xe_memirq *memirq, struct xe_hw_engine *hwe)
{
memirq_assert(memirq, xe_device_uses_memirq(memirq_to_xe(memirq)));
return __memirq_source_page(memirq, hwe->instance);
}
static u32 __memirq_status_page(struct xe_memirq *memirq, u16 instance)
{
memirq_assert(memirq, instance <= XE_HW_ENGINE_MAX_INSTANCE);
memirq_assert(memirq, memirq->bo);
instance = hw_reports_to_instance_zero(memirq) ? instance : 0;
return xe_bo_ggtt_addr(memirq->bo) + XE_MEMIRQ_STATUS_OFFSET(instance);
return xe_bo_ggtt_addr(memirq->bo) + XE_MEMIRQ_SOURCE_OFFSET(hwe->irq_page);
}
/**
@ -312,7 +294,7 @@ u32 xe_memirq_status_ptr(struct xe_memirq *memirq, struct xe_hw_engine *hwe)
{
memirq_assert(memirq, xe_device_uses_memirq(memirq_to_xe(memirq)));
return __memirq_status_page(memirq, hwe->instance);
return xe_bo_ggtt_addr(memirq->bo) + XE_MEMIRQ_STATUS_OFFSET(hwe->irq_page);
}
/**
@ -500,16 +482,16 @@ static void memirq_dispatch_guc(struct xe_memirq *memirq, struct iosys_map *stat
*/
void xe_memirq_hwe_handler(struct xe_memirq *memirq, struct xe_hw_engine *hwe)
{
u16 offset = hwe->irq_offset;
u16 instance = hw_reports_to_instance_zero(memirq) ? hwe->instance : 0;
struct iosys_map src_offset = IOSYS_MAP_INIT_OFFSET(&memirq->bo->vmap,
XE_MEMIRQ_SOURCE_OFFSET(instance));
struct iosys_map source =
IOSYS_MAP_INIT_OFFSET(&memirq->bo->vmap,
XE_MEMIRQ_SOURCE_OFFSET(hwe->irq_page));
if (memirq_received(memirq, &src_offset, offset, "SRC")) {
struct iosys_map status_offset =
if (memirq_received(memirq, &source, hwe->irq_offset, "SRC")) {
struct iosys_map status =
IOSYS_MAP_INIT_OFFSET(&memirq->bo->vmap,
XE_MEMIRQ_STATUS_OFFSET(instance) + offset * SZ_16);
memirq_dispatch_engine(memirq, &status_offset, hwe);
XE_MEMIRQ_VECTOR_OFFSET(hwe->irq_page,
hwe->irq_offset));
memirq_dispatch_engine(memirq, &status, hwe);
}
}