On Tue, May 05, 2020 at 11:56:46AM +0200, Thomas Zimmermann wrote:
> Done to simplify initialization code before embedding the DRM device
> instance in struct mga_device.
>
> Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch>
> ---
> 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
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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