Messages in this thread | | | Subject | Re: [RFC V2 0/2] arm64: imx8mm: Enable Hantro VPUs | From | Benjamin Gaignard <> | Date | Wed, 1 Dec 2021 10:27:58 +0100 |
| |
Le 01/12/2021 à 02:33, Adam Ford a écrit : > The i.MX8M has two Hantro video decoders, called G1 and G2 which appear > to be related to the video decoders used on the i.MX8MQ, but because of > how the Mini handles the power domains, the VPU driver does not need to > handle all the functions, nor does it support the post-processor, > so a new compatible flag is required. > > With the suggestion from Hans Verkuil, I was able to get the G2 splat to go away > with changes to FORCE_MAX_ZONEORDER, but I found I could also set cma=512M, however > it's unclear to me if that's an acceptable alternative. > > At the suggestion of Ezequiel Garcia and Nicolas Dufresne I have some > results from Fluster. However, the G2 VPU appears to fail most tests. > > ./fluster.py run -dGStreamer-H.264-V4L2SL-Gst1.0 > Ran 90/135 tests successfully in 76.431 secs > > ./fluster.py run -d GStreamer-VP8-V4L2SL-Gst1.0 > Ran 55/61 tests successfully in 21.454 secs > > ./fluster.py run -d GStreamer-VP9-V4L2SL-Gst1.0 > Ran 0/303 tests successfully in 20.016 secs > > Each day seems to show more and more G2 submissions, and gstreamer seems to be > still working on the VP9, so I am not sure if I should drop G2 as well.
I think it is going in the good direction. I'm trying to do the same on IMX6MQ but still have hang issue on G2.
Regards, Benjamin
> > Adam Ford (2): > media: hantro: Add support for i.MX8M Mini > arm64: dts: imx8mm: Enable VPU-G1 and VPU-G2 > > arch/arm64/boot/dts/freescale/imx8mm.dtsi | 41 +++++++++++++++ > drivers/staging/media/hantro/hantro_drv.c | 2 + > drivers/staging/media/hantro/hantro_hw.h | 2 + > drivers/staging/media/hantro/imx8m_vpu_hw.c | 57 +++++++++++++++++++++ > 4 files changed, 102 insertions(+) >
| |