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drm/xe/memirq: Drop cached iosys_map for MEMIRQ mask

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It is used occasionally and iosys_map_wr() helper takes an offset
parameter anyway. There is no extra benefit to keep a separate map.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Ilia Levi <ilia.levi@intel.com>
Link: https://patch.msgid.link/20260518192547.600-9-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2026-05-18 21:25:46 +02:00
parent 4c3077da4e
commit 17e974818c
2 changed files with 2 additions and 5 deletions
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5
drivers/gpu/drm/xe/xe_memirq.c
View File

@ -220,12 +220,10 @@ static int memirq_alloc_pages(struct xe_memirq *memirq)
memirq->bo = bo;
memirq->source = IOSYS_MAP_INIT_OFFSET(&bo->vmap, XE_MEMIRQ_SOURCE_OFFSET(0));
memirq->status = IOSYS_MAP_INIT_OFFSET(&bo->vmap, XE_MEMIRQ_STATUS_OFFSET(0));
memirq->mask = IOSYS_MAP_INIT_OFFSET(&bo->vmap, XE_MEMIRQ_ENABLE_OFFSET);
memirq->num_pages = num_pages;
memirq_assert(memirq, !memirq->source.is_iomem);
memirq_assert(memirq, !memirq->status.is_iomem);
memirq_assert(memirq, !memirq->mask.is_iomem);
memirq_debug(memirq, "pages: count %u size %zu\n", num_pages, bo_size);
memirq_debug(memirq, "page0: source %#x status %#x mask %#x\n",
@ -246,7 +244,8 @@ static void memirq_set_enable(struct xe_memirq *memirq, bool enable)
* We only care about the GT_MI_USER_INTERRUPT from the engines and
* the GuC does not look at the ENABLE mask at all.
*/
iosys_map_wr(&memirq->mask, 0, u32, enable ? GT_MI_USER_INTERRUPT : 0);
iosys_map_wr(&memirq->bo->vmap, XE_MEMIRQ_ENABLE_OFFSET, u32,
enable ? GT_MI_USER_INTERRUPT : 0);
memirq->enabled = enable;
}

2
drivers/gpu/drm/xe/xe_memirq_types.h
View File

@ -17,7 +17,6 @@ struct xe_bo;
* @num_pages: number of per-instance source/status pages.
* @source: iosys pointer to `Interrupt Source Report Page`_.
* @status: iosys pointer to `Interrupt Status Report Page`_.
* @mask: iosys pointer to Interrupt Enable Mask.
* @enabled: internal flag used to control processing of the interrupts.
*/
struct xe_memirq {
@ -25,7 +24,6 @@ struct xe_memirq {
unsigned int num_pages;
struct iosys_map source;
struct iosys_map status;
struct iosys_map mask;
bool enabled;
};