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msm: vidc: Increase minimum input buffer count for HEVC decode

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Increase minimum input buffer count for HEVC decode to 5 to
avoid hang when the DPB is not full and FW keeps
waiting for FTB although sufficient ETB are being queued.

CRs-Fixed: 2252419

Change-Id: Id344cd896aeac46765e250e715d14a6c835b4221
Signed-off-by: Paras Nagda <pnagda@codeaurora.org>
This commit is contained in:
Paras Nagda 2018-05-29 17:50:35 +05:30 • committed by Gerrit - the friendly Code Review server
parent d54a5ed7e5
commit 88955d3b16
1 changed files with 7 additions and 0 deletions
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7
drivers/media/platform/msm/vidc/msm_vdec.c
View file

@ -23,6 +23,7 @@
#define MSM_VDEC_DVC_NAME "msm_vdec_8974"
#define MIN_NUM_OUTPUT_BUFFERS 4
#define MIN_NUM_OUTPUT_BUFFERS_HEVC 5
#define MIN_NUM_CAPTURE_BUFFERS 6
#define MIN_NUM_THUMBNAIL_MODE_CAPTURE_BUFFERS 1
#define MAX_NUM_OUTPUT_BUFFERS VB2_MAX_FRAME
@ -1471,6 +1472,12 @@ static int msm_vdec_queue_setup(struct vb2_queue *q,
if (*num_buffers < MIN_NUM_OUTPUT_BUFFERS ||
*num_buffers > MAX_NUM_OUTPUT_BUFFERS)
*num_buffers = MIN_NUM_OUTPUT_BUFFERS;
if (inst->fmts[OUTPUT_PORT].fourcc ==
V4L2_PIX_FMT_HEVC &&
*num_buffers < MIN_NUM_OUTPUT_BUFFERS_HEVC)
*num_buffers = MIN_NUM_OUTPUT_BUFFERS_HEVC;
for (i = 0; i < *num_planes; i++) {
sizes[i] = get_frame_size(inst,
&inst->fmts[OUTPUT_PORT], q->type, i);