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msm: camera: isp: Fix frame drop pattern

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In few scenarios, the request frame may get
delayed and current and request frame id may
become same. While user space is informed to
delay a frame in such scenarios, the pattern
shouldn't get reset.

Change-Id: I63f1301fbbe7cba024a686cbd783af25232f1293
Signed-off-by: Meera Gande <mgande@codeaurora.org>
This commit is contained in:
Meera Gande 2018-10-16 12:20:15 +05:30 • committed by Vandana Jain
parent 10da01940d
commit cc4d1a6cb1
1 changed files with 6 additions and 3 deletions
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9
drivers/media/platform/msm/camera_v2/isp/msm_isp_axi_util.c
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@ -596,7 +596,8 @@ static int msm_isp_composite_irq(struct vfe_device *vfe_dev,
*
* Returns void
*/
static void msm_isp_update_framedrop_reg(struct msm_vfe_axi_stream *stream_info)
static void msm_isp_update_framedrop_reg(struct msm_vfe_axi_stream *stream_info,
uint32_t drop_reconfig)
{
if (stream_info->stream_type == BURST_STREAM) {
if (stream_info->runtime_num_burst_capture == 0 ||
@ -606,7 +607,8 @@ static void msm_isp_update_framedrop_reg(struct msm_vfe_axi_stream *stream_info)
MSM_VFE_STREAM_STOP_PERIOD;
}
if (stream_info->undelivered_request_cnt > 0)
if (stream_info->undelivered_request_cnt > 0 &&
drop_reconfig != 1)
stream_info->current_framedrop_period =
MSM_VFE_STREAM_STOP_PERIOD;
@ -661,7 +663,8 @@ void msm_isp_process_reg_upd_epoch_irq(struct vfe_device *vfe_dev,
break;
case MSM_ISP_COMP_IRQ_EPOCH:
if (stream_info->state == ACTIVE)
msm_isp_update_framedrop_reg(stream_info);
msm_isp_update_framedrop_reg(stream_info,
vfe_dev->isp_page->drop_reconfig);
break;
default:
WARN(1, "Invalid irq %d\n", irq);