From c32c304e7267ea60b674d576266d0d040efcc35c Mon Sep 17 00:00:00 2001 From: shiyongbang Date: Mon, 8 Mar 2021 21:01:06 +0800 Subject: [PATCH] openEuler: gpu: hibmc: Fix stuck when switch GUI to text. to #36078485 commit 4096b2f4156f286bacc1e413924e9390dd770f8b openEuler gpu: hibmc: Fix stuck when switch GUI to text. driver inclusion category: bugfix bugzilla: NA CVE: NA Add remove_conflicting_framebuffers function to fix stuck problem when switch GUI to text during installation using the ISO file. Signed-off-by: Shiyongbang Reviewed-by: Wu yang Reviewed-by: Li dongming Signed-off-by: Yang Yingliang Signed-off-by: Zheng Zengkai Signed-off-by: linsheng Reviewed-by: Caspar Zhang Reviewed-by: Shile Zhang --- .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index b9a6643a6515..7be784a77efa 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -55,6 +55,22 @@ 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 | DRIVER_HAVE_IRQ, @@ -367,6 +383,8 @@ int hibmc_load(struct drm_device *dev, unsigned long flags) static int hibmc_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { + hibmc_remove_framebuffers(pdev); + return drm_get_pci_dev(pdev, ent, &hibmc_driver); } -- 2.27.0