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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-03-03 10:05:22 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-03-22 04:53:55 -0300
commit4b0ec19e02fabdd09fc2f4754304894bbefb3f45 (patch)
treec9ff3d9e330b1cc42fc640bc1f4f7fab5c0cf8aa /drivers/media/video
parent7e8970e1d5ae9237d00909599e70f85fce1fc489 (diff)
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[media] omap3isp: Add set performance callback in isp platform data
Replace the omap_pm_set_min_bus_tput() with a callback to board code. This makes the omap3isp driver compilable as a module, and lets board code manage OMAP PM details depending on board requirements. Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video')
-rw-r--r--drivers/media/video/omap3isp/isp.h1
-rw-r--r--drivers/media/video/omap3isp/ispvideo.c21
2 files changed, 7 insertions, 15 deletions
diff --git a/drivers/media/video/omap3isp/isp.h b/drivers/media/video/omap3isp/isp.h
index a8dfea413d34..cf5214e95a92 100644
--- a/drivers/media/video/omap3isp/isp.h
+++ b/drivers/media/video/omap3isp/isp.h
@@ -199,6 +199,7 @@ struct isp_v4l2_subdevs_group {
struct isp_platform_data {
struct isp_v4l2_subdevs_group *subdevs;
+ void (*set_constraints)(struct isp_device *isp, bool enable);
};
struct isp_platform_callback {
diff --git a/drivers/media/video/omap3isp/ispvideo.c b/drivers/media/video/omap3isp/ispvideo.c
index 517a24de5836..a0bb5db9cb8a 100644
--- a/drivers/media/video/omap3isp/ispvideo.c
+++ b/drivers/media/video/omap3isp/ispvideo.c
@@ -921,18 +921,8 @@ isp_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
pipe->output = far_end;
}
- /* Make sure the interconnect clock runs fast enough.
- *
- * Formula from: resource34xx.c set_opp()
- * If MPU freq is above 500MHz, make sure the interconnect
- * is at 100Mhz or above.
- * throughput in KiB/s for 100 Mhz = 100 * 1000 * 4.
- *
- * We want to be fast enough then set OCP clock to be max as
- * possible, in that case 185Mhz then:
- * throughput in KiB/s for 185Mhz = 185 * 1000 * 4 = 740000 KiB/s
- */
- omap_pm_set_min_bus_tput(video->isp->dev, OCP_INITIATOR_AGENT, 740000);
+ if (video->isp->pdata->set_constraints)
+ video->isp->pdata->set_constraints(video->isp, true);
pipe->l3_ick = clk_get_rate(video->isp->clock[ISP_CLK_L3_ICK]);
/* Validate the pipeline and update its state. */
@@ -978,8 +968,8 @@ isp_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
error:
if (ret < 0) {
omap3isp_video_queue_streamoff(&vfh->queue);
- omap_pm_set_min_bus_tput(video->isp->dev,
- OCP_INITIATOR_AGENT, 0);
+ if (video->isp->pdata->set_constraints)
+ video->isp->pdata->set_constraints(video->isp, false);
media_entity_pipeline_stop(&video->video.entity);
video->queue = NULL;
}
@@ -1032,7 +1022,8 @@ isp_video_streamoff(struct file *file, void *fh, enum v4l2_buf_type type)
video->queue = NULL;
video->streaming = 0;
- omap_pm_set_min_bus_tput(video->isp->dev, OCP_INITIATOR_AGENT, 0);
+ if (video->isp->pdata->set_constraints)
+ video->isp->pdata->set_constraints(video->isp, false);
media_entity_pipeline_stop(&video->video.entity);
done: