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SubjectRe: [PATCH v6 0/6] Allwinner H6 Mali GPU support
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On 21/05/2019 17:10, Clément Péron wrote:
> Hi,
>
> The Allwinner H6 has a Mali-T720 MP2 which should be supported by
> the new panfrost driver. This series fix two issues and introduce the
> dt-bindings but a simple benchmark show that it's still NOT WORKING.
>
> I'm pushing it in case someone want to continue the work.
>
> This has been tested with Mesa3D 19.1.0-RC2 and a GPU bitness patch[1].
>
> One patch is from Icenowy Zheng where I changed the order as required
> by Rob Herring[2].
>
> Thanks,
> Clement
>
> [1] https://gitlab.freedesktop.org/kszaq/mesa/tree/panfrost_64_32
> [2] https://patchwork.kernel.org/patch/10699829/
>
>
> [ 345.204813] panfrost 1800000.gpu: mmu irq status=1
> [ 345.209617] panfrost 1800000.gpu: Unhandled Page fault in AS0 at VA
> 0x0000000002400400
> [ 345.209617] Reason: TODO
> [ 345.209617] raw fault status: 0x800002C1
> [ 345.209617] decoded fault status: SLAVE FAULT
> [ 345.209617] exception type 0xC1: TRANSLATION_FAULT_LEVEL1
> [ 345.209617] access type 0x2: READ
> [ 345.209617] source id 0x8000
> [ 345.729957] panfrost 1800000.gpu: gpu sched timeout, js=0,
> status=0x8, head=0x2400400, tail=0x2400400, sched_job=000000009e204de9
> [ 346.055876] panfrost 1800000.gpu: mmu irq status=1
> [ 346.060680] panfrost 1800000.gpu: Unhandled Page fault in AS0 at VA
> 0x0000000002C00A00
> [ 346.060680] Reason: TODO
> [ 346.060680] raw fault status: 0x810002C1
> [ 346.060680] decoded fault status: SLAVE FAULT
> [ 346.060680] exception type 0xC1: TRANSLATION_FAULT_LEVEL1
> [ 346.060680] access type 0x2: READ
> [ 346.060680] source id 0x8100
> [ 346.561955] panfrost 1800000.gpu: gpu sched timeout, js=1,
> status=0x8, head=0x2c00a00, tail=0x2c00a00, sched_job=00000000b55a9a85
> [ 346.573913] panfrost 1800000.gpu: mmu irq status=1
> [ 346.578707] panfrost 1800000.gpu: Unhandled Page fault in AS0 at VA
> 0x0000000002C00B80

FWIW I seem to have reproduced the same behaviour on a different T720
setup, so this may well be more about the GPU than the platform. There
doesn't look to be anything obviously wrong with the pagetables, but if
I can find some more free time I may have a bit more of a poke around.

Robin.

>
> Change in v5:
> - Remove fix indent
>
> Changes in v4:
> - Add bus_clock probe
> - Fix sanity check in io-pgtable
> - Add vramp-delay
> - Merge all boards into one patch
> - Remove upstreamed Neil A. patch
>
> Change in v3 (Thanks to Maxime Ripard):
> - Reauthor Icenowy for her path
>
> Changes in v2 (Thanks to Maxime Ripard):
> - Drop GPU OPP Table
> - Add clocks and clock-names in required
>
> Clément Péron (5):
> drm: panfrost: add optional bus_clock
> iommu: io-pgtable: fix sanity check for non 48-bit mali iommu
> dt-bindings: gpu: mali-midgard: Add H6 mali gpu compatible
> arm64: dts: allwinner: Add ARM Mali GPU node for H6
> arm64: dts: allwinner: Add mali GPU supply for H6 boards
>
> Icenowy Zheng (1):
> dt-bindings: gpu: add bus clock for Mali Midgard GPUs
>
> .../bindings/gpu/arm,mali-midgard.txt | 15 ++++++++++++-
> .../dts/allwinner/sun50i-h6-beelink-gs1.dts | 6 +++++
> .../dts/allwinner/sun50i-h6-orangepi-3.dts | 6 +++++
> .../dts/allwinner/sun50i-h6-orangepi.dtsi | 6 +++++
> .../boot/dts/allwinner/sun50i-h6-pine-h64.dts | 6 +++++
> arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 14 ++++++++++++
> drivers/gpu/drm/panfrost/panfrost_device.c | 22 +++++++++++++++++++
> drivers/gpu/drm/panfrost/panfrost_device.h | 1 +
> drivers/iommu/io-pgtable-arm.c | 2 +-
> 9 files changed, 76 insertions(+), 2 deletions(-)
>

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