On Fri, 2016-07-01 at 14:00 +0200, Hans Verkuil wrote: > On 07/01/2016 01:53 PM, andrew-ct chen wrote: > > On Fri, 2016-07-01 at 12:11 +0200, Hans Verkuil wrote: > >> On 06/16/2016 12:54 PM, Mauro Carvalho Chehab wrote: > >>> Em Tue, 14 Jun 2016 19:08:08 +0800 > >>> tiffany lin <tiffany.lin@xxxxxxxxxxxx> escreveu: > >>> > >>>> Hi Mauro, > >>>> > >>>> > >>>> On Wed, 2016-06-08 at 07:13 +0900, Hans Verkuil wrote: > >>>>> > >>>>> On 06/07/2016 11:22 PM, Mauro Carvalho Chehab wrote: > >>>>>> Em Mon, 30 May 2016 20:29:14 +0800 > >>>>>> Tiffany Lin <tiffany.lin@xxxxxxxxxxxx> escreveu: > >>>>>> > >>>>>>> ============== > >>>>>>> Introduction > >>>>>>> ============== > >>>>>>> > >>>>>>> The purpose of this series is to add the driver for video codec hw embedded in the Mediatek's MT8173 SoCs. > >>>>>>> Mediatek Video Codec is able to handle video decoding of in a range of formats. > >>>>>>> > >>>>>>> This patch series add Mediatek block format V4L2_PIX_FMT_MT21, the decoder driver will decoded bitstream to > >>>>>>> V4L2_PIX_FMT_MT21 format. > >>>>>>> > >>>>>>> This patch series rely on MTK VPU driver in patch series "Add MT8173 Video Encoder Driver and VPU Driver"[1] > >>>>>>> and patch "CHROMIUM: v4l: Add V4L2_PIX_FMT_VP9 definition"[2] for VP9 support. > >>>>>>> Mediatek Video Decoder driver rely on VPU driver to load, communicate with VPU. > >>>>>>> > >>>>>>> Internally the driver uses videobuf2 framework and MTK IOMMU and MTK SMI both have been merged in v4.6-rc1. > >>>>>>> > >>>>>>> [1]https://patchwork.linuxtv.org/patch/33734/ > >>>>>>> [2]https://chromium-review.googlesource.com/#/c/245241/ > >>>>>> > >>>>>> Hmm... I'm not seeing the firmware for this driver at the > >>>>>> linux-firmware tree: > >>>>>> https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/log/ > >>>>>> > >>>>>> Nor I'm seeing any pull request for them. Did you send it? > >>>>>> I'll only merge the driver upstream after seeing such pull request. > >>>>> > >>>> Sorry, I am not familiar with how to upstream firmware. > >>>> Do you mean we need to upstream vpu firmware first before merge encoder > >>>> driver upstream? > >>> > >>> Please look at this page: > >>> https://linuxtv.org/wiki/index.php/Development:_How_to_submit_patches#Firmware_submission > >>> > >>> The information here can also be useful: > >>> https://www.kernel.org/doc/readme/firmware-README.AddingFirmware > >>> > >>> In summary, you need to provide redistribution rights for the > >>> firmware blob. You can either submit it to me or directly to > >>> linux-firmware. In the latter, please c/c me on such patch. > >> > >> Tiffany, what is the status of the firmware submission? > >> > >> Regards, > >> > >> Hans > > > > Hi Hans, > > We are working on firmware test to make sure that both decoder and > > encoder work well. Hopes it can be ready (firmware submission) on July 4 > > or July 5. > > OK, great! Just wanted to make sure that this work was progressing and not stalled. > > Thanks! > > Hans Hi Hans, We have submitted VPU firmware for encoder as the following link. http://lists.infradead.org/pipermail/linux-mediatek/2016-July/006082.html If the series of decoder patches apply, we will update the VPU firmware for decoder support. Thanks!. Andrew -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
