From 061dd493103f14f768475fa666f39377f41814bb Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Tue, 14 Apr 2015 17:35:13 +0200 Subject: [PATCH] drm/i915: Clean up aliasing ppgtt correctly on error paths While at it inline the free functions - they don't actually free the ppgtt, just clean up the allocations done for it. Reviewed-by: Mika Kuoppala Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_gem_gtt.c | 30 ++++++++++------------------- 1 file changed, 10 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 290db48faf27..abb11f139d25 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -672,8 +672,10 @@ static void gen8_free_page_tables(struct i915_page_directory *pd, struct drm_dev } } -static void gen8_ppgtt_free(struct i915_hw_ppgtt *ppgtt) +static void gen8_ppgtt_cleanup(struct i915_address_space *vm) { + struct i915_hw_ppgtt *ppgtt = + container_of(vm, struct i915_hw_ppgtt, base); int i; for_each_set_bit(i, ppgtt->pdp.used_pdpes, GEN8_LEGACY_PDPES) { @@ -688,14 +690,6 @@ static void gen8_ppgtt_free(struct i915_hw_ppgtt *ppgtt) unmap_and_free_pt(ppgtt->scratch_pt, ppgtt->base.dev); } -static void gen8_ppgtt_cleanup(struct i915_address_space *vm) -{ - struct i915_hw_ppgtt *ppgtt = - container_of(vm, struct i915_hw_ppgtt, base); - - gen8_ppgtt_free(ppgtt); -} - /** * gen8_ppgtt_alloc_pagetabs() - Allocate page tables for VA range. * @ppgtt: Master ppgtt structure. @@ -1454,11 +1448,16 @@ unwind_out: return ret; } -static void gen6_ppgtt_free(struct i915_hw_ppgtt *ppgtt) +static void gen6_ppgtt_cleanup(struct i915_address_space *vm) { + struct i915_hw_ppgtt *ppgtt = + container_of(vm, struct i915_hw_ppgtt, base); struct i915_page_table *pt; uint32_t pde; + + drm_mm_remove_node(&ppgtt->node); + gen6_for_all_pdes(pt, ppgtt, pde) { if (pt != ppgtt->scratch_pt) unmap_and_free_pt(pt, ppgtt->base.dev); @@ -1468,16 +1467,6 @@ static void gen6_ppgtt_free(struct i915_hw_ppgtt *ppgtt) unmap_and_free_pd(&ppgtt->pd, ppgtt->base.dev); } -static void gen6_ppgtt_cleanup(struct i915_address_space *vm) -{ - struct i915_hw_ppgtt *ppgtt = - container_of(vm, struct i915_hw_ppgtt, base); - - drm_mm_remove_node(&ppgtt->node); - - gen6_ppgtt_free(ppgtt); -} - static int gen6_ppgtt_allocate_page_directories(struct i915_hw_ppgtt *ppgtt) { struct drm_device *dev = ppgtt->base.dev; @@ -2268,6 +2257,7 @@ static int i915_gem_setup_global_gtt(struct drm_device *dev, ret = __hw_ppgtt_init(dev, ppgtt, true); if (ret) { + ppgtt->base.cleanup(&ppgtt->base); kfree(ppgtt); return ret; } -- 2.20.1