Re: [PATCH 2/3] drm/prime: Support importing DMA-BUF without sg_table

2025-05-02 Thread kernel test robot
Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus usb/usb-testing usb/usb-next usb/usb-linus xen-tip/linux-next linus/master v6.15-r

Re: [PATCH 2/3] drm/prime: Support importing DMA-BUF without sg_table

2025-05-01 Thread kernel test robot
Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on jic23-iio/togreg] [also build test WARNING on char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus usb/usb-testing usb/usb-next usb/usb-linus xen-tip/linux-next linus/master v6.15-r

Re: [PATCH 2/3] drm/prime: Support importing DMA-BUF without sg_table

2025-04-30 Thread oushixiong1025

Re: [PATCH 2/3] drm/prime: Support importing DMA-BUF without sg_table

2025-04-30 Thread Christian König
On 4/30/25 16:13, oushixiong wrote: > > 在 2025/4/30 19:03, Christian König 写道: >> On 4/30/25 10:56,oushixiong1...@163.com wrote: >>> From: Shixiong Ou >>> >>> [WHY] >>> On some boards, the dma_mask of Aspeed devices is 0x_, this >>> quite possibly causes the SWIOTLB to be triggered when im

Re: [PATCH 2/3] drm/prime: Support importing DMA-BUF without sg_table

2025-04-30 Thread oushixiong
在 2025/4/30 19:03, Christian König 写道: On 4/30/25 10:56,oushixiong1...@163.com wrote: From: Shixiong Ou [WHY] On some boards, the dma_mask of Aspeed devices is 0x_, this quite possibly causes the SWIOTLB to be triggered when importing dmabuf. However IO_TLB_SEGSIZE limits the maximum a

Re: [PATCH 2/3] drm/prime: Support importing DMA-BUF without sg_table

2025-04-30 Thread Christian König
On 4/30/25 10:56, oushixiong1...@163.com wrote: > From: Shixiong Ou > > [WHY] > On some boards, the dma_mask of Aspeed devices is 0x_, this > quite possibly causes the SWIOTLB to be triggered when importing dmabuf. > However IO_TLB_SEGSIZE limits the maximum amount of available memory > f