Commit 5a40837d authored by Lucas Stach's avatar Lucas Stach
Browse files

drm/etnaviv: move idle mapping reaping into separate function 



The same logic is already used in two different places and now
it will also be needed outside of the compilation unit, so split
it into a separate function.

Cc: stable@vger.kernel.org # 5.19
Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
Reviewed-by: default avatarGuido Günther <agx@sigxcpu.org>
parent 6cffb1c2

drivers/gpu/drm/etnaviv/etnaviv_mmu.c

+15 −8
Original line number Diff line number Diff line
@@ -135,6 +135,19 @@ static void etnaviv_iommu_remove_mapping(struct etnaviv_iommu_context *context, 
	drm_mm_remove_node(&mapping->vram_node);

}



void etnaviv_iommu_reap_mapping(struct etnaviv_vram_mapping *mapping)

{

	struct etnaviv_iommu_context *context = mapping->context;



	lockdep_assert_held(&context->lock);

	WARN_ON(mapping->use);



	etnaviv_iommu_remove_mapping(context, mapping);

	etnaviv_iommu_context_put(mapping->context);

	mapping->context = NULL;

	list_del_init(&mapping->mmu_node);

}



static int etnaviv_iommu_find_iova(struct etnaviv_iommu_context *context,

				   struct drm_mm_node *node, size_t size)

{
@@ -202,10 +215,7 @@ static int etnaviv_iommu_find_iova(struct etnaviv_iommu_context *context, 
		 * this mapping.

		 */

		list_for_each_entry_safe(m, n, &list, scan_node) {

			etnaviv_iommu_remove_mapping(context, m);

			etnaviv_iommu_context_put(m->context);

			m->context = NULL;

			list_del_init(&m->mmu_node);

			etnaviv_iommu_reap_mapping(m);

			list_del_init(&m->scan_node);

		}
@@ -257,10 +267,7 @@ static int etnaviv_iommu_insert_exact(struct etnaviv_iommu_context *context, 
	}



	list_for_each_entry_safe(m, n, &scan_list, scan_node) {

		etnaviv_iommu_remove_mapping(context, m);

		etnaviv_iommu_context_put(m->context);

		m->context = NULL;

		list_del_init(&m->mmu_node);

		etnaviv_iommu_reap_mapping(m);

		list_del_init(&m->scan_node);

	}

drivers/gpu/drm/etnaviv/etnaviv_mmu.h

+1 −0
Original line number Diff line number Diff line
@@ -91,6 +91,7 @@ int etnaviv_iommu_map_gem(struct etnaviv_iommu_context *context, 
	struct etnaviv_vram_mapping *mapping, u64 va);

void etnaviv_iommu_unmap_gem(struct etnaviv_iommu_context *context,

	struct etnaviv_vram_mapping *mapping);

void etnaviv_iommu_reap_mapping(struct etnaviv_vram_mapping *mapping);



int etnaviv_iommu_get_suballoc_va(struct etnaviv_iommu_context *ctx,

				  struct etnaviv_vram_mapping *mapping,