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SubjectRe: [PATCH] arm64: dts: mt8173: fix vcodec-enc clock
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On 04/05/2020 14:44, Hsin-Yi Wang wrote:
> Fix the assigned-clock-parents to higher frequency clock to avoid h264
> encode timeout:
>
> [ 134.763465] mtk_vpu 10020000.vpu: vpu ipi 4 ack time out !
> [ 134.769008] [MTK_VCODEC][ERROR][18]: vpu_enc_send_msg() vpu_ipi_send msg_id c002 len 32 fail -5
> [ 134.777707] [MTK_VCODEC][ERROR][18]: vpu_enc_encode() AP_IPIMSG_ENC_ENCODE 0 fail
>
> venc_sel is the clock used by h264 encoder, and venclt_sel is the clock
> used by vp8 encoder. Assign venc_sel to vcodecpll_ck and venclt_sel to
> vcodecpll_370p5.
>
> vcodecpll 1482000000
> vcodecpll_ck 494000000
> venc_sel 494000000
> ...
> vcodecpll_370p5 370500000
> venclt_sel 370500000
>
> Fixes: fbbad0287cec ("arm64: dts: Using standard CCF interface to set vcodec clk")
> Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>

Applied to v5.7-fixes

Thanks!

> ---
> arch/arm64/boot/dts/mediatek/mt8173.dtsi | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> index a212bf124e81..d0e9a2aada2e 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
> @@ -1422,8 +1422,8 @@ vcodec_enc: vcodec@18002000 {
> "venc_lt_sel";
> assigned-clocks = <&topckgen CLK_TOP_VENC_SEL>,
> <&topckgen CLK_TOP_VENC_LT_SEL>;
> - assigned-clock-parents = <&topckgen CLK_TOP_VENCPLL_D2>,
> - <&topckgen CLK_TOP_UNIVPLL1_D2>;
> + assigned-clock-parents = <&topckgen CLK_TOP_VCODECPLL>,
> + <&topckgen CLK_TOP_VCODECPLL_370P5>;
> };
>
> jpegdec: jpegdec@18004000 {
>

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