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path: root/drivers/gpu/drm/i915/i915_dma.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 0a9d0adc5a63..e281298c6fd5 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1459,6 +1459,25 @@ static void i915_dump_device_info(struct drm_i915_private *dev_priv)
#undef SEP_COMMA
}
+/*
+ * Determine various intel_device_info fields at runtime.
+ *
+ * Use it when either:
+ * - it's judged too laborious to fill n static structures with the limit
+ * when a simple if statement does the job,
+ * - run-time checks (eg read fuse/strap registers) are needed.
+ */
+static void intel_device_info_runtime_init(struct drm_device *dev)
+{
+ struct intel_device_info *info;
+
+ info = (struct intel_device_info *)&to_i915(dev)->info;
+
+ info->num_sprites = 1;
+ if (IS_VALLEYVIEW(dev))
+ info->num_sprites = 2;
+}
+
/**
* i915_driver_load - setup chip and create an initial config
* @dev: DRM device
@@ -1638,9 +1657,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
if (!IS_I945G(dev) && !IS_I945GM(dev))
pci_enable_msi(dev->pdev);
- dev_priv->num_plane = 1;
- if (IS_VALLEYVIEW(dev))
- dev_priv->num_plane = 2;
+ intel_device_info_runtime_init(dev);
if (INTEL_INFO(dev)->num_pipes) {
ret = drm_vblank_init(dev, INTEL_INFO(dev)->num_pipes);
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