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From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: linux-media@vger.kernel.org
Cc: "Yan, Dongcheng" <dongcheng.yan@intel.com>,
	Mehdi Djait <mehdi.djait@linux.intel.com>,
	"Yu, Ong Hock" <ong.hock.yu@intel.com>,
	"Ng, Khai Wen" <khai.wen.ng@intel.com>,
	Antti Laakso <antti.laakso@linux.intel.com>,
	"Bajpai, Manik" <manik.bajpai@intel.com>,
	Divyamani Tripathi <divyamani.tripathi@intel.com>
Subject: [PATCH v2 07/21] media: ipu6: Get watermark configuration directly from ipdata
Date: Thu, 17 Sep 2026 14:39:09 +0300	[thread overview]
Message-ID: <20260917113923.59004-8-sakari.ailus@linux.intel.com> (raw)
In-Reply-To: <20260917113923.59004-1-sakari.ailus@linux.intel.com>

Instead of passing watermark configuration data around, get it directly
from IPU variant specific static data structure.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/pci/intel/ipu6/ipu6-isys-video.c | 12 ++++--------
 drivers/media/pci/intel/ipu6/ipu6-isys-video.h |  2 --
 2 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys-video.c b/drivers/media/pci/intel/ipu6/ipu6-isys-video.c
index 3d455872f29a..b3cbd4266da1 100644
--- a/drivers/media/pci/intel/ipu6/ipu6-isys-video.c
+++ b/drivers/media/pci/intel/ipu6/ipu6-isys-video.c
@@ -657,8 +657,6 @@ void ipu6_isys_configure_stream_watermark(struct ipu6_isys_video *av,
 
 	av->watermark.width = ipu6_isys_get_frame_width(av);
 	av->watermark.height = ipu6_isys_get_frame_height(av);
-	av->watermark.sram_gran_shift = isys->pdata->ipdata->sram_gran_shift;
-	av->watermark.sram_gran_size = isys->pdata->ipdata->sram_gran_size;
 
 	ret = v4l2_g_ctrl(esd->ctrl_handler, &hb);
 	if (!ret && hb.value >= 0)
@@ -697,17 +695,15 @@ static void calculate_stream_datarate(struct ipu6_isys_video *av)
 		ipu6_isys_get_isys_format(ipu6_isys_get_format(av), 0);
 	u32 pages_per_line, pb_bytes_per_line, pixels_per_line, bytes_per_line;
 	u64 line_time_ns, stream_data_rate;
-	u16 shift, size;
-
-	shift = watermark->sram_gran_shift;
-	size = watermark->sram_gran_size;
 
 	pixels_per_line = watermark->width + watermark->hblank;
 	line_time_ns =  div_u64(pixels_per_line * NSEC_PER_SEC,
 				watermark->pixel_rate);
 	bytes_per_line = watermark->width * pfmt->bpp / 8;
-	pages_per_line = DIV_ROUND_UP(bytes_per_line, size);
-	pb_bytes_per_line = pages_per_line << shift;
+	pages_per_line = DIV_ROUND_UP(bytes_per_line,
+				      av->isys->pdata->ipdata->sram_gran_size);
+	pb_bytes_per_line =
+		pages_per_line << av->isys->pdata->ipdata->sram_gran_shift;
 	stream_data_rate = div64_u64(pb_bytes_per_line * 1000, line_time_ns);
 
 	watermark->stream_data_rate = stream_data_rate;
diff --git a/drivers/media/pci/intel/ipu6/ipu6-isys-video.h b/drivers/media/pci/intel/ipu6/ipu6-isys-video.h
index 5e522686135f..4c890c6af8f5 100644
--- a/drivers/media/pci/intel/ipu6/ipu6-isys-video.h
+++ b/drivers/media/pci/intel/ipu6/ipu6-isys-video.h
@@ -73,8 +73,6 @@ struct video_stream_watermark {
 	u32 frame_rate;
 	u64 pixel_rate;
 	u64 stream_data_rate;
-	u16 sram_gran_shift;
-	u16 sram_gran_size;
 	struct list_head stream_node;
 };
 
-- 
2.47.3


  parent reply	other threads:[~2026-09-17 11:39 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-17 11:39 [PATCH v2 00/21] IPU6 multi-stream and metadata support preparation Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 01/21] media: ipu6: Fix releasing resources at failing streamon Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 02/21] media: ipu6: Move streaming control to CSI-2 receiver driver Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 03/21] media: ipu6: Stream number on CSI-2 receiver source pads is always 0 Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 04/21] media: ipu6: Rename misnamed out_free_watermark label in video init Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 05/21] media: ipu6: Always request a capture ack Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 06/21] media: ipu6: Clean up link frequency calculation Sakari Ailus
2026-09-17 11:39 ` Sakari Ailus [this message]
2026-09-17 11:39 ` [PATCH v2 08/21] media: ipu6: Collect IPU streams into CSI-2 receiver sub-device context Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 09/21] media: ipu6: Start streaming once all streams have started, stop when not Sakari Ailus
2026-09-18  7:36   ` Nicola Fiorillo
2026-09-18 20:56     ` Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 10/21] media: ipu6: Add lockdep checks for CSI-2 streaming enable and disable Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 11/21] media: ipu6: Remove nr_queues and nr_streaming fields in ipu6_isys_stream Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 12/21] media: ipu6: Collect enabled stream IDs Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 13/21] media: ipu6: Avoid accessing av->streams before streaming Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 14/21] media: ipu6: Rework watermark calculation Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 15/21] media: ipu6: Rework watermark setting Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 16/21] media: ipu6: Bridge the gap between streams in V4L2 and IPU6 firmware Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 17/21] media: ipu6: Drop {get,put}_streams_opened() Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 18/21] media: ipu6: Serialise access to stream pointers by isys stream_lock Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 19/21] media: ipu6: Move firmware init/cleanup to RPM callbacks Sakari Ailus
2026-09-17 11:39 ` [PATCH v2 20/21] media: ipu6: Don't track power status, rely on runtime PM Sakari Ailus
2026-09-22  9:16   ` Manik Bajpai
2026-09-17 11:39 ` [PATCH v2 21/21] media: ipu6: Support upstream sub-devices without get_frame_desc() Sakari Ailus

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