From b4ac46253bc9fe837e817b749a82ca69635d3aa4 Mon Sep 17 00:00:00 2001 From: Tvrtko Ursulin Date: Fri, 21 Jun 2019 08:07:59 +0100 Subject: [PATCH] drm/i915: Store intel_gt backpointer in vm This will come useful in the following patch. v2: * Handle mock ggtt. Signed-off-by: Tvrtko Ursulin Reviewed-by: Rodrigo Vivi Link: https://patchwork.freedesktop.org/patch/msgid/20190621070811.7006-21-tvrtko.ursulin@linux.intel.com --- drivers/gpu/drm/i915/i915_gem_gtt.c | 16 ++++++++++------ drivers/gpu/drm/i915/i915_gem_gtt.h | 1 + drivers/gpu/drm/i915/selftests/mock_gtt.c | 1 + 3 files changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 17f690f9d95dc..1467b65c9a100 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1603,9 +1603,11 @@ unwind: return -ENOMEM; } -static void ppgtt_init(struct drm_i915_private *i915, - struct i915_ppgtt *ppgtt) +static void ppgtt_init(struct i915_ppgtt *ppgtt, struct intel_gt *gt) { + struct drm_i915_private *i915 = gt->i915; + + ppgtt->vm.gt = gt; ppgtt->vm.i915 = i915; ppgtt->vm.dma = &i915->drm.pdev->dev; ppgtt->vm.total = BIT_ULL(INTEL_INFO(i915)->ppgtt_size); @@ -1634,7 +1636,7 @@ static struct i915_ppgtt *gen8_ppgtt_create(struct drm_i915_private *i915) if (!ppgtt) return ERR_PTR(-ENOMEM); - ppgtt_init(i915, ppgtt); + ppgtt_init(ppgtt, &i915->gt); /* * From bdw, there is hw support for read-only pages in the PPGTT. @@ -2141,7 +2143,7 @@ static struct i915_ppgtt *gen6_ppgtt_create(struct drm_i915_private *i915) if (!ppgtt) return ERR_PTR(-ENOMEM); - ppgtt_init(i915, &ppgtt->base); + ppgtt_init(&ppgtt->base, &i915->gt); ppgtt->base.vm.allocate_va_range = gen6_alloc_va_range; ppgtt->base.vm.clear_range = gen6_ppgtt_clear_range; @@ -3452,10 +3454,12 @@ static int i915_gmch_probe(struct i915_ggtt *ggtt) return 0; } -static int ggtt_probe_hw(struct i915_ggtt *ggtt, struct drm_i915_private *i915) +static int ggtt_probe_hw(struct i915_ggtt *ggtt, struct intel_gt *gt) { + struct drm_i915_private *i915 = gt->i915; int ret; + ggtt->vm.gt = gt; ggtt->vm.i915 = i915; ggtt->vm.dma = &i915->drm.pdev->dev; @@ -3501,7 +3505,7 @@ int i915_ggtt_probe_hw(struct drm_i915_private *i915) { int ret; - ret = ggtt_probe_hw(&i915->ggtt, i915); + ret = ggtt_probe_hw(&i915->ggtt, &i915->gt); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h index ca8ba458a3101..6d1aad555ffaf 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.h +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h @@ -288,6 +288,7 @@ struct i915_address_space { struct rcu_work rcu; struct drm_mm mm; + struct intel_gt *gt; struct drm_i915_private *i915; struct device *dma; /* Every address space belongs to a struct file - except for the global diff --git a/drivers/gpu/drm/i915/selftests/mock_gtt.c b/drivers/gpu/drm/i915/selftests/mock_gtt.c index f625c307a4060..215372f75eecd 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gtt.c +++ b/drivers/gpu/drm/i915/selftests/mock_gtt.c @@ -98,6 +98,7 @@ void mock_init_ggtt(struct drm_i915_private *i915, struct i915_ggtt *ggtt) { memset(ggtt, 0, sizeof(*ggtt)); + ggtt->vm.gt = &i915->gt; ggtt->vm.i915 = i915; ggtt->vm.is_ggtt = true; -- 2.39.5