This cleanup is similar to the GEN8 cleanup (though less necessary).
Having everything split will make cleaning the initialization path error
paths easier to understand.
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Ben Widawsky <ben@xxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 26 +++++++++++++++++++-------
1 file changed, 19 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 8b8ba38..3f2b8e8 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -1000,22 +1000,21 @@ static void gen6_ppgtt_insert_entries(struct i915_address_space *vm,
kunmap_atomic(pt_vaddr);
}
-static void gen6_ppgtt_cleanup(struct i915_address_space *vm)
+static void gen6_ppgtt_unmap_pages(struct i915_hw_ppgtt *ppgtt)
{
- struct i915_hw_ppgtt *ppgtt =
- container_of(vm, struct i915_hw_ppgtt, base);
int i;
- list_del(&vm->global_link);
- drm_mm_takedown(&ppgtt->base.mm);
- drm_mm_remove_node(&ppgtt->node);
-
if (ppgtt->pt_dma_addr) {
for (i = 0; i < ppgtt->num_pd_entries; i++)
pci_unmap_page(ppgtt->base.dev->pdev,
ppgtt->pt_dma_addr[i],
4096, PCI_DMA_BIDIRECTIONAL);
}
+}
+
+static void gen6_ppgtt_free(struct i915_hw_ppgtt *ppgtt)
+{
+ int i;
kfree(ppgtt->pt_dma_addr);
for (i = 0; i < ppgtt->num_pd_entries; i++)
@@ -1024,6 +1023,19 @@ static void gen6_ppgtt_cleanup(struct i915_address_space *vm)
kfree(ppgtt);
}
+static void gen6_ppgtt_cleanup(struct i915_address_space *vm)
+{
+ struct i915_hw_ppgtt *ppgtt =
+ container_of(vm, struct i915_hw_ppgtt, base);
+
+ list_del(&vm->global_link);
+ drm_mm_takedown(&ppgtt->base.mm);
+ drm_mm_remove_node(&ppgtt->node);
+
+ gen6_ppgtt_unmap_pages(ppgtt);
+ gen6_ppgtt_free(ppgtt);
+}
+
static int gen6_ppgtt_init(struct i915_hw_ppgtt *ppgtt)
{
#define GEN6_PD_ALIGN (PAGE_SIZE * 16)
--
1.9.0
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