From c3480301d750bd58bab35994ecf015a4682a17dd Mon Sep 17 00:00:00 2001 From: Tian Tao Date: Mon, 24 Feb 2020 14:01:52 +0800 Subject: [PATCH] drm/hisilicon: Fixed pcie resource conflict between drm and firmware use the drm_fb_helper_remove_conflicting_pci_framebuffer to remove the framebuffer initialized by fireware/bootloader to avoid resource conflict. Signed-off-by: Tian Tao Acked-by: Thomas Zimmermann Signed-off-by: Xinliang Liu Link: https://patchwork.freedesktop.org/patch/msgid/1582524112-5628-1-git-send-email-tiantao6@hisilicon.com --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index 119135fc3e1a..222356a4f9a8 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -327,6 +327,11 @@ static int hibmc_pci_probe(struct pci_dev *pdev, struct drm_device *dev; int ret; + 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)) { DRM_ERROR("failed to allocate drm_device\n");