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authorhenryhsu <henryhsu@chromium.org>2017-06-30 10:15:47 -0400
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-07-26 08:36:50 -0400
commit80cdacaa5cad7e0550789a47bcd108f32a7fc9f1 (patch)
tree9106fad591febec8e8b1749e48617fcb18365c74 /drivers/media/platform/s5p-jpeg
parent1c84e7f9d5dc596bef22204131e561c4b3addf0a (diff)
downloadblackbird-op-linux-80cdacaa5cad7e0550789a47bcd108f32a7fc9f1.tar.gz
blackbird-op-linux-80cdacaa5cad7e0550789a47bcd108f32a7fc9f1.zip
media: s5p-jpeg: Add stream error handling for Exynos5420
On Exynos5420, the STREAM_STAT bit raised on the JPGINTST register means there is a syntax error or an unrecoverable error on compressed file when ERR_INT_EN is set to 1. Fix this case and report BUF_STATE_ERROR to videobuf2. Signed-off-by: Henry-Ruey Hsu <henryhsu@chromium.org> Signed-off-by: Thierry Escande <thierry.escande@collabora.com> Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/platform/s5p-jpeg')
-rw-r--r--drivers/media/platform/s5p-jpeg/jpeg-core.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
index 96f38f49b260..4cef4b8c6584 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
@@ -2813,6 +2813,7 @@ static irqreturn_t exynos3250_jpeg_irq(int irq, void *dev_id)
unsigned long payload_size = 0;
enum vb2_buffer_state state = VB2_BUF_STATE_DONE;
bool interrupt_timeout = false;
+ bool stream_error = false;
u32 irq_status;
spin_lock(&jpeg->slock);
@@ -2829,6 +2830,12 @@ static irqreturn_t exynos3250_jpeg_irq(int irq, void *dev_id)
jpeg->irq_status |= irq_status;
+ if (jpeg->variant->version == SJPEG_EXYNOS5420 &&
+ irq_status & EXYNOS3250_STREAM_STAT) {
+ stream_error = true;
+ dev_err(jpeg->dev, "Syntax error or unrecoverable error occurred.\n");
+ }
+
curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev);
if (!curr_ctx)
@@ -2845,7 +2852,7 @@ static irqreturn_t exynos3250_jpeg_irq(int irq, void *dev_id)
EXYNOS3250_RDMA_DONE |
EXYNOS3250_RESULT_STAT))
payload_size = exynos3250_jpeg_compressed_size(jpeg->regs);
- else if (interrupt_timeout)
+ else if (interrupt_timeout || stream_error)
state = VB2_BUF_STATE_ERROR;
else
goto exit_unlock;
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