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ac/cmdbuf: Add ac_emit_video_write_timestamp

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Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Benjamin Cheng <benjamin.cheng@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41744>
This commit is contained in:
David Rosca 2026-05-21 16:07:44 +02:00 • committed by Marge Bot
parent adad1a7318
commit 581bf2e3b0
5 changed files with 22 additions and 0 deletions
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11
src/amd/common/ac_cmdbuf_video.c
View file

@ -55,3 +55,14 @@ ac_emit_video_write_memory(struct ac_cmdbuf *cs, const struct radeon_info *info,
write_memory->data = value;
}
}
void
ac_emit_video_write_timestamp(struct ac_cmdbuf *cs, enum amd_ip_type ip_type, uint64_t va)
{
if (ip_type == AMD_IP_VCN_ENC) {
struct rvcn_cmn_engine_op_timestamp *timestamp =
vcn_common_cmd(cs, RADEON_VCN_IB_COMMON_OP_TIMESTAMP, sizeof(struct rvcn_cmn_engine_op_timestamp));
timestamp->timestamp_addr_lo = va & 0xffffffff;
timestamp->timestamp_addr_hi = va >> 32;
}
}

3
src/amd/common/ac_cmdbuf_video.h
View file

@ -22,6 +22,9 @@ void
ac_emit_video_write_memory(struct ac_cmdbuf *cs, const struct radeon_info *info,
enum amd_ip_type ip_type, uint64_t va, uint64_t value);
void
ac_emit_video_write_timestamp(struct ac_cmdbuf *cs, enum amd_ip_type ip_type, uint64_t va);
#ifdef __cplusplus
}
#endif

6
src/amd/common/ac_vcn.h
View file

@ -36,6 +36,7 @@
#define RADEON_VCN_SIGNATURE_SIZE (0x00000010)
#define RADEON_VCN_IB_COMMON_OP_WRITEMEMORY (0x33000001)
#define RADEON_VCN_IB_COMMON_OP_TIMESTAMP (0x31000001)
#define RADEON_VCN_IB_COMMON_OP_RESOLVEINPUTPARAMLAYOUT (0x31000007)
#define RADEON_VCN_RESOLVE_INPUT_PARAM_LAYOUT_TYPE_QPMAP_INT8 1
@ -52,6 +53,11 @@ struct rvcn_cmn_engine_ib_package {
unsigned int package_type;
};
struct rvcn_cmn_engine_op_timestamp {
unsigned int timestamp_addr_lo; /* Low address of Timestamp */
unsigned int timestamp_addr_hi; /* High address of Timestamp */
};
struct rvcn_cmn_engine_op_writememory {
unsigned int dest_addr_lo; // Low address of memory
unsigned int dest_addr_hi; // High address of memory

1
src/amd/common/ac_video.c
View file

@ -615,6 +615,7 @@ ac_fill_video_info(struct radeon_info *info, struct ac_drm_device *dev)
cap->dec = info->vcn_ip_version >= VCN_4_0_0 ? 1 : 0;
cap->enc = vcn_dec_only(info) ? 0 : 1;
cap->write_memory = write_memory_supported(info);
cap->timestamp = info->vcn_ip_version >= VCN_2_0_0;
if (cap->dec)
vcn_dec_caps(info);
if (cap->enc)

1
src/amd/common/ac_video.h
View file

@ -219,6 +219,7 @@ struct ac_video_queue_caps {
uint32_t supported;
};
enum ac_video_write_memory_support write_memory;
bool timestamp;
};
struct ac_video_caps {