Hi, and a happy new year.
Am 24.12.20 um 09:45 schrieb Tian Tao:
Add the callback functions of drm_driver structure member functions load and unload, no need to call load in the hibmc_pci_probe function and unload in the hibmc_pci_remove function.
The load and unload callbacks are left over from long ago. They are now deprecated.* Don't use them.
v2: remove the hibmc_unload called from hibmc_pic_remove.
If anything, you'd want to inline hibmc's load/unload into their callers. Best regards Thomas*) White lie: They are used by the old non-KMS drivers. Anything with KMS should not use them.
Signed-off-by: Tian Tao <[email protected]> --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index 0d4e902..10042cf 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -27,6 +27,9 @@DEFINE_DRM_GEM_FOPS(hibmc_fops); +static int hibmc_load(struct drm_device *dev, unsigned long flags);+static void hibmc_unload(struct drm_device *dev); + static irqreturn_t hibmc_drm_interrupt(int irq, void *arg) { struct drm_device *dev = (struct drm_device *)arg; @@ -63,6 +66,8 @@ static const struct drm_driver hibmc_driver = { .dumb_map_offset = drm_gem_vram_driver_dumb_mmap_offset, .gem_prime_mmap = drm_gem_prime_mmap, .irq_handler = hibmc_drm_interrupt, + .load = hibmc_load, + .unload = hibmc_unload, };static int __maybe_unused hibmc_pm_suspend(struct device *dev)@@ -248,7 +253,7 @@ static int hibmc_hw_init(struct hibmc_drm_private *priv) return 0; }-static int hibmc_unload(struct drm_device *dev)+static void hibmc_unload(struct drm_device *dev) { drm_atomic_helper_shutdown(dev);@@ -256,11 +261,9 @@ static int hibmc_unload(struct drm_device *dev)drm_irq_uninstall(dev);pci_disable_msi(dev->pdev);- - return 0; }-static int hibmc_load(struct drm_device *dev)+static int hibmc_load(struct drm_device *dev, unsigned long flags) { struct hibmc_drm_private *priv = to_hibmc_drm_private(dev); int ret; @@ -335,12 +338,6 @@ static int hibmc_pci_probe(struct pci_dev *pdev, goto err_return; }- ret = hibmc_load(dev);- if (ret) { - drm_err(dev, "failed to load hibmc: %d\n", ret); - goto err_return; - } - ret = drm_dev_register(dev, 0); if (ret) { drm_err(dev, "failed to register drv for userspace access: %d\n", @@ -363,7 +360,6 @@ static void hibmc_pci_remove(struct pci_dev *pdev) struct drm_device *dev = pci_get_drvdata(pdev);drm_dev_unregister(dev);- hibmc_unload(dev); }static const struct pci_device_id hibmc_pci_table[] = {
-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Felix Imendörffer
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