Commit c3480301 authored Feb 24, 2020 by Tian Tao Committed by Xinliang Liu Feb 27, 2020

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 <tiantao6@hisilicon.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1582524112-5628-1-git-send-email-tiantao6@hisilicon.com

parent 29b7216b

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -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");

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