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drm/etnaviv: move flush_seq increment into etnaviv_iommu_map/unmap

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The flush sequence is a marker that the page tables have been changed
and any affected TLBs need to be flushed. Move the flush_seq increment
a little further down the call stack to place it next to the actual
page table manipulation. Not functional change.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Guido Günther <agx@sigxcpu.org>
Acked-by: Guido Günther <agx@sigxcpu.org>
This commit is contained in:
Lucas Stach 2022-03-23 17:08:24 +01:00
parent 11ad6a1f18
commit 9247fcca39
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/etnaviv/etnaviv_mmu.c
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@ -92,6 +92,8 @@ static int etnaviv_iommu_map(struct etnaviv_iommu_context *context, u32 iova,
da += bytes;
}
context->flush_seq++;
return 0;
fail:
@ -117,6 +119,8 @@ static void etnaviv_iommu_unmap(struct etnaviv_iommu_context *context, u32 iova,
da += bytes;
}
context->flush_seq++;
}
static void etnaviv_iommu_remove_mapping(struct etnaviv_iommu_context *context,
@ -274,7 +278,6 @@ int etnaviv_iommu_map_gem(struct etnaviv_iommu_context *context,
mapping->context = etnaviv_iommu_context_get(context);
list_add_tail(&mapping->mmu_node, &context->mappings);
context->flush_seq++;
unlock:
mutex_unlock(&context->lock);
@ -299,7 +302,6 @@ void etnaviv_iommu_unmap_gem(struct etnaviv_iommu_context *context,
etnaviv_iommu_remove_mapping(context, mapping);
list_del(&mapping->mmu_node);
context->flush_seq++;
mutex_unlock(&context->lock);
etnaviv_iommu_context_put(context);
}