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drm/panfrost: Set DMA max segment size

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Since all we do with scatterlists is map them in the MMU, we don't have
any hardware constraints on how they're laid out. Let the DMA layer know
so it won't warn when DMA API debugging is enabled.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/04371bc36512076b7feee07f854e56b80675d953.1599141563.git.robin.murphy@arm.com
This commit is contained in:
Robin Murphy 2020-09-03 14:59:23 +01:00 committed by Steven Price
parent 14929c5ae8
commit ac5037afef
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/panfrost/panfrost_gpu.c
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@ -344,6 +344,7 @@ int panfrost_gpu_init(struct panfrost_device *pfdev)
dma_set_mask_and_coherent(pfdev->dev,
DMA_BIT_MASK(FIELD_GET(0xff00, pfdev->features.mmu_features)));
dma_set_max_seg_size(pfdev->dev, UINT_MAX);
irq = platform_get_irq_byname(to_platform_device(pfdev->dev), "gpu");
if (irq <= 0)