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path: root/drivers/gpu/drm/panfrost/panfrost_mmu.c
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Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_mmu.c')
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_mmu.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
index d1ebde3327fe..387d830cb7cf 100644
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
@@ -129,8 +129,10 @@ static void panfrost_mmu_enable(struct panfrost_device *pfdev, struct panfrost_m
write_cmd(pfdev, as_nr, AS_COMMAND_UPDATE);
}
-static void mmu_disable(struct panfrost_device *pfdev, u32 as_nr)
+static void panfrost_mmu_disable(struct panfrost_device *pfdev, u32 as_nr)
{
+ mmu_hw_do_operation_locked(pfdev, as_nr, 0, ~0UL, AS_COMMAND_FLUSH_MEM);
+
mmu_write(pfdev, AS_TRANSTAB_LO(as_nr), 0);
mmu_write(pfdev, AS_TRANSTAB_HI(as_nr), 0);
@@ -321,11 +323,7 @@ void panfrost_mmu_unmap(struct panfrost_gem_object *bo)
}
static void mmu_tlb_inv_context_s1(void *cookie)
-{
- struct panfrost_file_priv *priv = cookie;
-
- mmu_hw_do_operation(priv->pfdev, &priv->mmu, 0, ~0UL, AS_COMMAND_FLUSH_MEM);
-}
+{}
static void mmu_tlb_inv_range_nosync(unsigned long iova, size_t size,
size_t granule, bool leaf, void *cookie)
@@ -374,6 +372,11 @@ void panfrost_mmu_pgtable_free(struct panfrost_file_priv *priv)
spin_lock(&pfdev->as_lock);
if (mmu->as >= 0) {
+ pm_runtime_get_noresume(pfdev->dev);
+ if (pm_runtime_active(pfdev->dev))
+ panfrost_mmu_disable(pfdev, mmu->as);
+ pm_runtime_put_autosuspend(pfdev->dev);
+
clear_bit(mmu->as, &pfdev->as_alloc_mask);
clear_bit(mmu->as, &pfdev->as_in_use_mask);
list_del(&mmu->list);
@@ -618,5 +621,4 @@ int panfrost_mmu_init(struct panfrost_device *pfdev)
void panfrost_mmu_fini(struct panfrost_device *pfdev)
{
mmu_write(pfdev, MMU_INT_MASK, 0);
- mmu_disable(pfdev, 0);
}