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Message-ID: <ro5nx6brovd7inyy6tkrs7newszcxrzymfbsftejgpglz3gs6v@pscij26xmmco>
Date: Mon, 25 Nov 2024 18:20:21 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: "Renjiang Han (QUIC)" <quic_renjiang@...cinc.com>
Cc: Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
"Vikash Garodia (QUIC)" <quic_vgarodia@...cinc.com>, "bryan.odonoghue@...aro.org" <bryan.odonoghue@...aro.org>,
Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>,
"linux-media@...r.kernel.org" <linux-media@...r.kernel.org>, "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/4] media: venus: core: add qcs615 platform data
On Mon, Nov 25, 2024 at 03:34:19PM +0000, Renjiang Han (QUIC) wrote:
> On Monday, November 25, 2024 9:36 PM, Dmitry Baryshkov wrote:
> > On Mon, Nov 25, 2024 at 11:04:50AM +0530, Renjiang Han wrote:
> > > Initialize the platform data and enable venus driver probe of QCS615
> > > SoC.
> > >
> > > Signed-off-by: Renjiang Han <quic_renjiang@...cinc.com> >
> > > ---
> > > drivers/media/platform/qcom/venus/core.c | 50
> > > ++++++++++++++++++++++++++++++++
> > > 1 file changed, 50 insertions(+)
> > >
> > > diff --git a/drivers/media/platform/qcom/venus/core.c
> > > b/drivers/media/platform/qcom/venus/core.c
> > > index
> > > 423deb5e94dcb193974da23f9bd2d905bfeab2d9..39d8bcf62fe4f72674746b75994c
> > > ce6cbaee94eb 100644
> > > --- a/drivers/media/platform/qcom/venus/core.c
> > > +++ b/drivers/media/platform/qcom/venus/core.c
> > > @@ -630,6 +630,55 @@ static const struct venus_resources msm8998_res = {
> > > .fwname = "qcom/venus-4.4/venus.mbn", };
> > >
> > > +static const struct freq_tbl qcs615_freq_table[] = {
> > > + { 0, 460000000 },
> > > + { 0, 410000000 },
> > > + { 0, 380000000 },
> > > + { 0, 300000000 },
> > > + { 0, 240000000 },
> > > + { 0, 133333333 },
> > > +};
> > > +
> > > +static const struct bw_tbl qcs615_bw_table_enc[] = {
> > > + { 972000, 951000, 0, 1434000, 0 }, /* 3840x2160@30 */
> > > + { 489600, 723000, 0, 973000, 0 }, /* 1920x1080@60 */
> > > + { 244800, 370000, 0, 495000, 0 }, /* 1920x1080@30 */
> > > +};
> > > +
> > > +static const struct bw_tbl qcs615_bw_table_dec[] = {
> > > + { 1036800, 1987000, 0, 2797000, 0 }, /* 4096x2160@30 */
> > > + { 489600, 1040000, 0, 1298000, 0 }, /* 1920x1080@60 */
> > > + { 244800, 530000, 0, 659000, 0 }, /* 1920x1080@30 */
> > > +};
> > > +
> > > +static const struct venus_resources qcs615_res = {
> > > + .freq_tbl = qcs615_freq_table,
> > > + .freq_tbl_size = ARRAY_SIZE(qcs615_freq_table),
> > > + .bw_tbl_enc = qcs615_bw_table_enc,
> > > + .bw_tbl_enc_size = ARRAY_SIZE(qcs615_bw_table_enc),
> > > + .bw_tbl_dec = qcs615_bw_table_dec,
> > > + .bw_tbl_dec_size = ARRAY_SIZE(qcs615_bw_table_dec),
> > > + .clks = {"core", "iface", "bus" },
> > > + .clks_num = 3,
> > > + .vcodec0_clks = { "vcodec0_core", "vcodec0_bus" },
> > > + .vcodec_clks_num = 2,
> > > + .vcodec_pmdomains = (const char *[]) { "venus", "vcodec0" },
> > > + .vcodec_pmdomains_num = 2,
> > > + .opp_pmdomain = (const char *[]) { "cx" },
> > > + .vcodec_num = 1,
> > > + .hfi_version = HFI_VERSION_4XX,
> > > + .vpu_version = VPU_VERSION_AR50,
> > > + .vmem_id = VIDC_RESOURCE_NONE,
> > > + .vmem_size = 0,
> > > + .vmem_addr = 0,
> > > + .dma_mask = 0xe0000000 - 1,
> > > + .cp_start = 0,
> > > + .cp_size = 0x70800000,
> > > + .cp_nonpixel_start = 0x1000000,
> > > + .cp_nonpixel_size = 0x24800000,
> > > + .fwname = "qcom/venus-5.4/venus_s6.mbn",
>
> > I really want the firmware discussion of linux-firmware to be solved first,
> > before we land this patch.
>
> > SHort summary: can we use a single image for all 5.4 platforms (by using
> > v5 signatures, by using v6 signatures, v3 or any other kind of quirk).
> Thanks for your comment. We have discussed with the firmware team and
> other teams if we can use the same firmware binary. The result is we'd better
> use different firmware files. They should respond in the firmware binary
> thread. I will push them and hope them respond as quickly as possible and
> give reasons.
> > > +};
> > > +
> > > static const struct freq_tbl sdm660_freq_table[] = {
> > > { 979200, 518400000 },
> > > { 489600, 441600000 },
> > > @@ -937,6 +986,7 @@ static const struct of_device_id venus_dt_match[] = {
> > > { .compatible = "qcom,msm8916-venus", .data = &msm8916_res, },
> > > { .compatible = "qcom,msm8996-venus", .data = &msm8996_res, },
> > > { .compatible = "qcom,msm8998-venus", .data = &msm8998_res, },
> > > + { .compatible = "qcom,qcs615-venus", .data = &qcs615_res, },
>
> > The hardware seems to be the same as sc7180, only the frequencies differ.
> > Can we change the driver in a way that we don't have to add another
> > compat entry just for the sake of changing freqs / bandwidths?
>
> Thank you for your comment. I agree with you. But based on the Venus code
> architecturE ANd the distinction between different platforms, I think the
> current changes are the simplest.
Well, it is simplest, correct. But not the best one. There is no plan no
migrate these platforms to the iris driver. So instead, please improve
the venus driver instead of just pushing the simplest change. I should
have been more explicit about it earlier.
>
> > > { .compatible = "qcom,sdm660-venus", .data = &sdm660_res, },
> > > { .compatible = "qcom,sdm845-venus", .data = &sdm845_res, },
> > > { .compatible = "qcom,sdm845-venus-v2", .data = &sdm845_res_v2, },
> > >
> > > --
> > > 2.34.1
> > >
>
> > --
> > With best wishes
> > Dmitry
--
With best wishes
Dmitry
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