linux-kernel - [PATCH v7 3/5] media: venus: Remove timeperframe from inst

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Message-Id: <20250616-test-v7-3-b8c0f98494fa@chromium.org>
Date: Mon, 16 Jun 2025 15:29:16 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Vikash Garodia <quic_vgarodia@...cinc.com>, 
 Dikshita Agarwal <quic_dikshita@...cinc.com>, 
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Stanimir Varbanov <stanimir.varbanov@...aro.org>, 
 Hans Verkuil <hans.verkuil@...co.com>
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v7 3/5] media: venus: Remove timeperframe from inst

The driver only cares about whole fps. We can infer the timeperframe
from the fps field. Remove the redundant field.

Reviewed-by: Vikash Garodia <quic_vgarodia@...cinc.com>
Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 drivers/media/platform/qcom/venus/core.h |  2 --
 drivers/media/platform/qcom/venus/vdec.c | 15 ++++++++-------
 drivers/media/platform/qcom/venus/venc.c | 16 ++++++++--------
 3 files changed, 16 insertions(+), 17 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
index 5b1ba1c69adba14c3560a4bc6d09435529f295a6..9cfb860e01e752bf9856a3550f59c8c7b43647d2 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h
@@ -413,7 +413,6 @@ enum venus_inst_modes {
  * @tss:		timestamp metadata
  * @payloads:		cache plane payload to use it for clock/BW scaling
  * @fps:		holds current FPS
- * @timeperframe:	holds current time per frame structure
  * @fmt_out:	a reference to output format structure
  * @fmt_cap:	a reference to capture format structure
  * @num_input_bufs:	holds number of input buffers
@@ -484,7 +483,6 @@ struct venus_inst {
 	struct venus_ts_metadata tss[VIDEO_MAX_FRAME];
 	unsigned long payloads[VIDEO_MAX_FRAME];
 	u64 fps;
-	struct v4l2_fract timeperframe;
 	const struct venus_format *fmt_out;
 	const struct venus_format *fmt_cap;
 	unsigned int num_input_bufs;
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
index fca27be61f4b869840904cc0577949635bc63cab..7d6612234d18a49573dc502d48ee61a900b63194 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -471,10 +471,12 @@ static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 		return -EINVAL;
 
 	memset(cap->reserved, 0, sizeof(cap->reserved));
-	if (!timeperframe->denominator)
-		timeperframe->denominator = inst->timeperframe.denominator;
-	if (!timeperframe->numerator)
-		timeperframe->numerator = inst->timeperframe.numerator;
+
+	if (!timeperframe->numerator || !timeperframe->denominator) {
+		timeperframe->numerator = 1;
+		timeperframe->denominator = inst->fps;
+	}
+
 	cap->readbuffers = 0;
 	cap->extendedmode = 0;
 	cap->capability = V4L2_CAP_TIMEPERFRAME;
@@ -487,7 +489,8 @@ static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 	fps = min(VENUS_MAX_FPS, fps);
 
 	inst->fps = fps;
-	inst->timeperframe = *timeperframe;
+	timeperframe->numerator = 1;
+	timeperframe->denominator = inst->fps;
 
 	return 0;
 }
@@ -1622,8 +1625,6 @@ static void vdec_inst_init(struct venus_inst *inst)
 	inst->out_width = frame_width_min(inst);
 	inst->out_height = frame_height_min(inst);
 	inst->fps = 30;
-	inst->timeperframe.numerator = 1;
-	inst->timeperframe.denominator = 30;
 	inst->opb_buftype = HFI_BUFFER_OUTPUT;
 }
 
diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index b9ccee870c3d1238e04cef5e9344bd992d86d737..4979392aa20b6dc94895c7089878531b92b57754 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -401,10 +401,10 @@ static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 
 	memset(out->reserved, 0, sizeof(out->reserved));
 
-	if (!timeperframe->denominator)
-		timeperframe->denominator = inst->timeperframe.denominator;
-	if (!timeperframe->numerator)
-		timeperframe->numerator = inst->timeperframe.numerator;
+	if (!timeperframe->numerator || !timeperframe->denominator) {
+		timeperframe->numerator = 1;
+		timeperframe->denominator = inst->fps;
+	}
 
 	out->capability = V4L2_CAP_TIMEPERFRAME;
 
@@ -416,8 +416,9 @@ static int venc_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 	do_div(fps, us_per_frame);
 	fps = min(VENUS_MAX_FPS, fps);
 
-	inst->timeperframe = *timeperframe;
 	inst->fps = fps;
+	timeperframe->numerator = 1;
+	timeperframe->denominator = inst->fps;
 
 	return 0;
 }
@@ -431,7 +432,8 @@ static int venc_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a)
 		return -EINVAL;
 
 	a->parm.output.capability |= V4L2_CAP_TIMEPERFRAME;
-	a->parm.output.timeperframe = inst->timeperframe;
+	a->parm.output.timeperframe.numerator = 1;
+	a->parm.output.timeperframe.denominator = inst->fps;
 
 	return 0;
 }
@@ -1454,8 +1456,6 @@ static void venc_inst_init(struct venus_inst *inst)
 	inst->out_width = 1280;
 	inst->out_height = 720;
 	inst->fps = 15;
-	inst->timeperframe.numerator = 1;
-	inst->timeperframe.denominator = 15;
 	inst->hfi_codec = HFI_VIDEO_CODEC_H264;
 }
 

-- 
2.50.0.rc1.591.g9c95f17f64-goog