diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2021-01-12 09:43:44 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2021-02-25 12:02:37 +0100 |
| commit | 8db0002ab6b9ac446c07acd53ec096fbdccc8bbd (patch) | |
| tree | 0ded0d304616b7f077547a7f4729b17b0ac37872 /drivers/gpu/drm/arc | |
| parent | cdea72518a2b38207146e92e1c9e2fac15975679 (diff) | |
drm/arc: Switch to devm_drm_dev_alloc
- Need to embedded the drm_device, but for now we keep the usual
pointer chasing.
- No more devm_kzalloc, which fixes a lifetime issues on driver
remove.
- No more drm_dev_put, that's done by devm_ now.
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210112084358.2771527-1-daniel.vetter@ffwll.ch
Diffstat (limited to 'drivers/gpu/drm/arc')
| -rw-r--r-- | drivers/gpu/drm/arc/arcpgu.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/arc/arcpgu_drv.c | 33 |
2 files changed, 14 insertions, 20 deletions
diff --git a/drivers/gpu/drm/arc/arcpgu.h b/drivers/gpu/drm/arc/arcpgu.h index 6aac44b953ad..cd9e932f501e 100644 --- a/drivers/gpu/drm/arc/arcpgu.h +++ b/drivers/gpu/drm/arc/arcpgu.h @@ -9,6 +9,7 @@ #define _ARCPGU_H_ struct arcpgu_drm_private { + struct drm_device drm; void __iomem *regs; struct clk *clk; struct drm_framebuffer *fb; diff --git a/drivers/gpu/drm/arc/arcpgu_drv.c b/drivers/gpu/drm/arc/arcpgu_drv.c index 077d006b1fbf..5d3c949bb0f0 100644 --- a/drivers/gpu/drm/arc/arcpgu_drv.c +++ b/drivers/gpu/drm/arc/arcpgu_drv.c @@ -42,18 +42,14 @@ static void arcpgu_setup_mode_config(struct drm_device *drm) DEFINE_DRM_GEM_CMA_FOPS(arcpgu_drm_ops); -static int arcpgu_load(struct drm_device *drm) +static int arcpgu_load(struct arcpgu_drm_private *arcpgu) { - struct platform_device *pdev = to_platform_device(drm->dev); - struct arcpgu_drm_private *arcpgu; + struct platform_device *pdev = to_platform_device(arcpgu->drm.dev); struct device_node *encoder_node = NULL, *endpoint_node = NULL; + struct drm_device *drm = &arcpgu->drm; struct resource *res; int ret; - arcpgu = devm_kzalloc(&pdev->dev, sizeof(*arcpgu), GFP_KERNEL); - if (arcpgu == NULL) - return -ENOMEM; - drm->dev_private = arcpgu; arcpgu->clk = devm_clk_get(drm->dev, "pxlclk"); @@ -162,30 +158,28 @@ static const struct drm_driver arcpgu_drm_driver = { static int arcpgu_probe(struct platform_device *pdev) { - struct drm_device *drm; + struct arcpgu_drm_private *arcpgu; int ret; - drm = drm_dev_alloc(&arcpgu_drm_driver, &pdev->dev); - if (IS_ERR(drm)) - return PTR_ERR(drm); + arcpgu = devm_drm_dev_alloc(&pdev->dev, &arcpgu_drm_driver, + struct arcpgu_drm_private, drm); + if (IS_ERR(arcpgu)) + return PTR_ERR(arcpgu); - ret = arcpgu_load(drm); + ret = arcpgu_load(arcpgu); if (ret) - goto err_unref; + return ret; - ret = drm_dev_register(drm, 0); + ret = drm_dev_register(&arcpgu->drm, 0); if (ret) goto err_unload; - drm_fbdev_generic_setup(drm, 16); + drm_fbdev_generic_setup(&arcpgu->drm, 16); return 0; err_unload: - arcpgu_unload(drm); - -err_unref: - drm_dev_put(drm); + arcpgu_unload(&arcpgu->drm); return ret; } @@ -196,7 +190,6 @@ static int arcpgu_remove(struct platform_device *pdev) drm_dev_unregister(drm); arcpgu_unload(drm); - drm_dev_put(drm); return 0; } |