[18/33] drm/i915: Compartmentalize i915_ggtt_probe_hw
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Message ID 20190619132459.25351-19-tvrtko.ursulin@linux.intel.com
State New
Headers show
Series
  • Implicit dev_priv removal and GT compartmentalization
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Commit Message

Tvrtko Ursulin June 19, 2019, 1:24 p.m. UTC
From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Having made start to better code compartmentalization by introducing
struct intel_gt, continue the theme elsewhere in code by making functions
take parameters take what logically makes most sense for them instead of
the global struct drm_i915_private.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
 drivers/gpu/drm/i915/i915_gem_gtt.c | 31 +++++++++++++++++++----------
 1 file changed, 21 insertions(+), 10 deletions(-)

Patch
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diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index a8d8c1169a59..b34fed816a98 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -3501,21 +3501,16 @@  static int i915_gmch_probe(struct i915_ggtt *ggtt)
 	return 0;
 }
 
-/**
- * i915_ggtt_probe_hw - Probe GGTT hardware location
- * @dev_priv: i915 device
- */
-int i915_ggtt_probe_hw(struct drm_i915_private *dev_priv)
+static int ggtt_probe_hw(struct i915_ggtt *ggtt, struct drm_i915_private *i915)
 {
-	struct i915_ggtt *ggtt = &dev_priv->ggtt;
 	int ret;
 
-	ggtt->vm.i915 = dev_priv;
-	ggtt->vm.dma = &dev_priv->drm.pdev->dev;
+	ggtt->vm.i915 = i915;
+	ggtt->vm.dma = &i915->drm.pdev->dev;
 
-	if (INTEL_GEN(dev_priv) <= 5)
+	if (INTEL_GEN(i915) <= 5)
 		ret = i915_gmch_probe(ggtt);
-	else if (INTEL_GEN(dev_priv) < 8)
+	else if (INTEL_GEN(i915) < 8)
 		ret = gen6_gmch_probe(ggtt);
 	else
 		ret = gen8_gmch_probe(ggtt);
@@ -3543,6 +3538,22 @@  int i915_ggtt_probe_hw(struct drm_i915_private *dev_priv)
 	DRM_DEBUG_DRIVER("GMADR size = %lluM\n", (u64)ggtt->mappable_end >> 20);
 	DRM_DEBUG_DRIVER("DSM size = %lluM\n",
 			 (u64)resource_size(&intel_graphics_stolen_res) >> 20);
+
+	return 0;
+}
+
+/**
+ * i915_ggtt_probe_hw - Probe GGTT hardware location
+ * @dev_priv: i915 device
+ */
+int i915_ggtt_probe_hw(struct drm_i915_private *i915)
+{
+	int ret;
+
+	ret = ggtt_probe_hw(&i915->ggtt, i915);
+	if (ret)
+		return ret;
+
 	if (intel_vtd_active())
 		DRM_INFO("VT-d active for gfx access\n");