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 -- 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
