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drm/mgag200: Integrate init function into load function 

Done to simplify initialization code before embedding the DRM device
instance in struct mga_device.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200507090315.21274-4-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2020-05-07 11:03:12 +02:00
parent ed5877b62e
commit 0858083781
1 changed files with 19 additions and 40 deletions
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59
drivers/gpu/drm/mgag200/mgag200_main.c
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@ -90,12 +90,17 @@ static int mga_vram_init(struct mga_device *mdev)
return 0;
}
static int mgag200_device_init(struct drm_device *dev,
uint32_t flags)
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);
@ -122,8 +127,8 @@ 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);
@ -134,33 +139,9 @@ 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);
@ -171,16 +152,15 @@ 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;
@ -190,8 +170,7 @@ 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)