Re: [PATCH v3 02/15] drm/rockchip: Set dma mask to 64 bit

On 2024-10-17 09:06, Andy Yan wrote: > > > Hi Robin, > > Thanks for your comment。 > > At 2024-10-17 01:38:23, "Robin Murphy" wrote: >> On 2024-09-20 9:20 am, Andy Yan wrote: >>> From: Andy Yan >>> >>> The vop mmu support translate physical address upper 4 GB to iova >>> below 4 GB. So set dm

Re:Re: [PATCH v3 02/15] drm/rockchip: Set dma mask to 64 bit

Hi Robin, Thanks for your comment。 At 2024-10-17 01:38:23, "Robin Murphy" wrote: >On 2024-09-20 9:20 am, Andy Yan wrote: >> From: Andy Yan >> >> The vop mmu support translate physical address upper 4 GB to iova >> below 4 GB. So set dma mask to 64 bit to indicate we support address >>> 4GB.

Re: [PATCH v3 02/15] drm/rockchip: Set dma mask to 64 bit

On 2024-09-20 9:20 am, Andy Yan wrote: From: Andy Yan The vop mmu support translate physical address upper 4 GB to iova below 4 GB. So set dma mask to 64 bit to indicate we support address 4GB. This can avoid warnging message like this on some boards with DDR 4 GB: rockchip-drm display-su

[PATCH v3 02/15] drm/rockchip: Set dma mask to 64 bit

From: Andy Yan The vop mmu support translate physical address upper 4 GB to iova below 4 GB. So set dma mask to 64 bit to indicate we support address > 4GB. This can avoid warnging message like this on some boards with DDR > 4 GB: rockchip-drm display-subsystem: swiotlb buffer is full (sz: 2662