From cef697d8a0632f649c9b0450e14a370b85d2d10d Mon Sep 17 00:00:00 2001 From: Stanimir Varbanov Date: Wed, 16 Jan 2019 14:40:58 -0200 Subject: [PATCH] media: venus: vdec_ctrls: get real minimum buffers for capture Until now we returned num_output_bufs set during reqbuf but that could be wrong when we implement stateful Codec API. So get the minimum buffers for capture from HFI. This is supposed to be called after stream header parsing, i.e. after dequeue v4l2 event for change resolution. Signed-off-by: Stanimir Varbanov Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/qcom/venus/vdec_ctrls.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/venus/vdec_ctrls.c b/drivers/media/platform/qcom/venus/vdec_ctrls.c index 300350bfe8bd..3a963cbd342a 100644 --- a/drivers/media/platform/qcom/venus/vdec_ctrls.c +++ b/drivers/media/platform/qcom/venus/vdec_ctrls.c @@ -7,6 +7,7 @@ #include #include "core.h" +#include "helpers.h" #include "vdec.h" static int vdec_op_s_ctrl(struct v4l2_ctrl *ctrl) @@ -38,7 +39,9 @@ static int vdec_op_g_volatile_ctrl(struct v4l2_ctrl *ctrl) { struct venus_inst *inst = ctrl_to_inst(ctrl); struct vdec_controls *ctr = &inst->controls.dec; + struct hfi_buffer_requirements bufreq; union hfi_get_property hprop; + enum hfi_version ver = inst->core->res->hfi_version; u32 ptype = HFI_PROPERTY_PARAM_PROFILE_LEVEL_CURRENT; int ret; @@ -62,7 +65,9 @@ static int vdec_op_g_volatile_ctrl(struct v4l2_ctrl *ctrl) ctrl->val = ctr->post_loop_deb_mode; break; case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE: - ctrl->val = inst->num_output_bufs; + ret = venus_helper_get_bufreq(inst, HFI_BUFFER_OUTPUT, &bufreq); + if (!ret) + ctrl->val = HFI_BUFREQ_COUNT_MIN(&bufreq, ver); break; default: return -EINVAL; -- 2.45.2