Hi tao, Are you sending a wrong patch? Function hibmc_remove_framebuffers is added by your prior reviewing patch. Please send patch based on drm-misc-next branch[1] or linux-next.
Thanks, -Xinliang
[1] https://anongit.freedesktop.org/git/drm-misc.git
On Fri, 21 Feb 2020 at 13:56, Tian Tao tiantao6@hisilicon.com wrote:
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@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;dev = drm_dev_alloc(&hibmc_driver, &pdev->dev); if (IS_ERR(dev)) {-- 2.7.4