Messages in this thread Patch in this message | | | From | Jernej Skrabec <> | Subject | [PATCH 2/6] media: cedrus: Add a quirk for not setting DMA offset | Date | Mon, 28 Jan 2019 21:55:00 +0100 |
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H6 VPU doesn't work if DMA offset is set.
Add a quirk for it.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> --- drivers/staging/media/sunxi/cedrus/cedrus.h | 3 +++ drivers/staging/media/sunxi/cedrus/cedrus_hw.c | 3 ++- 2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.h b/drivers/staging/media/sunxi/cedrus/cedrus.h index 4aedd24a9848..c57c04b41d2e 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus.h +++ b/drivers/staging/media/sunxi/cedrus/cedrus.h @@ -28,6 +28,8 @@ #define CEDRUS_CAPABILITY_UNTILED BIT(0) +#define CEDRUS_QUIRK_NO_DMA_OFFSET BIT(0) + enum cedrus_codec { CEDRUS_CODEC_MPEG2, @@ -91,6 +93,7 @@ struct cedrus_dec_ops { struct cedrus_variant { unsigned int capabilities; + unsigned int quirks; }; struct cedrus_dev { diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_hw.c b/drivers/staging/media/sunxi/cedrus/cedrus_hw.c index 0acf219a8c91..fbfff7c1c771 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_hw.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_hw.c @@ -177,7 +177,8 @@ int cedrus_hw_probe(struct cedrus_dev *dev) */ #ifdef PHYS_PFN_OFFSET - dev->dev->dma_pfn_offset = PHYS_PFN_OFFSET; + if (!(variant->quirks & CEDRUS_QUIRK_NO_DMA_OFFSET)) + dev->dev->dma_pfn_offset = PHYS_PFN_OFFSET; #endif ret = of_reserved_mem_device_init(dev->dev); -- 2.20.1
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