When stopping the resizer due to a buffer underrun, disabling RZA only
produces input FIFO overflows, most probably when the next frame is
received. Disable the whole resizer to work around the problem.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
drivers/staging/media/omap4iss/iss_resizer.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/media/omap4iss/iss_resizer.c b/drivers/staging/media/omap4iss/iss_resizer.c
index 793325c..5bf5080 100644
--- a/drivers/staging/media/omap4iss/iss_resizer.c
+++ b/drivers/staging/media/omap4iss/iss_resizer.c
@@ -266,10 +266,12 @@ static void resizer_configure(struct iss_resizer_device *resizer)
static void resizer_isr_buffer(struct iss_resizer_device *resizer)
{
- struct iss_device *iss = to_iss_device(resizer);
struct iss_buffer *buffer;
- iss_reg_clr(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_EN, RSZ_EN_EN);
+ /* The whole resizer needs to be stopped. Disabling RZA only produces
+ * input FIFO overflows, most probably when the next frame is received.
+ */
+ resizer_enable(resizer, 0);
buffer = omap4iss_video_buffer_next(&resizer->video_out);
if (buffer == NULL)
@@ -277,7 +279,7 @@ static void resizer_isr_buffer(struct iss_resizer_device *resizer)
resizer_set_outaddr(resizer, buffer->iss_addr);
- iss_reg_set(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_EN, RSZ_EN_EN);
+ resizer_enable(resizer, 1);
}
/*
--
1.8.3.2
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
