[PATCH] drm/hisilicon: Fixed pcie resource conflict using the general API
Thomas Zimmermann
tzimmermann at suse.de
Fri Feb 21 08:55:57 UTC 2020
Hi
Am 21.02.20 um 06:55 schrieb Tian Tao:
> the kernel provide the drm_fb_helper_remove_conflicting_pci_framebuffer
> to remvoe the pcie resource conflict,there is no need to driver it again.
>
> Signed-off-by: Tian Tao <tiantao6 at hisilicon.com>
> ---
> drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 22 +++++-----------------
> 1 file changed, 5 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> index 7ebe831..0f7dba7 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> @@ -47,22 +47,6 @@ static irqreturn_t hibmc_drm_interrupt(int irq, void *arg)
> return IRQ_HANDLED;
> }
>
> -static void hibmc_remove_framebuffers(struct pci_dev *pdev)
> -{
> - struct apertures_struct *ap;
> -
> - ap = alloc_apertures(1);
> - if (!ap)
> - return;
> -
> - ap->ranges[0].base = pci_resource_start(pdev, 0);
> - ap->ranges[0].size = pci_resource_len(pdev, 0);
> -
> - drm_fb_helper_remove_conflicting_framebuffers(ap, "hibmcdrmfb", false);
> -
> - kfree(ap);
> -}
> -
> static struct drm_driver hibmc_driver = {
> .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
> .fops = &hibmc_fops,
> @@ -343,7 +327,11 @@ static int hibmc_pci_probe(struct pci_dev *pdev,
> struct drm_device *dev;
> int ret;
>
> - hibmc_remove_framebuffers(pdev);
> + ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev,
> + "hibmcdrmfb");
> + if (ret)
> + return ret;
> +
>
Only one empty line please. With this change
Acked-by: Thomas Zimmermann <tzimmermann at suse.de>
> dev = drm_dev_alloc(&hibmc_driver, &pdev->dev);
> if (IS_ERR(dev)) {
>
--
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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