On Thu, 2021-06-10 at 09:53 +0200, Matthias Brugger wrote: > Hi Yong, > > On 12/05/2021 14:29, Yong Wu wrote: > > On Wed, 2021-05-12 at 17:20 +0800, Hsin-Yi Wang wrote: > >> On Sat, Apr 10, 2021 at 5:14 PM Yong Wu <yong.wu@xxxxxxxxxxxx> wrote: > >>> > >>> MediaTek IOMMU has already added the device_link between the consumer > >>> and smi-larb device. If the vcodec device call the pm_runtime_get_sync, > >>> the smi-larb's pm_runtime_get_sync also be called automatically. > >>> > >>> CC: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx> > >>> CC: Irui Wang <irui.wang@xxxxxxxxxxxx> > >>> Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx> > >>> Reviewed-by: Evan Green <evgreen@xxxxxxxxxxxx> > >>> Acked-by: Tiffany Lin <tiffany.lin@xxxxxxxxxxxx> > >>> --- > >>> .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 37 ++------------- > >>> .../platform/mtk-vcodec/mtk_vcodec_drv.h | 3 -- > >>> .../platform/mtk-vcodec/mtk_vcodec_enc.c | 1 - > >>> .../platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 46 ++----------------- > >>> 4 files changed, 10 insertions(+), 77 deletions(-) > > > > [...] > > > >>> @@ -108,13 +80,6 @@ void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm) > >>> } > >>> } > >>> > >>> - ret = mtk_smi_larb_get(pm->larbvenc); > >>> - if (ret) { > >>> - mtk_v4l2_err("mtk_smi_larb_get larb3 fail %d", ret); > >>> - goto clkerr; > >>> - } > >>> - return; > >> > >> You can't delete the return; here, otherwise vcodec_clk will be turned > >> off immediately after they are turned on. > > > > Thanks very much for your review. > > > > Sorry for this. You are quite right. > > > > I checked this, it was introduced in v4 when I rebase the code. I will > > fix it in next time. > > > > Please also make sure that you add all maintainers. I realized that at least for > the media/platform drivers we miss the maintainer and the corresponding mailing > list. > This is especially important in this series, as it spans several subsystems. Thanks for hint. I only added the file maintainer here. I will add linux-media in next version. By the way, this patchset cross several trees, then which tree should it go through. Do you have some suggestion? > > Thanks a lot, > Matthias > > >> > >>> - > >>> clkerr: > >>> for (i -= 1; i >= 0; i--) > >>> clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk); > >>> @@ -125,7 +90,6 @@ void mtk_vcodec_enc_clock_off(struct mtk_vcodec_pm *pm) > >>> struct mtk_vcodec_clk *enc_clk = &pm->venc_clk; > >>> int i = 0; > >>> > >>> - mtk_smi_larb_put(pm->larbvenc); > >>> for (i = enc_clk->clk_num - 1; i >= 0; i--) > >>> clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk); > >>> } > >>> -- > >>> 2.18.0 > >>> > >