We'll want to extend this a bit to handle also a reserved-memory
("stolen") region, so that drm/msm can take-over bootloader splash
screen. First split it out into it's own fxn to reduce noise in
the following patch.
Signed-off-by: Rob Clark <robdclark@xxxxxxxxx>
---
drivers/gpu/drm/msm/msm_drv.c | 58 +++++++++++++++++++++++++------------------
1 file changed, 34 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index a426911..b250610 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -182,29 +182,9 @@ static int get_mdp_ver(struct platform_device *pdev)
return 4;
}
-static int msm_load(struct drm_device *dev, unsigned long flags)
+static int msm_init_vram(struct drm_device *dev)
{
- struct platform_device *pdev = dev->platformdev;
- struct msm_drm_private *priv;
- struct msm_kms *kms;
- int ret;
-
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (!priv) {
- dev_err(dev->dev, "failed to allocate private data\n");
- return -ENOMEM;
- }
-
- dev->dev_private = priv;
-
- priv->wq = alloc_ordered_workqueue("msm", 0);
- init_waitqueue_head(&priv->fence_event);
- init_waitqueue_head(&priv->pending_crtcs_event);
-
- INIT_LIST_HEAD(&priv->inactive_list);
- INIT_LIST_HEAD(&priv->fence_cbs);
-
- drm_mode_config_init(dev);
+ struct msm_drm_private *priv = dev->dev_private;
/* if we have no IOMMU, then we need to use carveout allocator.
* Grab the entire CMA chunk carved out in early startup in
@@ -232,8 +212,7 @@ static int msm_load(struct drm_device *dev, unsigned long flags)
if (!p) {
dev_err(dev->dev, "failed to allocate VRAM\n");
priv->vram.paddr = 0;
- ret = -ENOMEM;
- goto fail;
+ return -ENOMEM;
}
dev_info(dev->dev, "VRAM: %08x->%08x\n",
@@ -241,6 +220,37 @@ static int msm_load(struct drm_device *dev, unsigned long flags)
(uint32_t)(priv->vram.paddr + size));
}
+ return 0;
+}
+
+static int msm_load(struct drm_device *dev, unsigned long flags)
+{
+ struct platform_device *pdev = dev->platformdev;
+ struct msm_drm_private *priv;
+ struct msm_kms *kms;
+ int ret;
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv) {
+ dev_err(dev->dev, "failed to allocate private data\n");
+ return -ENOMEM;
+ }
+
+ dev->dev_private = priv;
+
+ priv->wq = alloc_ordered_workqueue("msm", 0);
+ init_waitqueue_head(&priv->fence_event);
+ init_waitqueue_head(&priv->pending_crtcs_event);
+
+ INIT_LIST_HEAD(&priv->inactive_list);
+ INIT_LIST_HEAD(&priv->fence_cbs);
+
+ drm_mode_config_init(dev);
+
+ ret = msm_init_vram(dev);
+ if (ret)
+ goto fail;
+
platform_set_drvdata(pdev, dev);
/* Bind all our sub-components: */
--
2.1.0
--
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