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Message-ID: <le6ji6czj7z7z4tfyzrjjr2yei6cf6ilj45poi5gccj7fpocmm@gbbb6t5lw5yb>
Date: Sat, 31 Jan 2026 13:12:00 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>
Cc: Vikash Garodia <vikash.garodia@....qualcomm.com>,
        Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Bryan O'Donoghue <bod@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        cros-qcom-dts-watchers@...omium.org,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH v3 4/4] media: qcom: venus: flip the venus/iris switch

On Thu, Jan 29, 2026 at 11:20:06AM +0530, Dikshita Agarwal wrote:
> 
> 
> On 1/27/2026 5:53 PM, Dmitry Baryshkov wrote:
> > With the Iris and Venus driver having more or less feature parity for
> > "HFI 6xx" platforms and with Iris gaining support for SC7280, flip the
> > switch. Use Iris by default for SM8250 and SC7280, the platforms which
> > are supported by both drivers, and use Venus only if Iris is not
> > compiled at all. Use IS_ENABLED to strip out the code and data
> > structures which are used by the disabled platforms.
> > 
> > Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> > ---
> >  drivers/media/platform/qcom/iris/iris_probe.c |  2 --
> >  drivers/media/platform/qcom/venus/core.c      |  6 ++++++
> >  drivers/media/platform/qcom/venus/core.h      | 11 +++++++++++
> >  3 files changed, 17 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/media/platform/qcom/iris/iris_probe.c b/drivers/media/platform/qcom/iris/iris_probe.c
> > index ddaacda523ec..7b612ad37e4f 100644
> > --- a/drivers/media/platform/qcom/iris/iris_probe.c
> > +++ b/drivers/media/platform/qcom/iris/iris_probe.c
> > @@ -352,7 +352,6 @@ static const struct of_device_id iris_dt_match[] = {
> >  		.compatible = "qcom,qcs8300-iris",
> >  		.data = &qcs8300_data,
> >  	},
> > -#if (!IS_ENABLED(CONFIG_VIDEO_QCOM_VENUS))
> >  	{
> >  		.compatible = "qcom,sc7280-venus",
> >  		.data = &sc7280_data,
> > @@ -361,7 +360,6 @@ static const struct of_device_id iris_dt_match[] = {
> >  		.compatible = "qcom,sm8250-venus",
> >  		.data = &sm8250_data,
> >  	},
> > -#endif
> >  	{
> >  		.compatible = "qcom,sm8550-iris",
> >  		.data = &sm8550_data,
> > diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> > index 24d2b2fd0340..646dae3407b4 100644
> > --- a/drivers/media/platform/qcom/venus/core.c
> > +++ b/drivers/media/platform/qcom/venus/core.c
> > @@ -949,6 +949,7 @@ static const struct venus_resources sc7180_res = {
> >  	.enc_nodename = "video-encoder",
> >  };
> >  
> > +#if (!IS_ENABLED(CONFIG_VIDEO_QCOM_IRIS))
> >  static const struct freq_tbl sm8250_freq_table[] = {
> >  	{ 0, 444000000 },
> >  	{ 0, 366000000 },
> > @@ -1069,6 +1070,7 @@ static const struct venus_resources sc7280_res = {
> >  	.dec_nodename = "video-decoder",
> >  	.enc_nodename = "video-encoder",
> >  };
> > +#endif
> >  
> >  static const struct bw_tbl qcm2290_bw_table_dec[] = {
> >  	{ 352800, 597000, 0, 746000, 0 }, /* 1080p@30 + 720p@30 */
> > @@ -1125,11 +1127,15 @@ static const struct of_device_id venus_dt_match[] = {
> >  	{ .compatible = "qcom,msm8998-venus", .data = &msm8998_res, },
> >  	{ .compatible = "qcom,qcm2290-venus", .data = &qcm2290_res, },
> >  	{ .compatible = "qcom,sc7180-venus", .data = &sc7180_res, },
> > +#if (!IS_ENABLED(CONFIG_VIDEO_QCOM_IRIS))
> >  	{ .compatible = "qcom,sc7280-venus", .data = &sc7280_res, },
> > +#endif
> >  	{ .compatible = "qcom,sdm660-venus", .data = &sdm660_res, },
> >  	{ .compatible = "qcom,sdm845-venus", .data = &sdm845_res, },
> >  	{ .compatible = "qcom,sdm845-venus-v2", .data = &sdm845_res_v2, },
> > +#if (!IS_ENABLED(CONFIG_VIDEO_QCOM_IRIS))
> >  	{ .compatible = "qcom,sm8250-venus", .data = &sm8250_res, },
> > +#endif
> >  	{ }
> >  };
> >  MODULE_DEVICE_TABLE(of, venus_dt_match);
> > diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
> > index 7506f5d0f609..c7acacaa53b8 100644
> > --- a/drivers/media/platform/qcom/venus/core.h
> > +++ b/drivers/media/platform/qcom/venus/core.h
> > @@ -54,8 +54,10 @@ enum vpu_version {
> >  	VPU_VERSION_AR50,
> >  	VPU_VERSION_AR50_LITE,
> >  	VPU_VERSION_IRIS1,
> > +#if (!IS_ENABLED(CONFIG_VIDEO_QCOM_IRIS))
> >  	VPU_VERSION_IRIS2,
> >  	VPU_VERSION_IRIS2_1,
> > +#endif
> >  };
> >  
> >  struct firmware_version {
> > @@ -525,13 +527,22 @@ struct venus_inst {
> >  #define IS_V1(core)	((core)->res->hfi_version == HFI_VERSION_1XX)
> >  #define IS_V3(core)	((core)->res->hfi_version == HFI_VERSION_3XX)
> >  #define IS_V4(core)	((core)->res->hfi_version == HFI_VERSION_4XX)
> > +#if (!IS_ENABLED(CONFIG_VIDEO_QCOM_IRIS))
> >  #define IS_V6(core)	((core)->res->hfi_version == HFI_VERSION_6XX)
> > +#else
> > +#define IS_V6(core)	(0)
> > +#endif
> >  
> >  #define IS_AR50(core)		((core)->res->vpu_version == VPU_VERSION_AR50)
> >  #define IS_AR50_LITE(core)	((core)->res->vpu_version == VPU_VERSION_AR50_LITE)
> >  #define IS_IRIS1(core)		((core)->res->vpu_version == VPU_VERSION_IRIS1)
> > +#if (!IS_ENABLED(CONFIG_VIDEO_QCOM_IRIS))
> >  #define IS_IRIS2(core)		((core)->res->vpu_version == VPU_VERSION_IRIS2)
> >  #define IS_IRIS2_1(core)	((core)->res->vpu_version == VPU_VERSION_IRIS2_1)
> > +#else
> > +#define IS_IRIS2(core)		(0)
> > +#define IS_IRIS2_1(core)	(0)
> > +#endif
> >  
> >  static inline bool is_lite(struct venus_core *core)
> >  {
> > 
> 
> compilation fails with this change.
> ERROR: modpost: "sm8250_data"
> [drivers/media/platform/qcom/iris/qcom-iris.ko] undefined!
> ERROR: modpost: "sc7280_data"
> [drivers/media/platform/qcom/iris/qcom-iris.ko] undefined!
> 
> to fix this:
> ==============================================
> --- a/drivers/media/platform/qcom/iris/Makefile
> +++ b/drivers/media/platform/qcom/iris/Makefile
> @@ -10,6 +10,7 @@ qcom-iris-objs += iris_buffer.o \
>               iris_hfi_gen2_packet.o \
>               iris_hfi_gen2_response.o \
>               iris_hfi_queue.o \
> +             iris_platform_gen1.o \
>               iris_platform_gen2.o \
>               iris_power.o \
>               iris_probe.o \
> @@ -26,8 +27,4 @@ qcom-iris-objs += iris_buffer.o \
>               iris_vpu_buffer.o \
>               iris_vpu_common.o \
> 
> -ifeq ($(CONFIG_VIDEO_QCOM_VENUS),)
> -qcom-iris-objs += iris_platform_gen1.o
> -endif
> -
>  obj-$(CONFIG_VIDEO_QCOM_IRIS) += qcom-iris.o
> 
> ==================================================

Argh, this was a part of the other series (the sc8280xp) and it got lost
in rebase to next/master.

-- 
With best wishes
Dmitry

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