Attachment #11286 for bug #43458

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Lines 563-572 static int panfrost_probe(struct platform_device *pdev) Link Here

(-)a/drivers/gpu/drm/panfrost/panfrost_drv.c (-4 lines)
563	return -ENODEV;	563	return -ENODEV;
564		564
565	pfdev->coherent = device_get_dma_attr(&pdev->dev) == DEV_DMA_COHERENT;	565	pfdev->coherent = device_get_dma_attr(&pdev->dev) == DEV_DMA_COHERENT;
566	if (!pfdev->coherent && of_device_is_compatible(of_root, "baikal,baikal-m")) {
567	pfdev->coherent = true;
568	dev_warn(&pdev->dev, "marking as DMA coherent on BE-M1000");
569	}
570		566
571	/* Allocate and initialize the DRM device. */	567	/* Allocate and initialize the DRM device. */
572	ddev = drm_dev_alloc(&panfrost_drm_driver, &pdev->dev);	568	ddev = drm_dev_alloc(&panfrost_drm_driver, &pdev->dev);

Lines 136-141 static void panfrost_mmu_enable(struct panfrost_device *pfdev, struct panfrost_m Link Here

(-)a/drivers/gpu/drm/panfrost/panfrost_mmu.c (+4 lines)
136	/* Need to revisit mem attrs.	136	/* Need to revisit mem attrs.
137	* NC is the default, Mali driver is inner WT.	137	* NC is the default, Mali driver is inner WT.
138	*/	138	*/
		139	if (panfrost_model_eq(pfdev, 0x620)) {
		140	memattr &= ~0xf0f0f0ULL;
		141	memattr \|= 0x404040;
		142	}
139	mmu_write(pfdev, AS_MEMATTR_LO(as_nr), lower_32_bits(memattr));	143	mmu_write(pfdev, AS_MEMATTR_LO(as_nr), lower_32_bits(memattr));
140	mmu_write(pfdev, AS_MEMATTR_HI(as_nr), upper_32_bits(memattr));	144	mmu_write(pfdev, AS_MEMATTR_HI(as_nr), upper_32_bits(memattr));
141		145

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