Etnaviv issues on i.MX8M-Mini

[Schrempf Frieder]

On 20.02.20 13:52, Frieder Schrempf wrote:
> Hi,
> 
> according to the documents, the i.MX8M-Mini features a GC320 and a 
> GCNanoUltra. I tried to run the etnaviv drivers and the following GPUs 
> are detected:
> 
>      etnaviv-gpu 38000000.gpu: model: GC600, revision: 4653
>      etnaviv-gpu 38008000.gpu: model: GC520, revision: 5341

Sorry, forgot to mention that I'm running Linux 5.4.

> 
> Running some demos and tests with mesa 19.1.6 most things seem to work. 
> Still I currently have two issues, while the first one is kind of a 
> show-stopper and the second one is not really important as it seems to 
> affect shaders only.
> 
> 1. When running any QtQuick applications, all transformations like 
> moving elements are really jerky and not smooth at all as it should be. 
> Any ideas what the reason could be, or how to get more information about 
> this problem?
> 
> 2. With some demos (e.g. with 'glmark2-es2-drm -b terrain') I get:
> 
>      error: compile failed!
>      etna_draw_vbo:222: compiled shaders are not okay
> 
> Can this be fixed somehow, or is this due to the limitations of the GPU?
> 
> Thanks,
> Frieder