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Subject[PATCH v2 7/7] media: venus: Set buffer to FW based on FW min count requirement.
Date
- Get the min buffer count required by FW from source event change
and use the same value to decide actual buffer count and for
buffer size calculation.
- Setup DPB and OPB buffers after session continue incase of
reconfig.

Signed-off-by: Dikshita Agarwal <dikshita@codeaurora.org>
---
drivers/media/platform/qcom/venus/core.h | 1 +
drivers/media/platform/qcom/venus/helpers.c | 11 ++++++++++-
drivers/media/platform/qcom/venus/hfi_helper.h | 9 +++++++++
drivers/media/platform/qcom/venus/hfi_msgs.c | 7 +++++++
drivers/media/platform/qcom/venus/hfi_plat_bufs.h | 2 +-
drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c | 14 +++++++++-----
drivers/media/platform/qcom/venus/hfi_platform.h | 3 ++-
drivers/media/platform/qcom/venus/vdec.c | 20 +++++++++++++-------
8 files changed, 52 insertions(+), 15 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
index 1ff20d9..b2b023e 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h
@@ -403,6 +403,7 @@ struct venus_inst {
u32 width;
u32 height;
struct v4l2_rect crop;
+ u32 fw_min_cnt;
u32 out_width;
u32 out_height;
u32 colorspace;
diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
index ccf188a..a7c49ab 100644
--- a/drivers/media/platform/qcom/venus/helpers.c
+++ b/drivers/media/platform/qcom/venus/helpers.c
@@ -576,6 +576,7 @@ static int platform_get_bufreq(struct venus_inst *inst, u32 buftype,
struct hfi_plat_buffers_params params;
bool is_dec = inst->session_type == VIDC_SESSION_TYPE_DEC;
struct venc_controls *enc_ctr = &inst->controls.enc;
+ int ret = 0;

hfi_plat = hfi_platform_get(version);

@@ -610,7 +611,15 @@ static int platform_get_bufreq(struct venus_inst *inst, u32 buftype,
params.enc.is_tenbit = inst->bit_depth == VIDC_BITDEPTH_10;
}

- return hfi_plat->bufreq(&params, inst->session_type, buftype, req);
+ if (buftype == HFI_BUFFER_OUTPUT || buftype == HFI_BUFFER_OUTPUT2 ||
+ buftype == HFI_BUFFER_INTERNAL_SCRATCH_1(version))
+ req->count_min = inst->fw_min_cnt;
+
+ ret = hfi_plat->bufreq(&params, inst->session_type, buftype, req, inst->num_output_bufs);
+ if (buftype == HFI_BUFFER_OUTPUT || buftype == HFI_BUFFER_OUTPUT2)
+ if (inst->fw_min_cnt != req->count_min)
+ inst->fw_min_cnt = req->count_min;
+ return ret;
}

int venus_helper_get_bufreq(struct venus_inst *inst, u32 type,
diff --git a/drivers/media/platform/qcom/venus/hfi_helper.h b/drivers/media/platform/qcom/venus/hfi_helper.h
index 185c302..f2e8fad 100644
--- a/drivers/media/platform/qcom/venus/hfi_helper.h
+++ b/drivers/media/platform/qcom/venus/hfi_helper.h
@@ -167,6 +167,7 @@
#define HFI_PROPERTY_PARAM_VDEC_RECOVERY_POINT_SEI_EXTRADATA 0x120300c
#define HFI_PROPERTY_PARAM_VDEC_THUMBNAIL_MODE 0x120300d
#define HFI_PROPERTY_PARAM_VDEC_FRAME_ASSEMBLY 0x120300e
+#define HFI_PROPERTY_PARAM_VDEC_DPB_COUNTS 0x120300e
#define HFI_PROPERTY_PARAM_VDEC_VC1_FRAMEDISP_EXTRADATA 0x1203011
#define HFI_PROPERTY_PARAM_VDEC_VC1_SEQDISP_EXTRADATA 0x1203012
#define HFI_PROPERTY_PARAM_VDEC_TIMESTAMP_EXTRADATA 0x1203013
@@ -906,6 +907,14 @@ struct hfi_extradata_input_crop {
u32 height;
};

+struct hfi_dpb_counts {
+ u32 max_dpb_count;
+ u32 max_ref_frames;
+ u32 max_dec_buffering;
+ u32 max_reorder_frames;
+ u32 fw_min_cnt;
+};
+
#define HFI_COLOR_FORMAT_MONOCHROME 0x01
#define HFI_COLOR_FORMAT_NV12 0x02
#define HFI_COLOR_FORMAT_NV21 0x03
diff --git a/drivers/media/platform/qcom/venus/hfi_msgs.c b/drivers/media/platform/qcom/venus/hfi_msgs.c
index a2d436d..ed005d6 100644
--- a/drivers/media/platform/qcom/venus/hfi_msgs.c
+++ b/drivers/media/platform/qcom/venus/hfi_msgs.c
@@ -32,6 +32,7 @@ static void event_seq_changed(struct venus_core *core, struct venus_inst *inst,
struct hfi_colour_space *colour_info;
struct hfi_buffer_requirements *bufreq;
struct hfi_extradata_input_crop *crop;
+ struct hfi_dpb_counts *dpb_count;
u8 *data_ptr;
u32 ptype;

@@ -110,6 +111,12 @@ static void event_seq_changed(struct venus_core *core, struct venus_inst *inst,
event.input_crop.height = crop->height;
data_ptr += sizeof(*crop);
break;
+ case HFI_PROPERTY_PARAM_VDEC_DPB_COUNTS:
+ data_ptr += sizeof(u32);
+ dpb_count = (struct hfi_dpb_counts *)data_ptr;
+ event.buf_count = dpb_count->fw_min_cnt;
+ data_ptr += sizeof(*dpb_count);
+ break;
default:
break;
}
diff --git a/drivers/media/platform/qcom/venus/hfi_plat_bufs.h b/drivers/media/platform/qcom/venus/hfi_plat_bufs.h
index 52a51a3..f40daa3 100644
--- a/drivers/media/platform/qcom/venus/hfi_plat_bufs.h
+++ b/drivers/media/platform/qcom/venus/hfi_plat_bufs.h
@@ -33,6 +33,6 @@ struct hfi_plat_buffers_params {
};

int hfi_plat_bufreq_v6(struct hfi_plat_buffers_params *params, u32 session_type,
- u32 buftype, struct hfi_buffer_requirements *bufreq);
+ u32 buftype, struct hfi_buffer_requirements *bufreq, u32 num_output_bufs);

#endif
diff --git a/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c b/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c
index 479178b..2d50949 100644
--- a/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c
+++ b/drivers/media/platform/qcom/venus/hfi_plat_bufs_v6.c
@@ -1164,7 +1164,7 @@ static int output_buffer_count(u32 session_type, u32 codec)
output_min_count = 6;
break;
case V4L2_PIX_FMT_VP9:
- output_min_count = 9;
+ output_min_count = 11;
break;
case V4L2_PIX_FMT_H264:
case V4L2_PIX_FMT_HEVC:
@@ -1180,7 +1180,7 @@ static int output_buffer_count(u32 session_type, u32 codec)
}

static int bufreq_dec(struct hfi_plat_buffers_params *params, u32 buftype,
- struct hfi_buffer_requirements *bufreq)
+ struct hfi_buffer_requirements *bufreq, u32 num_output_bufs)
{
enum hfi_version version = params->version;
u32 codec = params->codec;
@@ -1213,6 +1213,10 @@ static int bufreq_dec(struct hfi_plat_buffers_params *params, u32 buftype,
}

out_min_count = output_buffer_count(VIDC_SESSION_TYPE_DEC, codec);
+ /* Max of driver and FW count */
+ out_min_count = max(out_min_count, bufreq->count_min);
+ /* Max of FW and client count */
+ out_min_count = max(out_min_count, num_output_bufs);

bufreq->type = buftype;
bufreq->region_size = 0;
@@ -1237,7 +1241,7 @@ static int bufreq_dec(struct hfi_plat_buffers_params *params, u32 buftype,
} else if (buftype == HFI_BUFFER_INTERNAL_SCRATCH(version)) {
bufreq->size = dec_ops->scratch(width, height, is_interlaced);
} else if (buftype == HFI_BUFFER_INTERNAL_SCRATCH_1(version)) {
- bufreq->size = dec_ops->scratch1(width, height, out_min_count,
+ bufreq->size = dec_ops->scratch1(width, height, VB2_MAX_FRAME,
is_secondary_output,
num_vpp_pipes);
} else if (buftype == HFI_BUFFER_INTERNAL_PERSIST_1) {
@@ -1318,10 +1322,10 @@ static int bufreq_enc(struct hfi_plat_buffers_params *params, u32 buftype,
}

int hfi_plat_bufreq_v6(struct hfi_plat_buffers_params *params, u32 session_type,
- u32 buftype, struct hfi_buffer_requirements *bufreq)
+ u32 buftype, struct hfi_buffer_requirements *bufreq, u32 num_output_bufs)
{
if (session_type == VIDC_SESSION_TYPE_DEC)
- return bufreq_dec(params, buftype, bufreq);
+ return bufreq_dec(params, buftype, bufreq, num_output_bufs);
else
return bufreq_enc(params, buftype, bufreq);
}
diff --git a/drivers/media/platform/qcom/venus/hfi_platform.h b/drivers/media/platform/qcom/venus/hfi_platform.h
index ef768bf..89fa3bd 100644
--- a/drivers/media/platform/qcom/venus/hfi_platform.h
+++ b/drivers/media/platform/qcom/venus/hfi_platform.h
@@ -51,7 +51,8 @@ struct hfi_platform {
void (*codecs)(u32 *enc_codecs, u32 *dec_codecs, u32 *count);
const struct hfi_plat_caps *(*capabilities)(unsigned int *entries);
int (*bufreq)(struct hfi_plat_buffers_params *params, u32 session_type,
- u32 buftype, struct hfi_buffer_requirements *bufreq);
+ u32 buftype, struct hfi_buffer_requirements *bufreq,
+ u32 num_output_bufs);
};

extern const struct hfi_platform hfi_plat_v4;
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
index 892be8d..3e91d8c 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -988,23 +988,23 @@ static int vdec_start_capture(struct venus_inst *inst)
if (ret)
goto err;

+ venus_pm_load_scale(inst);
+
+ inst->next_buf_last = false;
+
ret = venus_helper_alloc_dpb_bufs(inst);
if (ret)
goto err;

- ret = venus_helper_queue_dpb_bufs(inst);
+ ret = hfi_session_continue(inst);
if (ret)
goto free_dpb_bufs;

- ret = venus_helper_process_initial_cap_bufs(inst);
+ ret = venus_helper_queue_dpb_bufs(inst);
if (ret)
goto free_dpb_bufs;

- venus_pm_load_scale(inst);
-
- inst->next_buf_last = false;
-
- ret = hfi_session_continue(inst);
+ ret = venus_helper_process_initial_cap_bufs(inst);
if (ret)
goto free_dpb_bufs;

@@ -1411,6 +1411,11 @@ static void vdec_event_change(struct venus_inst *inst,
inst->crop.height = ev_data->height;
}

+ inst->fw_min_cnt = ev_data->buf_count;
+ //overwriting this to 11 for vp9 due to fw bug
+ if(inst->hfi_codec == HFI_VIDEO_CODEC_VP9)
+ inst->fw_min_cnt = 11;
+
inst->out_width = ev_data->width;
inst->out_height = ev_data->height;

@@ -1514,6 +1519,7 @@ static void vdec_inst_init(struct venus_inst *inst)
inst->crop.top = 0;
inst->crop.width = inst->width;
inst->crop.height = inst->height;
+ inst->fw_min_cnt = 8;
inst->out_width = frame_width_min(inst);
inst->out_height = frame_height_min(inst);
inst->fps = 30;
--
2.7.4
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