Re: [PATCH 12/15] media: s5p-mfc: Add support for probe-time preallocated block based allocator

2017-02-17 Thread Javier Martinez Canillas
Hello Marek, On 02/14/2017 04:52 AM, Marek Szyprowski wrote: > Current MFC driver depends on the fact that when IOMMU is available, the > DMA-mapping framework and its IOMMU glue will use first-fit allocator. > This was true for ARM architecture, but its not for ARM64 arch. However, in > case of

[PATCH 12/15] media: s5p-mfc: Add support for probe-time preallocated block based allocator

2017-02-13 Thread Marek Szyprowski
Current MFC driver depends on the fact that when IOMMU is available, the DMA-mapping framework and its IOMMU glue will use first-fit allocator. This was true for ARM architecture, but its not for ARM64 arch. However, in case of MFC v6+ hardware and latest firmware, it turned out that there is no