From: Wangao Wang <wangao.wang@oss.qualcomm.com>
To: Vikash Garodia <vikash.garodia@oss.qualcomm.com>,
Dikshita Agarwal <dikshita.agarwal@oss.qualcomm.com>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Bryan O'Donoghue <bod@kernel.org>,
Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: quic_qiweil@quicinc.com,
Renjiang Han <renjiang.han@oss.qualcomm.com>,
Wangao Wang <wangao.wang@oss.qualcomm.com>,
linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 4/4] media: qcom: iris: Add hierarchical coding support for encoder
Date: Thu, 27 Nov 2025 15:44:35 +0800 [thread overview]
Message-ID: <20251127-batch2_iris_encoder_enhancements-v1-4-5ea78e2de2ae@oss.qualcomm.com> (raw)
In-Reply-To: <20251127-batch2_iris_encoder_enhancements-v1-0-5ea78e2de2ae@oss.qualcomm.com>
Add hierarchical coding support for both gen1 and gen2 encoders by enabling
the following V4L2 controls:
H264:
V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING,
V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE,
V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER
HEVC(gen2 only):
V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_TYPE,
V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER
Key changes:
Added capability IDs for hierarchical coding enable, type, and layer count.
Implemented handlers for layer type and layer count (gen1/gen2).
Defined new HFI properties and enums for hierarchical coding.
Updated platform capability tables and buffer logic to handle hierarchical
coding.
Signed-off-by: Wangao Wang <wangao.wang@oss.qualcomm.com>
---
drivers/media/platform/qcom/iris/iris_ctrls.c | 150 +++++++++++++++++++++
drivers/media/platform/qcom/iris/iris_ctrls.h | 3 +
.../platform/qcom/iris/iris_hfi_gen1_command.c | 14 ++
.../platform/qcom/iris/iris_hfi_gen1_defines.h | 2 +
.../platform/qcom/iris/iris_hfi_gen2_defines.h | 9 ++
drivers/media/platform/qcom/iris/iris_instance.h | 4 +
.../platform/qcom/iris/iris_platform_common.h | 11 ++
.../media/platform/qcom/iris/iris_platform_gen1.c | 26 ++++
.../media/platform/qcom/iris/iris_platform_gen2.c | 48 +++++++
drivers/media/platform/qcom/iris/iris_vpu_buffer.c | 21 +++
10 files changed, 288 insertions(+)
diff --git a/drivers/media/platform/qcom/iris/iris_ctrls.c b/drivers/media/platform/qcom/iris/iris_ctrls.c
index 9aec8a2006e9f8e545d05e40cb68ef0ae8502f79..99b6cfdd726258f753b3d1920144044e5aa76f29 100644
--- a/drivers/media/platform/qcom/iris/iris_ctrls.c
+++ b/drivers/media/platform/qcom/iris/iris_ctrls.c
@@ -116,6 +116,16 @@ static enum platform_inst_fw_cap_type iris_get_cap_id(u32 id)
return MARK_LTR;
case V4L2_CID_MPEG_VIDEO_B_FRAMES:
return B_FRAME;
+ case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING:
+ return LAYER_ENABLE;
+ case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE:
+ return LAYER_TYPE_H264;
+ case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_TYPE:
+ return LAYER_TYPE_HEVC;
+ case V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER:
+ return LAYER_COUNT_H264;
+ case V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER:
+ return LAYER_COUNT_HEVC;
default:
return INST_FW_CAP_MAX;
}
@@ -221,6 +231,16 @@ static u32 iris_get_v4l2_id(enum platform_inst_fw_cap_type cap_id)
return V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX;
case B_FRAME:
return V4L2_CID_MPEG_VIDEO_B_FRAMES;
+ case LAYER_ENABLE:
+ return V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING;
+ case LAYER_TYPE_H264:
+ return V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE;
+ case LAYER_TYPE_HEVC:
+ return V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_TYPE;
+ case LAYER_COUNT_H264:
+ return V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER;
+ case LAYER_COUNT_HEVC:
+ return V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER;
default:
return 0;
}
@@ -1173,6 +1193,136 @@ int iris_set_intra_period(struct iris_inst *inst, enum platform_inst_fw_cap_type
&intra_period, sizeof(intra_period));
}
+int iris_set_layer_type(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id)
+{
+ const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops;
+ u32 layer_enable = inst->fw_caps[LAYER_ENABLE].value;
+ u32 hfi_id = inst->fw_caps[cap_id].hfi_id;
+ u32 layer_type;
+
+ if (inst->hfi_rc_type == HFI_RATE_CONTROL_CQ ||
+ inst->hfi_rc_type == HFI_RATE_CONTROL_OFF)
+ return -EINVAL;
+
+ if (inst->codec == V4L2_PIX_FMT_H264) {
+ if (!layer_enable || !inst->fw_caps[LAYER_COUNT_H264].value)
+ return -EINVAL;
+
+ if (inst->fw_caps[LAYER_TYPE_H264].value ==
+ V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P) {
+ if (inst->hfi_rc_type == HFI_RC_VBR_CFR)
+ layer_type = HFI_HIER_P_HYBRID_LTR;
+ else
+ layer_type = HFI_HIER_P_SLIDING_WINDOW;
+ } else if (inst->fw_caps[LAYER_TYPE_HEVC].value ==
+ V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_B) {
+ if (inst->hfi_rc_type == HFI_RC_VBR_CFR)
+ layer_type = HFI_HIER_B;
+ else
+ return -EINVAL;
+ } else {
+ return -EINVAL;
+ }
+ } else if (inst->codec == V4L2_PIX_FMT_HEVC) {
+ if (!inst->fw_caps[LAYER_COUNT_HEVC].value)
+ return -EINVAL;
+
+ if (inst->fw_caps[LAYER_TYPE_HEVC].value ==
+ V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_P) {
+ layer_type = HFI_HIER_P_SLIDING_WINDOW;
+ } else if (inst->fw_caps[LAYER_TYPE_HEVC].value ==
+ V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_B) {
+ if (inst->hfi_rc_type == HFI_RC_VBR_CFR)
+ layer_type = HFI_HIER_B;
+ else
+ return -EINVAL;
+ } else {
+ return -EINVAL;
+ }
+ }
+
+ inst->hfi_layer_type = layer_type;
+
+ return hfi_ops->session_set_property(inst, hfi_id,
+ HFI_HOST_FLAGS_NONE,
+ iris_get_port_info(inst, cap_id),
+ HFI_PAYLOAD_U32_ENUM,
+ &layer_type, sizeof(u32));
+}
+
+int iris_set_layer_count_gen1(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id)
+{
+ const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops;
+ struct vb2_queue *sq = v4l2_m2m_get_src_vq(inst->m2m_ctx);
+ struct vb2_queue *dq = v4l2_m2m_get_dst_vq(inst->m2m_ctx);
+ u32 layer_enable = inst->fw_caps[LAYER_ENABLE].value;
+ u32 layer_count = inst->fw_caps[cap_id].value;
+ u32 hfi_id;
+
+ if (!layer_enable || !layer_count)
+ return -EINVAL;
+
+ inst->hfi_layer_count = layer_count;
+
+ if (!vb2_is_streaming(sq) && !vb2_is_streaming(dq)) {
+ hfi_id = HFI_PROPERTY_PARAM_VENC_HIER_P_MAX_NUM_ENH_LAYER;
+ hfi_ops->session_set_property(inst, hfi_id,
+ HFI_HOST_FLAGS_NONE,
+ iris_get_port_info(inst, cap_id),
+ HFI_PAYLOAD_U32,
+ &layer_count, sizeof(u32));
+ }
+
+ hfi_id = inst->fw_caps[cap_id].hfi_id;
+ return hfi_ops->session_set_property(inst, hfi_id,
+ HFI_HOST_FLAGS_NONE,
+ iris_get_port_info(inst, cap_id),
+ HFI_PAYLOAD_U32,
+ &layer_count, sizeof(u32));
+}
+
+int iris_set_layer_count_gen2(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id)
+{
+ const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops;
+ u32 hfi_id = inst->fw_caps[cap_id].hfi_id;
+ u32 layer_type = inst->hfi_layer_type;
+ u32 layer_count, layer_count_max;
+
+ layer_count = (inst->codec == V4L2_PIX_FMT_H264) ?
+ inst->fw_caps[LAYER_COUNT_H264].value :
+ inst->fw_caps[LAYER_COUNT_HEVC].value;
+
+ if (!layer_type || !layer_count)
+ return -EINVAL;
+
+ if (layer_type == HFI_HIER_B) {
+ layer_count_max = MAX_LAYER_HB;
+ } else if (layer_type == HFI_HIER_P_HYBRID_LTR) {
+ layer_count_max = MAX_AVC_LAYER_HP_HYBRID_LTR;
+ } else if (layer_type == HFI_HIER_P_SLIDING_WINDOW) {
+ if (inst->codec == V4L2_PIX_FMT_H264) {
+ layer_count_max = MAX_AVC_LAYER_HP_SLIDING_WINDOW;
+ } else {
+ if (inst->hfi_rc_type == HFI_RC_VBR_CFR)
+ layer_count_max = MAX_HEVC_VBR_LAYER_HP_SLIDING_WINDOW;
+ else
+ layer_count_max = MAX_HEVC_LAYER_HP_SLIDING_WINDOW;
+ }
+ }
+
+ if (layer_count > layer_count_max)
+ layer_count = layer_count_max;
+
+ layer_count += 1; /* base layer */
+ inst->hfi_layer_count = layer_count;
+
+ return hfi_ops->session_set_property(inst, hfi_id,
+ HFI_HOST_FLAGS_NONE,
+ iris_get_port_info(inst, cap_id),
+ HFI_PAYLOAD_U32,
+ &layer_count, sizeof(u32));
+}
+
int iris_set_properties(struct iris_inst *inst, u32 plane)
{
const struct iris_hfi_command_ops *hfi_ops = inst->core->hfi_ops;
diff --git a/drivers/media/platform/qcom/iris/iris_ctrls.h b/drivers/media/platform/qcom/iris/iris_ctrls.h
index 609258c81517b71523b682ca994786cdd020b07f..d7db8749273c73348e7dc1c344d720a97d571e24 100644
--- a/drivers/media/platform/qcom/iris/iris_ctrls.h
+++ b/drivers/media/platform/qcom/iris/iris_ctrls.h
@@ -42,6 +42,9 @@ int iris_set_use_ltr(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_
int iris_set_mark_ltr(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id);
int iris_set_use_and_mark_ltr(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id);
int iris_set_intra_period(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id);
+int iris_set_layer_type(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id);
+int iris_set_layer_count_gen1(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id);
+int iris_set_layer_count_gen2(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id);
int iris_set_properties(struct iris_inst *inst, u32 plane);
#endif
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
index fe51eccb903be146e83a4fb2faf4b4092875dea4..1e001e2639a1d913c81ed643f8071cd561767651 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
@@ -726,6 +726,20 @@ iris_hfi_gen1_packet_session_set_property(struct hfi_session_set_property_pkt *p
packet->shdr.hdr.size += sizeof(u32) + sizeof(*intra_period);
break;
}
+ case HFI_PROPERTY_PARAM_VENC_HIER_P_MAX_NUM_ENH_LAYER: {
+ u32 *in = pdata;
+
+ packet->data[1] = *in;
+ packet->shdr.hdr.size += sizeof(u32) * 2;
+ break;
+ }
+ case HFI_PROPERTY_CONFIG_VENC_HIER_P_ENH_LAYER: {
+ u32 *in = pdata;
+
+ packet->data[1] = *in;
+ packet->shdr.hdr.size += sizeof(u32) * 2;
+ break;
+ }
default:
return -EINVAL;
}
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h b/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h
index 476177add1ec860d46d85960dd09617ad347f60a..7ecfd23a925c83d82912c1ab4ca148e5cc35e142 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h
@@ -154,11 +154,13 @@
#define HFI_PROPERTY_PARAM_VENC_LTRMODE 0x200501c
#define HFI_PROPERTY_PARAM_VENC_MAX_NUM_B_FRAMES 0x2005020
+#define HFI_PROPERTY_PARAM_VENC_HIER_P_MAX_NUM_ENH_LAYER 0x2005026
#define HFI_PROPERTY_CONFIG_VENC_TARGET_BITRATE 0x2006001
#define HFI_PROPERTY_CONFIG_VENC_INTRA_PERIOD 0x2006003
#define HFI_PROPERTY_CONFIG_VENC_MARKLTRFRAME 0x2006009
#define HFI_PROPERTY_CONFIG_VENC_USELTRFRAME 0x200600a
#define HFI_PROPERTY_CONFIG_VENC_SYNC_FRAME_SEQUENCE_HEADER 0x2006008
+#define HFI_PROPERTY_CONFIG_VENC_HIER_P_ENH_LAYER 0x200600b
struct hfi_pkt_hdr {
u32 size;
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h b/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h
index 2b8c87c25a066ead30bb1b134bdc3fe1e84e8f05..3a689d3f53b4e8750a33e8bc78a8df7a023d7a56 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h
@@ -74,6 +74,15 @@ enum hfi_rate_control {
#define HFI_PROP_LTR_COUNT 0x03000134
#define HFI_PROP_LTR_MARK 0x03000135
#define HFI_PROP_LTR_USE 0x03000136
+
+enum hfi_layer_encoding_type {
+ HFI_HIER_P_SLIDING_WINDOW = 0x1,
+ HFI_HIER_P_HYBRID_LTR = 0x2,
+ HFI_HIER_B = 0x3,
+};
+
+#define HFI_PROP_LAYER_ENCODING_TYPE 0x03000138
+#define HFI_PROP_LAYER_COUNT 0x03000139
#define HFI_PROP_TOTAL_BITRATE 0x0300013b
#define HFI_PROP_MAX_GOP_FRAMES 0x03000146
#define HFI_PROP_MAX_B_FRAMES 0x03000147
diff --git a/drivers/media/platform/qcom/iris/iris_instance.h b/drivers/media/platform/qcom/iris/iris_instance.h
index 0a0d4ace0bb6bee6ab11bd47fddb27432cd524f7..f4aa904f94ebb3c87bcdeeb6c3732b616d030b96 100644
--- a/drivers/media/platform/qcom/iris/iris_instance.h
+++ b/drivers/media/platform/qcom/iris/iris_instance.h
@@ -73,6 +73,8 @@ struct iris_fmt {
* @enc_raw_height: source image height for encoder instance
* @enc_scale_width: scale width for encoder instance
* @enc_scale_height: scale height for encoder instance
+ * @hfi_layer_type: hierarchical coding layer type
+ * @hfi_layer_count: hierarchical coding layer count
*/
struct iris_inst {
@@ -115,6 +117,8 @@ struct iris_inst {
u32 enc_raw_height;
u32 enc_scale_width;
u32 enc_scale_height;
+ u32 hfi_layer_type;
+ u32 hfi_layer_count;
};
#endif
diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h
index 34deb32eb5be0899fee779ff99b3f4b8bd91529f..db80617dbdc865c5a10708968f34987972d935f7 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_common.h
+++ b/drivers/media/platform/qcom/iris/iris_platform_common.h
@@ -32,6 +32,12 @@ struct iris_inst;
#define INVALID_DEFAULT_MARK_OR_USE_LTR -1
#define MAX_LTR_FRAME_COUNT_GEN1 4
#define MAX_LTR_FRAME_COUNT_GEN2 2
+#define MAX_LAYER_HB 3
+#define MAX_AVC_LAYER_HP_HYBRID_LTR 5
+#define MAX_AVC_LAYER_HP_SLIDING_WINDOW 3
+#define MAX_HEVC_LAYER_HP_SLIDING_WINDOW 3
+#define MAX_HEVC_VBR_LAYER_HP_SLIDING_WINDOW 5
+#define MAX_HIER_CODING_LAYER_GEN1 6
enum stage_type {
STAGE_1 = 1,
@@ -156,6 +162,11 @@ enum platform_inst_fw_cap_type {
MARK_LTR,
B_FRAME,
INTRA_PERIOD,
+ LAYER_ENABLE,
+ LAYER_TYPE_H264,
+ LAYER_TYPE_HEVC,
+ LAYER_COUNT_H264,
+ LAYER_COUNT_HEVC,
INST_FW_CAP_MAX,
};
diff --git a/drivers/media/platform/qcom/iris/iris_platform_gen1.c b/drivers/media/platform/qcom/iris/iris_platform_gen1.c
index b76f0ecaa721f3469bc63b7ff4ce5fc6ea19a8e1..ba5d0ddb87f4b3dc21f81027e7011a6acda3854d 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_gen1.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_gen1.c
@@ -296,6 +296,32 @@ static const struct platform_inst_fw_cap inst_fw_cap_sm8250_enc[] = {
.flags = CAP_FLAG_OUTPUT_PORT,
.set = iris_set_intra_period,
},
+ {
+ .cap_id = LAYER_ENABLE,
+ .min = 0,
+ .max = 1,
+ .step_or_mask = 1,
+ .value = 0,
+ .flags = CAP_FLAG_OUTPUT_PORT,
+ },
+ {
+ .cap_id = LAYER_TYPE_H264,
+ .min = V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P,
+ .max = V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P,
+ .step_or_mask = BIT(V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P),
+ .value = V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P,
+ .flags = CAP_FLAG_OUTPUT_PORT | CAP_FLAG_MENU,
+ },
+ {
+ .cap_id = LAYER_COUNT_H264,
+ .min = 0,
+ .max = MAX_HIER_CODING_LAYER_GEN1,
+ .step_or_mask = 1,
+ .value = 0,
+ .hfi_id = HFI_PROPERTY_CONFIG_VENC_HIER_P_ENH_LAYER,
+ .flags = CAP_FLAG_OUTPUT_PORT,
+ .set = iris_set_layer_count_gen1,
+ },
};
static struct platform_inst_caps platform_inst_cap_sm8250 = {
diff --git a/drivers/media/platform/qcom/iris/iris_platform_gen2.c b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
index 7c9a71755685d195a7adc8064523e1c33a572089..e9c4a62a891c34bc0969c0fd4ea33a9d9b11c93d 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_gen2.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
@@ -677,6 +677,54 @@ static const struct platform_inst_fw_cap inst_fw_cap_sm8550_enc[] = {
.flags = CAP_FLAG_OUTPUT_PORT,
.set = iris_set_u32,
},
+ {
+ .cap_id = LAYER_ENABLE,
+ .min = 0,
+ .max = 1,
+ .step_or_mask = 1,
+ .value = 0,
+ .flags = CAP_FLAG_OUTPUT_PORT,
+ },
+ {
+ .cap_id = LAYER_TYPE_H264,
+ .min = V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_B,
+ .max = V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P,
+ .step_or_mask = BIT(V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_B) |
+ BIT(V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P),
+ .value = V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P,
+ .hfi_id = HFI_PROP_LAYER_ENCODING_TYPE,
+ .flags = CAP_FLAG_OUTPUT_PORT | CAP_FLAG_MENU,
+ },
+ {
+ .cap_id = LAYER_TYPE_HEVC,
+ .min = V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_B,
+ .max = V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_P,
+ .step_or_mask = BIT(V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_B) |
+ BIT(V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_P),
+ .value = V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_P,
+ .hfi_id = HFI_PROP_LAYER_ENCODING_TYPE,
+ .flags = CAP_FLAG_OUTPUT_PORT | CAP_FLAG_MENU,
+ .set = iris_set_layer_type,
+ },
+ {
+ .cap_id = LAYER_COUNT_H264,
+ .min = 0,
+ .max = 5,
+ .step_or_mask = 1,
+ .value = 0,
+ .hfi_id = HFI_PROP_LAYER_COUNT,
+ .flags = CAP_FLAG_OUTPUT_PORT | CAP_FLAG_DYNAMIC_ALLOWED,
+ },
+ {
+ .cap_id = LAYER_COUNT_HEVC,
+ .min = 0,
+ .max = 5,
+ .step_or_mask = 1,
+ .value = 0,
+ .hfi_id = HFI_PROP_LAYER_COUNT,
+ .flags = CAP_FLAG_OUTPUT_PORT | CAP_FLAG_DYNAMIC_ALLOWED,
+ .set = iris_set_layer_count_gen2,
+ }
};
static struct platform_inst_caps platform_inst_cap_sm8550 = {
diff --git a/drivers/media/platform/qcom/iris/iris_vpu_buffer.c b/drivers/media/platform/qcom/iris/iris_vpu_buffer.c
index 4a854a4dab322eabb16a52b1cf816c18d78acc81..dfdffcf08b6837936b7be1f1a1f109d2bb8203c6 100644
--- a/drivers/media/platform/qcom/iris/iris_vpu_buffer.c
+++ b/drivers/media/platform/qcom/iris/iris_vpu_buffer.c
@@ -670,6 +670,8 @@ static u32 iris_vpu_enc_bin_size(struct iris_inst *inst)
static inline u32 hfi_buffer_get_recon_count(struct iris_inst *inst)
{
+ u32 layer_count = inst->hfi_layer_count;
+ u32 layer_type = inst->hfi_layer_type;
u32 bframe_count, ltr_count;
u32 num_ref = 1;
@@ -679,9 +681,28 @@ static inline u32 hfi_buffer_get_recon_count(struct iris_inst *inst)
if (bframe_count)
num_ref = 2;
+ if (layer_type == HFI_HIER_P_HYBRID_LTR)
+ num_ref = (layer_count + 1) >> 1;
+
+ if (layer_type == HFI_HIER_P_SLIDING_WINDOW) {
+ if (inst->codec == V4L2_PIX_FMT_HEVC)
+ num_ref = (layer_count + 1) >> 1;
+ else if (inst->codec == V4L2_PIX_FMT_H264 && layer_count < 4)
+ num_ref = (layer_count - 1);
+ else
+ num_ref = layer_count;
+ }
+
if (ltr_count)
num_ref = num_ref + ltr_count;
+ if (layer_type == HFI_HIER_B) {
+ if (inst->codec == V4L2_PIX_FMT_HEVC)
+ num_ref = layer_count;
+ else
+ num_ref = (1 << (layer_count - 2)) + 1;
+ }
+
return num_ref + 1;
}
--
2.43.0
next prev parent reply other threads:[~2025-11-27 7:45 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-27 7:44 [PATCH 0/4] media: qcom: iris: encoder feature enhancements batch2 Wangao Wang
2025-11-27 7:44 ` [PATCH 1/4] media: qcom: iris: Add intra refresh support for gen1 encoder Wangao Wang
2025-11-27 10:35 ` Bryan O'Donoghue
2025-12-02 6:35 ` Wangao Wang
2025-12-03 4:28 ` Dikshita Agarwal
2025-12-04 2:21 ` Wangao Wang
2025-11-27 7:44 ` [PATCH 2/4] media: qcom: iris: Add Long-Term Reference support for encoder Wangao Wang
2025-11-27 10:41 ` Bryan O'Donoghue
2025-12-02 6:38 ` Wangao Wang
2025-12-03 6:29 ` Dikshita Agarwal
2025-12-03 6:56 ` Dikshita Agarwal
2025-11-27 7:44 ` [PATCH 3/4] media: qcom: iris: Add B frames " Wangao Wang
2025-11-27 10:43 ` Bryan O'Donoghue
2025-12-02 6:46 ` Wangao Wang
2025-12-03 6:55 ` Dikshita Agarwal
2025-11-27 7:44 ` Wangao Wang [this message]
2025-11-27 10:50 ` [PATCH 4/4] media: qcom: iris: Add hierarchical coding " Bryan O'Donoghue
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