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Mon, 25 Aug 2025 07:02:07 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA05.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 57P726tj020046 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 25 Aug 2025 07:02:06 GMT Received: from hu-dikshita-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.24; Mon, 25 Aug 2025 00:02:02 -0700 From: Dikshita Agarwal Date: Mon, 25 Aug 2025 12:30:44 +0530 Subject: [PATCH v4 20/26] media: iris: Add support for G/S_PARM for encoder video device Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20250825-iris-video-encoder-v4-20-84aa2bc0a46b@quicinc.com> References: <20250825-iris-video-encoder-v4-0-84aa2bc0a46b@quicinc.com> In-Reply-To: <20250825-iris-video-encoder-v4-0-84aa2bc0a46b@quicinc.com> To: Vikash Garodia , Abhinav Kumar , Bryan O'Donoghue , Mauro Carvalho Chehab , Stefan Schmidt , Vedang Nagar , "Hans Verkuil" , Hans Verkuil CC: , , , Renjiang Han , Wangao Wang , Dikshita Agarwal , Neil Armstrong X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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This allows userspace to query the current streaming parameters such as frame intervals and set desired streaming parameters primarily the frame rate. Tested-by: Vikash Garodia # X1E80100 Reviewed-by: Vikash Garodia Tested-by: Neil Armstrong # on SM8550-HDK Tested-by: Neil Armstrong # on SM8650-HDK Signed-off-by: Dikshita Agarwal --- drivers/media/platform/qcom/iris/iris_instance.h | 5 ++ .../platform/qcom/iris/iris_platform_common.h | 2 + .../media/platform/qcom/iris/iris_platform_gen2.c | 2 + .../platform/qcom/iris/iris_platform_qcs8300.h | 2 + .../platform/qcom/iris/iris_platform_sm8250.c | 2 + drivers/media/platform/qcom/iris/iris_utils.c | 36 +++++++++ drivers/media/platform/qcom/iris/iris_utils.h | 2 + drivers/media/platform/qcom/iris/iris_vb2.c | 17 ---- drivers/media/platform/qcom/iris/iris_venc.c | 94 ++++++++++++++++++= ++++ drivers/media/platform/qcom/iris/iris_venc.h | 2 + drivers/media/platform/qcom/iris/iris_vidc.c | 30 +++++++ 11 files changed, 177 insertions(+), 17 deletions(-) diff --git a/drivers/media/platform/qcom/iris/iris_instance.h b/drivers/med= ia/platform/qcom/iris/iris_instance.h index 55cf9702111829ef24189986ba5245c7684bfe11..b75549718df3c87cd85aecfc74c= 873c60cd4bde5 100644 --- a/drivers/media/platform/qcom/iris/iris_instance.h +++ b/drivers/media/platform/qcom/iris/iris_instance.h @@ -61,6 +61,9 @@ struct iris_fmt { * @metadata_idx: index for metadata buffer * @codec: codec type * @last_buffer_dequeued: a flag to indicate that last buffer is sent by d= river + * @frame_rate: frame rate of current instance + * @operating_rate: operating rate of current instance + */ =20 struct iris_inst { @@ -96,6 +99,8 @@ struct iris_inst { u32 metadata_idx; u32 codec; bool last_buffer_dequeued; + u32 frame_rate; + u32 operating_rate; }; =20 #endif diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/driv= ers/media/platform/qcom/iris/iris_platform_common.h index 792f46e2e34fd564a1ed61523f72826fc8f74582..d0b84c93aef409b51a767ba11f9= 1c6ce2533f27f 100644 --- a/drivers/media/platform/qcom/iris/iris_platform_common.h +++ b/drivers/media/platform/qcom/iris/iris_platform_common.h @@ -79,6 +79,8 @@ struct platform_inst_caps { u32 mb_cycles_fw; u32 mb_cycles_fw_vpp; u32 num_comv; + u32 max_frame_rate; + u32 max_operating_rate; }; =20 enum platform_inst_fw_cap_type { diff --git a/drivers/media/platform/qcom/iris/iris_platform_gen2.c b/driver= s/media/platform/qcom/iris/iris_platform_gen2.c index d5f7eb904569d4e3ae9c33e1436c8151cac5355d..a245fce04b3a901cf2eb06fb35c= 15c0176199c11 100644 --- a/drivers/media/platform/qcom/iris/iris_platform_gen2.c +++ b/drivers/media/platform/qcom/iris/iris_platform_gen2.c @@ -209,6 +209,8 @@ static struct platform_inst_caps platform_inst_cap_sm85= 50 =3D { .mb_cycles_fw =3D 489583, .mb_cycles_fw_vpp =3D 66234, .num_comv =3D 0, + .max_frame_rate =3D MAXIMUM_FPS, + .max_operating_rate =3D MAXIMUM_FPS, }; =20 static void iris_set_sm8550_preset_registers(struct iris_core *core) diff --git a/drivers/media/platform/qcom/iris/iris_platform_qcs8300.h b/dri= vers/media/platform/qcom/iris/iris_platform_qcs8300.h index a8d66ed388a34e6bb45d4a089d981bb7d135fb50..64331b705fca541e0547afc01ec= 108759529c9d8 100644 --- a/drivers/media/platform/qcom/iris/iris_platform_qcs8300.h +++ b/drivers/media/platform/qcom/iris/iris_platform_qcs8300.h @@ -197,4 +197,6 @@ static struct platform_inst_caps platform_inst_cap_qcs8= 300 =3D { .mb_cycles_fw =3D 326389, .mb_cycles_fw_vpp =3D 44156, .num_comv =3D 0, + .max_frame_rate =3D MAXIMUM_FPS, + .max_operating_rate =3D MAXIMUM_FPS, }; diff --git a/drivers/media/platform/qcom/iris/iris_platform_sm8250.c b/driv= ers/media/platform/qcom/iris/iris_platform_sm8250.c index 2a3cbe1f2d4b27d3cce9e9cdad1525801d71a041..4ff72109c6001cc47d746d366f4= 58c0ff0a8924a 100644 --- a/drivers/media/platform/qcom/iris/iris_platform_sm8250.c +++ b/drivers/media/platform/qcom/iris/iris_platform_sm8250.c @@ -40,6 +40,8 @@ static struct platform_inst_caps platform_inst_cap_sm8250= =3D { .max_mbpf =3D 138240, .mb_cycles_vsp =3D 25, .mb_cycles_vpp =3D 200, + .max_frame_rate =3D MAXIMUM_FPS, + .max_operating_rate =3D MAXIMUM_FPS, }; =20 static void iris_set_sm8250_preset_registers(struct iris_core *core) diff --git a/drivers/media/platform/qcom/iris/iris_utils.c b/drivers/media/= platform/qcom/iris/iris_utils.c index 83c70d6a2d9092615dcf1b7d0fc85110f0df1aa0..85c70a62b1fd2c409fc18b28f64= 771cb0097a7fd 100644 --- a/drivers/media/platform/qcom/iris/iris_utils.c +++ b/drivers/media/platform/qcom/iris/iris_utils.c @@ -88,3 +88,39 @@ struct iris_inst *iris_get_instance(struct iris_core *co= re, u32 session_id) mutex_unlock(&core->lock); return NULL; } + +int iris_check_core_mbpf(struct iris_inst *inst) +{ + struct iris_core *core =3D inst->core; + struct iris_inst *instance; + u32 total_mbpf =3D 0; + + mutex_lock(&core->lock); + list_for_each_entry(instance, &core->instances, list) + total_mbpf +=3D iris_get_mbpf(instance); + mutex_unlock(&core->lock); + + if (total_mbpf > core->iris_platform_data->max_core_mbpf) + return -ENOMEM; + + return 0; +} + +int iris_check_core_mbps(struct iris_inst *inst) +{ + struct iris_core *core =3D inst->core; + struct iris_inst *instance; + u32 total_mbps =3D 0, fps =3D 0; + + mutex_lock(&core->lock); + list_for_each_entry(instance, &core->instances, list) { + fps =3D max(instance->frame_rate, instance->operating_rate); + total_mbps +=3D iris_get_mbpf(instance) * fps; + } + mutex_unlock(&core->lock); + + if (total_mbps > core->iris_platform_data->max_core_mbps) + return -ENOMEM; + + return 0; +} diff --git a/drivers/media/platform/qcom/iris/iris_utils.h b/drivers/media/= platform/qcom/iris/iris_utils.h index 49869cf7a376880a026f44ff3883a6b13c6fcfbb..75740181122f5bdf93d64d3f43b= 3a26a9fe97919 100644 --- a/drivers/media/platform/qcom/iris/iris_utils.h +++ b/drivers/media/platform/qcom/iris/iris_utils.h @@ -49,5 +49,7 @@ struct iris_inst *iris_get_instance(struct iris_core *cor= e, u32 session_id); void iris_helper_buffers_done(struct iris_inst *inst, unsigned int type, enum vb2_buffer_state state); int iris_wait_for_session_response(struct iris_inst *inst, bool is_flush); +int iris_check_core_mbpf(struct iris_inst *inst); +int iris_check_core_mbps(struct iris_inst *inst); =20 #endif diff --git a/drivers/media/platform/qcom/iris/iris_vb2.c b/drivers/media/pl= atform/qcom/iris/iris_vb2.c index e62ed7a57df2debf0a930ad8307e6d945f589922..e32f7e1f007228a3b2b51cd76cd= 193d852f16080 100644 --- a/drivers/media/platform/qcom/iris/iris_vb2.c +++ b/drivers/media/platform/qcom/iris/iris_vb2.c @@ -12,23 +12,6 @@ #include "iris_vdec.h" #include "iris_power.h" =20 -static int iris_check_core_mbpf(struct iris_inst *inst) -{ - struct iris_core *core =3D inst->core; - struct iris_inst *instance; - u32 total_mbpf =3D 0; - - mutex_lock(&core->lock); - list_for_each_entry(instance, &core->instances, list) - total_mbpf +=3D iris_get_mbpf(instance); - mutex_unlock(&core->lock); - - if (total_mbpf > core->iris_platform_data->max_core_mbpf) - return -ENOMEM; - - return 0; -} - static int iris_check_inst_mbpf(struct iris_inst *inst) { struct platform_inst_caps *caps; diff --git a/drivers/media/platform/qcom/iris/iris_venc.c b/drivers/media/p= latform/qcom/iris/iris_venc.c index 71960a0e903d114be7a9e797089c3dee2fab2545..967db02ed27f31498e0f5c3245a= 37473022f4be5 100644 --- a/drivers/media/platform/qcom/iris/iris_venc.c +++ b/drivers/media/platform/qcom/iris/iris_venc.c @@ -61,6 +61,9 @@ int iris_venc_inst_init(struct iris_inst *inst) inst->crop.width =3D f->fmt.pix_mp.width; inst->crop.height =3D f->fmt.pix_mp.height; =20 + inst->operating_rate =3D DEFAULT_FPS; + inst->frame_rate =3D DEFAULT_FPS; + return 0; } =20 @@ -326,3 +329,94 @@ int iris_venc_s_selection(struct iris_inst *inst, stru= ct v4l2_selection *s) return -EINVAL; } } + +int iris_venc_s_param(struct iris_inst *inst, struct v4l2_streamparm *s_pa= rm) +{ + struct platform_inst_caps *caps =3D inst->core->iris_platform_data->inst_= caps; + struct vb2_queue *src_q =3D v4l2_m2m_get_src_vq(inst->m2m_ctx); + struct vb2_queue *dst_q =3D v4l2_m2m_get_dst_vq(inst->m2m_ctx); + struct v4l2_fract *timeperframe =3D NULL; + u32 default_rate =3D DEFAULT_FPS; + bool is_frame_rate =3D false; + u64 us_per_frame, fps; + u32 max_rate; + + int ret =3D 0; + + if (s_parm->type =3D=3D V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + timeperframe =3D &s_parm->parm.output.timeperframe; + max_rate =3D caps->max_operating_rate; + s_parm->parm.output.capability =3D V4L2_CAP_TIMEPERFRAME; + } else { + timeperframe =3D &s_parm->parm.capture.timeperframe; + is_frame_rate =3D true; + max_rate =3D caps->max_frame_rate; + s_parm->parm.capture.capability =3D V4L2_CAP_TIMEPERFRAME; + } + + if (!timeperframe->denominator || !timeperframe->numerator) { + if (!timeperframe->numerator) + timeperframe->numerator =3D 1; + if (!timeperframe->denominator) + timeperframe->denominator =3D default_rate; + } + + us_per_frame =3D timeperframe->numerator * (u64)USEC_PER_SEC; + do_div(us_per_frame, timeperframe->denominator); + + if (!us_per_frame) + return -EINVAL; + + fps =3D (u64)USEC_PER_SEC; + do_div(fps, us_per_frame); + if (fps > max_rate) { + ret =3D -ENOMEM; + goto reset_rate; + } + + if (is_frame_rate) + inst->frame_rate =3D (u32)fps; + else + inst->operating_rate =3D (u32)fps; + + if ((s_parm->type =3D=3D V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && vb2_is_stre= aming(src_q)) || + (s_parm->type =3D=3D V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && vb2_is_str= eaming(dst_q))) { + ret =3D iris_check_core_mbpf(inst); + if (ret) + goto reset_rate; + ret =3D iris_check_core_mbps(inst); + if (ret) + goto reset_rate; + } + + return 0; + +reset_rate: + if (ret) { + if (is_frame_rate) + inst->frame_rate =3D default_rate; + else + inst->operating_rate =3D default_rate; + } + + return ret; +} + +int iris_venc_g_param(struct iris_inst *inst, struct v4l2_streamparm *s_pa= rm) +{ + struct v4l2_fract *timeperframe =3D NULL; + + if (s_parm->type =3D=3D V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { + timeperframe =3D &s_parm->parm.output.timeperframe; + timeperframe->numerator =3D 1; + timeperframe->denominator =3D inst->operating_rate; + s_parm->parm.output.capability =3D V4L2_CAP_TIMEPERFRAME; + } else { + timeperframe =3D &s_parm->parm.capture.timeperframe; + timeperframe->numerator =3D 1; + timeperframe->denominator =3D inst->frame_rate; + s_parm->parm.capture.capability =3D V4L2_CAP_TIMEPERFRAME; + } + + return 0; +} diff --git a/drivers/media/platform/qcom/iris/iris_venc.h b/drivers/media/p= latform/qcom/iris/iris_venc.h index 72c6e25d87113baa6d2219ae478b7d7df1aed7bf..0d566b7fc89b96b8fbc62a35b2b= a795ca0bcf460 100644 --- a/drivers/media/platform/qcom/iris/iris_venc.h +++ b/drivers/media/platform/qcom/iris/iris_venc.h @@ -16,5 +16,7 @@ int iris_venc_s_fmt(struct iris_inst *inst, struct v4l2_f= ormat *f); int iris_venc_validate_format(struct iris_inst *inst, u32 pixelformat); int iris_venc_subscribe_event(struct iris_inst *inst, const struct v4l2_ev= ent_subscription *sub); int iris_venc_s_selection(struct iris_inst *inst, struct v4l2_selection *s= ); +int iris_venc_g_param(struct iris_inst *inst, struct v4l2_streamparm *s_pa= rm); +int iris_venc_s_param(struct iris_inst *inst, struct v4l2_streamparm *s_pa= rm); =20 #endif diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c b/drivers/media/p= latform/qcom/iris/iris_vidc.c index b134ae710d9e1d02bc52db2e9356fdc4f668a387..6e3bd02afe44534a8f36cc22d9c= 8cda4a53a05cd 100644 --- a/drivers/media/platform/qcom/iris/iris_vidc.c +++ b/drivers/media/platform/qcom/iris/iris_vidc.c @@ -530,6 +530,34 @@ static int iris_subscribe_event(struct v4l2_fh *fh, co= nst struct v4l2_event_subs return -EINVAL; } =20 +static int iris_s_parm(struct file *filp, void *fh, struct v4l2_streamparm= *a) +{ + struct iris_inst *inst =3D container_of(fh, struct iris_inst, fh); + + if (a->type !=3D V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && + a->type !=3D V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + return -EINVAL; + + if (inst->domain =3D=3D ENCODER) + return iris_venc_s_param(inst, a); + else + return -EINVAL; +} + +static int iris_g_parm(struct file *filp, void *fh, struct v4l2_streamparm= *a) +{ + struct iris_inst *inst =3D container_of(fh, struct iris_inst, fh); + + if (a->type !=3D V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && + a->type !=3D V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) + return -EINVAL; + + if (inst->domain =3D=3D ENCODER) + return iris_venc_g_param(inst, a); + else + return -EINVAL; +} + static int iris_dec_cmd(struct file *filp, void *fh, struct v4l2_decoder_cmd *dec) { @@ -626,6 +654,8 @@ static const struct v4l2_ioctl_ops iris_v4l2_ioctl_ops_= enc =3D { .vidioc_unsubscribe_event =3D v4l2_event_unsubscribe, .vidioc_g_selection =3D iris_g_selection, .vidioc_s_selection =3D iris_s_selection, + .vidioc_s_parm =3D iris_s_parm, + .vidioc_g_parm =3D iris_g_parm, }; =20 void iris_init_ops(struct iris_core *core) --=20 2.34.1