On Mon, Apr 15, 2019 at 10:30:14AM +0100, Steven Price wrote:
> On 15/04/2019 10:18, Daniel Vetter wrote:
> > On Fri, Apr 05, 2019 at 05:42:33PM +0100, Steven Price wrote:
> >> On 05/04/2019 17:16, Alyssa Rosenzweig wrote:
> >>> acronym once ever and have it as a "??"), I'm not sure how to respond
On 15/04/2019 10:18, Daniel Vetter wrote:
> On Fri, Apr 05, 2019 at 05:42:33PM +0100, Steven Price wrote:
>> On 05/04/2019 17:16, Alyssa Rosenzweig wrote:
>>> acronym once ever and have it as a "??"), I'm not sure how to respond to
>>> that... We don't know how to allocate memory for the GPU-intern
On Fri, Apr 05, 2019 at 05:42:33PM +0100, Steven Price wrote:
> On 05/04/2019 17:16, Alyssa Rosenzweig wrote:
> > acronym once ever and have it as a "??"), I'm not sure how to respond to
> > that... We don't know how to allocate memory for the GPU-internal data
> > structures (the tiler heap, for i
On 09/04/2019 17:15, Rob Herring wrote:
> On Tue, Apr 9, 2019 at 10:56 AM Tomeu Vizoso
> wrote:
>>
>> On Mon, 8 Apr 2019 at 23:04, Rob Herring wrote:
>>>
>>> On Fri, Apr 5, 2019 at 7:30 AM Steven Price wrote:
On 01/04/2019 08:47, Rob Herring wrote:
> This adds the initial driver f
On 08/04/2019 22:04, Rob Herring wrote:
> On Fri, Apr 5, 2019 at 7:30 AM Steven Price wrote:
>>
>> On 01/04/2019 08:47, Rob Herring wrote:
>>> This adds the initial driver for panfrost which supports Arm Mali
>>> Midgard and Bifrost family of GPUs. Currently, only the T860 and
>>> T760 Midgard GPU
On Wed, 10 Apr 2019 at 12:20, Steven Price wrote:
>
> On 08/04/2019 22:04, Rob Herring wrote:
> > On Fri, Apr 5, 2019 at 7:30 AM Steven Price wrote:
> >>
> >> On 01/04/2019 08:47, Rob Herring wrote:
> >>> This adds the initial driver for panfrost which supports Arm Mali
> >>> Midgard and Bifrost
On Tue, Apr 9, 2019 at 10:56 AM Tomeu Vizoso wrote:
>
> On Mon, 8 Apr 2019 at 23:04, Rob Herring wrote:
> >
> > On Fri, Apr 5, 2019 at 7:30 AM Steven Price wrote:
> > >
> > > On 01/04/2019 08:47, Rob Herring wrote:
> > > > This adds the initial driver for panfrost which supports Arm Mali
> > > >
On Mon, 8 Apr 2019 at 23:04, Rob Herring wrote:
>
> On Fri, Apr 5, 2019 at 7:30 AM Steven Price wrote:
> >
> > On 01/04/2019 08:47, Rob Herring wrote:
> > > This adds the initial driver for panfrost which supports Arm Mali
> > > Midgard and Bifrost family of GPUs. Currently, only the T860 and
> >
On Fri, Apr 5, 2019 at 7:30 AM Steven Price wrote:
>
> On 01/04/2019 08:47, Rob Herring wrote:
> > This adds the initial driver for panfrost which supports Arm Mali
> > Midgard and Bifrost family of GPUs. Currently, only the T860 and
> > T760 Midgard GPUs have been tested.
[...]
> > + case 0
On 05/04/2019 17:16, Alyssa Rosenzweig wrote:
>> I'm also somewhat surprised that you don't need loads of other
>> properties from the GPU - in particular knowing the number of shader
>> cores is useful for allocating the right amount of memory for TLS (and
>> can't be obtained purely from the GPU_
> I'm also somewhat surprised that you don't need loads of other
> properties from the GPU - in particular knowing the number of shader
> cores is useful for allocating the right amount of memory for TLS (and
> can't be obtained purely from the GPU_ID).
Since I have no idea what TLS is (and in my
> Sorry - "Thread Local Storage" - e.g. registers spilled to memory from a
> shader program.
Gotcha, thank you. Register spilling isn't implemented yet, so I haven't
run into this. (Partially because the blob's RA is very good so it's
somewhat nontrivial to get it to spill... not that I've tried,
On 03/04/2019 05:57, Rob Herring wrote:
[...]
+static int panfrost_clk_init(struct panfrost_device *pfdev)
+{
+ int err;
+ unsigned long rate;
+
+ pfdev->clock = devm_clk_get(pfdev->dev, NULL);
+ if (IS_ERR(pfdev->clock)) {
The DT binding says clocks are optional, but this doesn
On Mon, Apr 1, 2019 at 2:12 PM Robin Murphy wrote:
>
> On 01/04/2019 08:47, Rob Herring wrote:
> > This adds the initial driver for panfrost which supports Arm Mali
> > Midgard and Bifrost family of GPUs. Currently, only the T860 and
> > T760 Midgard GPUs have been tested.
>
> FWIW, on an antique
On 02/04/2019 01:33, Alyssa Rosenzweig wrote:
the userspace definitely doesn't support T624
This is true, yes. Shouldn't be too hard to backport; if there's still
interest in Midgard 1st/2nd gen, I suppose I can grab hardware and sort
it out...
I'm quite likely the only person trying this on
> the userspace definitely doesn't support T624
This is true, yes. Shouldn't be too hard to backport; if there's still
interest in Midgard 1st/2nd gen, I suppose I can grab hardware and sort
it out...
> You probably want a dma_set_mask_and_coherent() call for your 'real' output
> address size som
On 01/04/2019 09:24, Neil Armstrong wrote:
On 01/04/2019 09:47, Rob Herring wrote:
This adds the initial driver for panfrost which supports Arm Mali
Midgard and Bifrost family of GPUs. Currently, only the T860 and
T760 Midgard GPUs have been tested.
v2:
- Add GPU reset on job hangs (Tomeu)
- Ad
On 01/04/2019 08:47, Rob Herring wrote:
This adds the initial driver for panfrost which supports Arm Mali
Midgard and Bifrost family of GPUs. Currently, only the T860 and
T760 Midgard GPUs have been tested.
FWIW, on an antique T624 (Juno) it seems to work no worse than the kbase
driver plus pa
Rob Herring writes:
> This adds the initial driver for panfrost which supports Arm Mali
> Midgard and Bifrost family of GPUs. Currently, only the T860 and
> T760 Midgard GPUs have been tested.
>
> v2:
> - Add GPU reset on job hangs (Tomeu)
> - Add RuntimePM and devfreq support (Tomeu)
> - Fix T76
On 01/04/2019 09:47, Rob Herring wrote:
> This adds the initial driver for panfrost which supports Arm Mali
> Midgard and Bifrost family of GPUs. Currently, only the T860 and
> T760 Midgard GPUs have been tested.
>
> v2:
> - Add GPU reset on job hangs (Tomeu)
> - Add RuntimePM and devfreq support
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