Re: Status of etnaviv for Linux kernel.

[Lucas Stach <dev@lynxeye.de>]

Hi James,

Am Sonntag, den 02.07.2017, 19:36 +0100 schrieb James Courtier-Dutton:
> Hi,
> 
> I have a Utilite Pro PC that uses the "Freescale i.MX 6 Quad".
> I am running Linux kernel 4.11.8
> 
> I get the following messages:
> [    5.234054] etnaviv gpu-subsystem: bound 134000.gpu (ops gpu_ops
> [etnaviv])
> [    5.234124] etnaviv gpu-subsystem: bound 130000.gpu (ops gpu_ops
> [etnaviv])
> [    5.234192] etnaviv gpu-subsystem: bound 2204000.gpu (ops gpu_ops
> [etnaviv])
> [    5.235765] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007
> [    5.291835] etnaviv-gpu 134000.gpu: command buffer outside valid
> memory window
> [    5.298195] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108
> [    5.392637] etnaviv-gpu 130000.gpu: command buffer outside valid
> memory window
> [    5.400029] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215
> [    5.400044] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and
> FE2.0
> [    5.402024] [drm] Initialized etnaviv 1.0.0 20151214 for
> gpu-subsystem on minor 0
> 
> 
> I would like to see at least 2D support so that I could see a
> framebuffer console.
> Is this possible yet with the above gpu hardware?

Framebuffer console has nothing do do with etnaviv. The framebuffer is
provided by imx-drm and has no acceleration capabilities.

Other than that, GC2000 and GC320 are well supported with etnaviv.

> I am hoping that there is some quick fix for the "command buffer
> outside valid memory window" so that I can at least get some of it
> working.

Please enable CONFIG_CMA.

In general the imx_v6_v7_defconfig should be a good starting point. It
enables way too much stuff for a single board, but it at least provides
a sane set of defaults.

Regards,
Lucas
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