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ac/parse_ib: Add VCN decode queue parsing

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Reviewed-by: Benjamin Cheng <benjamin.cheng@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41861>
This commit is contained in:
David Rosca 2026-05-28 16:06:45 +02:00 • committed by Marge Bot
parent e32d518819
commit 2aec2e8dba
1 changed files with 92 additions and 5 deletions
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97
src/amd/common/ac_parse_ib.c
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@ -1337,6 +1337,94 @@ static void print_vcn_msg_buffer_contents(FILE *f, struct ac_ib_parser *ib, uint
}
}
static void parse_vcn_dec_ib(FILE *f, struct ac_ib_parser *ib)
{
uint32_t data0;
uint32_t data1;
uint32_t data2;
struct ac_vcn_dec_reg reg;
ac_vcn_dec_init_regs(&reg, ib->vcn_version);
while (ib->cur_dw < ib->num_dw) {
const uint32_t dw = ac_ib_get(ib);
const uint32_t idx = RDECODE_PKT0_BASE_INDEX_G(dw) << 2;
if (dw == 0x81FF) {
fprintf(f, "NOP\n");
} else if (idx == reg.data0) {
fprintf(f, "VCPU_DATA0\n");
data0 = ac_ib_get(ib);
fprintf(f, "\n");
} else if (idx == reg.data1) {
fprintf(f, "VCPU_DATA1\n");
data1 = ac_ib_get(ib);
fprintf(f, "\n");
} else if (idx == reg.data2) {
fprintf(f, "VCPU_DATA2\n");
data2 = ac_ib_get(ib);
fprintf(f, "\n");
} else if (idx == reg.cmd) {
fprintf(f, "VCPU_CMD\n");
uint32_t cmd = ac_ib_get(ib) >> 1;
const char *name = NULL;
switch (cmd) {
case RDECODE_CMD_MSG_BUFFER:
name = "MSG BUFFER";
break;
case RDECODE_CMD_DPB_BUFFER:
name = "DPB BUFFER";
break;
case RDECODE_CMD_DECODING_TARGET_BUFFER:
name = "DECODING TARGET BUFFER";
break;
case RDECODE_CMD_FEEDBACK_BUFFER:
name = "FEEDBACK BUFFER";
break;
case RDECODE_CMD_PROB_TBL_BUFFER:
name = "PROB TBL BUFFER";
break;
case RDECODE_CMD_SESSION_CONTEXT_BUFFER:
name = "SESSION CONTEXT BUFFER";
break;
case RDECODE_CMD_BITSTREAM_BUFFER:
name = "BITSTREAM BUFFER";
break;
case RDECODE_CMD_IT_SCALING_TABLE_BUFFER:
name = "IT SCALING BUFFER";
break;
case RDECODE_CMD_CONTEXT_BUFFER:
name = "CONTEXT BUFFER";
break;
case RDECODE_CMD_SUBSAMPLE:
name = "SUBSAMPLE BUFFER";
break;
case RDECODE_CMD_WRITE_MEMORY:
name = "WRITE MEMORY";
break;
default:
name = "UNKNOWN";
break;
}
uint64_t va = ((uint64_t)data1 << 32) | data0;
fprintf(f, "%s%s%s VA=0x%"PRIx64, O_COLOR_GREEN, name, O_COLOR_RESET, va);
if (cmd == RDECODE_CMD_WRITE_MEMORY)
fprintf(f, " val=%u", data2);
fprintf(f, "\n");
if (cmd == RDECODE_CMD_MSG_BUFFER)
print_vcn_msg_buffer_contents(f, ib, va);
} else if (idx == reg.cntl) {
fprintf(f, "VCPU_CNTL\n");
uint32_t cntl = ac_ib_get(ib);
if (cntl == 1)
fprintf(f, "%sDECODE%s", O_COLOR_PURPLE, O_COLOR_RESET);
fprintf(f, "\n");
} else {
fprintf(f, "UNKNOWN\n");
ac_ib_get(ib);
fprintf(f, "\n");
}
}
}
static uint64_t print_vcn_addr(FILE *f, struct ac_ib_parser *ib, bool high_first, const char *prefix_format, ...)
{
uint32_t high = ac_ib_get(ib);
@ -2424,11 +2512,10 @@ static void parse_vcn_ib(FILE *f, struct ac_ib_parser *ib)
print_vcn_unrecognized_params(f, ib, start_dw, size);
}
}
} else {
if (ib->ip_type == AMD_IP_VCN_ENC) {
parse_vcn_enc_ib(f, ib, 0);
return;
}
} else if (ib->ip_type == AMD_IP_VCN_DEC) {
parse_vcn_dec_ib(f, ib);
} else if (ib->ip_type == AMD_IP_VCN_ENC) {
parse_vcn_enc_ib(f, ib, 0);
}
}