On Tue, Nov 16, 2021 at 10:04 AM Adam Ford <aford173@xxxxxxxxx> wrote: > > On Tue, Nov 16, 2021 at 11:57 AM Tim Harvey <tharvey@xxxxxxxxxxxxx> wrote: > > > > On Thu, Nov 4, 2021 at 9:18 AM Adam Ford <aford173@xxxxxxxxx> wrote: > > > > > > The i.MX8M Nano is similar to the i.MX8M Mini in some ways, but very > > > different in others. With the blk-ctrl driver for Mini in place, > > > this series expands the blk-ctrl driver to support the Nano which > > > opens the door for additional functions in the future. As part of > > > this series, it also addresses some issues in the GPCv2 driver and > > > finally adds support for enabling USB and GPU. > > > > > > V3: Fixes an the yaml example > > > V2: Fixes the clock count in the blk-ctrl > > > > > > Adam Ford (9): > > > soc: imx: gpcv2: keep i.MX8MN gpumix bus clock enabled > > > soc: imx: gpcv2: Add dispmix and mipi domains to imx8mn > > > dt-bindings: power: imx8mn: add defines for DISP blk-ctrl domains > > > dt-bindings: soc: add binding for i.MX8MN DISP blk-ctrl > > > soc: imx: imx8m-blk-ctrl: add i.MX8MN DISP blk-ctrl > > > arm64: dts: imx8mn: add GPC node > > > arm64: dts: imx8mn: put USB controller into power-domains > > > arm64: dts: imx8mn: add DISP blk-ctrl > > > arm64: dts: imx8mn: Enable GPU > > > > > > .../soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml | 97 +++++++++++++++++ > > > arch/arm64/boot/dts/freescale/imx8mn.dtsi | 103 ++++++++++++++++++ > > > drivers/soc/imx/gpcv2.c | 26 +++++ > > > drivers/soc/imx/imx8m-blk-ctrl.c | 75 ++++++++++++- > > > include/dt-bindings/power/imx8mn-power.h | 5 + > > > 5 files changed, 305 insertions(+), 1 deletion(-) > > > create mode 100644 Documentation/devicetree/bindings/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml > > > > > > > Adam, > > > > Thanks for the patches. I'm not sure how best to test this but on an > > imx8mm-venice-gw7902 which has USB, but no display. > > > > I find that if DRM_ETNAVIV is enabled I hang at 'etnaviv etnaviv: > > bound 38000000.gpu (ops 0xffff800010964748)'. > > Thanks for testing this. > > Does your board send power to the GPU? I recall someone somewhere > didn't power theirGPU, but I can't remember who and/or what board was > being discussed. Yes, the imx8mm-venice-gw7902 does have the GPU powered (the imx8mm-venice-gw7901 was the one that did not). Tim > > I'll run some more tests on the latest 5.16-rc1 to see if I can > replicate your issue. > > adam > > > > If DRM_ETNAVIV is not enabled: > > - boots fine > > - usb works > > - soft reboot works (does not hang) > > At least we have some progress. :-) > > adam > > > > Best regards, > > > > Tim
