[PATCH 2/5] drm/mgag200: Integrate init function into load function
Thomas Zimmermann
tzimmermann at suse.de
Tue May 5 09:56:46 UTC 2020
Done to simplify initialization code before embedding the DRM device
instance in struct mga_device.
Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
drivers/gpu/drm/mgag200/mgag200_main.c | 67 ++++++++++----------------
1 file changed, 26 insertions(+), 41 deletions(-)
diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
index b705b7776d2fc..3830d3f3c9fa2 100644
--- a/drivers/gpu/drm/mgag200/mgag200_main.c
+++ b/drivers/gpu/drm/mgag200/mgag200_main.c
@@ -89,12 +89,23 @@ static int mga_vram_init(struct mga_device *mdev)
return 0;
}
-static int mgag200_device_init(struct drm_device *dev,
- uint32_t flags)
+/*
+ * Functions here will be called by the core once it's bound the driver to
+ * a PCI device
+ */
+
+
+int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
{
- struct mga_device *mdev = to_mga_device(dev);
+ struct mga_device *mdev;
int ret, option;
+ mdev = devm_kzalloc(dev->dev, sizeof(struct mga_device), GFP_KERNEL);
+ if (mdev == NULL)
+ return -ENOMEM;
+ dev->dev_private = (void *)mdev;
+ mdev->dev = dev;
+
mdev->flags = mgag200_flags_from_driver_data(flags);
mdev->type = mgag200_type_from_driver_data(flags);
@@ -110,7 +121,7 @@ static int mgag200_device_init(struct drm_device *dev,
if (!devm_request_mem_region(mdev->dev->dev, mdev->rmmio_base, mdev->rmmio_size,
"mgadrmfb_mmio")) {
- DRM_ERROR("can't reserve mmio registers\n");
+ drm_err(dev, "can't reserve mmio registers\n");
return -ENOMEM;
}
@@ -121,8 +132,8 @@ static int mgag200_device_init(struct drm_device *dev,
/* stash G200 SE model number for later use */
if (IS_G200_SE(mdev)) {
mdev->unique_rev_id = RREG32(0x1e24);
- DRM_DEBUG("G200 SE unique revision id is 0x%x\n",
- mdev->unique_rev_id);
+ drm_dbg(dev, "G200 SE unique revision id is 0x%x\n",
+ mdev->unique_rev_id);
}
ret = mga_vram_init(mdev);
@@ -133,33 +144,9 @@ static int mgag200_device_init(struct drm_device *dev,
mdev->bpp_shifts[1] = 1;
mdev->bpp_shifts[2] = 0;
mdev->bpp_shifts[3] = 2;
- return 0;
-}
-/*
- * Functions here will be called by the core once it's bound the driver to
- * a PCI device
- */
-
-
-int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
-{
- struct mga_device *mdev;
- int r;
-
- mdev = devm_kzalloc(dev->dev, sizeof(struct mga_device), GFP_KERNEL);
- if (mdev == NULL)
- return -ENOMEM;
- dev->dev_private = (void *)mdev;
- mdev->dev = dev;
-
- r = mgag200_device_init(dev, flags);
- if (r) {
- dev_err(&dev->pdev->dev, "Fatal error during GPU init: %d\n", r);
- return r;
- }
- r = mgag200_mm_init(mdev);
- if (r)
+ ret = mgag200_mm_init(mdev);
+ if (ret)
goto err_mm;
drm_mode_config_init(dev);
@@ -170,16 +157,15 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
dev->mode_config.preferred_depth = 32;
dev->mode_config.prefer_shadow = 1;
- r = mgag200_modeset_init(mdev);
- if (r) {
- dev_err(&dev->pdev->dev, "Fatal error during modeset init: %d\n", r);
+ ret = mgag200_modeset_init(mdev);
+ if (ret) {
+ drm_err(dev, "Fatal error during modeset init: %d\n", ret);
goto err_modeset;
}
- r = mgag200_cursor_init(mdev);
- if (r)
- dev_warn(&dev->pdev->dev,
- "Could not initialize cursors. Not doing hardware cursors.\n");
+ ret = mgag200_cursor_init(mdev);
+ if (ret)
+ drm_err(dev, "Could not initialize cursors. Not doing hardware cursors.\n");
return 0;
@@ -189,8 +175,7 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
mgag200_mm_fini(mdev);
err_mm:
dev->dev_private = NULL;
-
- return r;
+ return ret;
}
void mgag200_driver_unload(struct drm_device *dev)
--
2.26.0
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