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Subject[PATCH v5 0/6] Allwinner H6 Mali GPU support
Date
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 has 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

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

Changes 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 | 25 ++++++++++++++++++-
drivers/gpu/drm/panfrost/panfrost_device.h | 1 +
drivers/iommu/io-pgtable-arm.c | 2 +-
9 files changed, 78 insertions(+), 3 deletions(-)

--
2.17.1

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