On 01/10/2019 09:59, Sudeep Holla wrote:
On Mon, Sep 30, 2019 at 12:46:33PM -0500, Rob Herring wrote:
On Mon, Sep 30, 2019 at 10:25 AM Robin Murphy <robin.murphy@xxxxxxx> wrote:
Since we now have bindings for Mali Midgard GPUs, let's use them to
describe Juno's GPU subsystem, if only because we can. Juno sports a
Mali-T624 integrated behind an MMU-400 (as a gesture towards
virtualisation), in their own dedicated power domain with DVFS
controlled by the SCP.
CC: Liviu Dudau <liviu.dudau@xxxxxxx>
CC: Sudeep Holla <sudeep.holla@xxxxxxx>
CC: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx>
---
.../bindings/gpu/arm,mali-midgard.yaml | 5 +++-
arch/arm64/boot/dts/arm/juno-base.dtsi | 27 +++++++++++++++++++
2 files changed, 31 insertions(+), 1 deletion(-)
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
If you plan to take it along with driver change,
Acked-by: Sudeep Holla <sudeep.holla@xxxxxxx>
If not, please let us know. I can take it for v5.5
The driver change is debatable and not strictly necessary, so it
probably makes more sense to take this one through the VExpress tree on
its own. I wouldn't suggest flipping the status to "enabled" just yet,
but it seems worth putting the basic description in place as a
jumping-off point for folks to hack on (e.g. it's another 'interesting'
case for devfreq OPP stuff).
Thanks,
Robin.
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