Re: [PATCH v9 1/3] drm: rockchip: Add basic drm driver

Mark yao <mark.yao@xxxxxxxxxxxxxx> · Wed, 08 Oct 2014 09:17:28 +0800



    Hi Steven

          I'm glad to see you to discuss about rk29xx.

      
      On 2014年10月08日 06:26, Steven Newbury wrote:

    
      I've just been discussing how this relates to rk29xx on #etnaviv.  I 
looked through the patch and it's good to see it's not limited to 
supporting Mali GPUs.  I see no reason this wouldn't be compatible 
with etna_viv for rk29xx (or future Rockchip designs with alternative 
GPUs) as long as the rest of the infrastructure to support rk29 is in 
place iommu (ARM SMMU?) driver, for example.

    
    Now the drm driver only test on rk3288, and future when we add
    compatible for rk29xx, we

    would consider to add a non-iommu path for it.
    
      IMHO it's vital to keep a logical separation between the video display 
hardware and the graphics processor on SoCs.

    
    Sure, the graphics processor maybe change in different solutions, 
    logical separation is that we

    try to keep.

    
    Regards

    -Ｍark

  
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