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amd: allow to emit privileged config registers in PM4

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For SQTT.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29499>
This commit is contained in:
Samuel Pitoiset
2024-05-30 17:26:09 +02:00
committed by Marge Bot
parent b82e5c8da8
commit 0c08673656
1 changed files with 38 additions and 2 deletions
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40
src/amd/common/ac_pm4.c
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@@ -29,6 +29,24 @@ opcode_is_pairs_packed(unsigned opcode)
opcode == PKT3_SET_SH_REG_PAIRS_PACKED_N;
}
static bool
is_privileged_reg(const struct ac_pm4_state *state, unsigned reg)
{
const struct radeon_info *info = state->info;
if (info->gfx_level >= GFX10 && info->gfx_level <= GFX10_3)
return reg == R_008D04_SQ_THREAD_TRACE_BUF0_SIZE ||
reg == R_008D00_SQ_THREAD_TRACE_BUF0_BASE ||
reg == R_008D14_SQ_THREAD_TRACE_MASK ||
reg == R_008D18_SQ_THREAD_TRACE_TOKEN_MASK ||
reg == R_008D1C_SQ_THREAD_TRACE_CTRL;
if (info->gfx_level >= GFX6 && info->gfx_level <= GFX8)
return reg == R_009100_SPI_CONFIG_CNTL;
return false;
}
static unsigned
pairs_packed_opcode_to_regular(unsigned opcode)
{
@@ -292,8 +310,22 @@ ac_pm4_set_reg_custom(struct ac_pm4_state *state, unsigned reg, uint32_t val,
ac_pm4_cmd_end(state, false);
}
static void
ac_pm4_set_privileged_reg(struct ac_pm4_state *state, unsigned reg, uint32_t val)
{
assert(reg >= SI_CONFIG_REG_OFFSET && reg < SI_CONFIG_REG_END);
ac_pm4_cmd_add(state, PKT3(PKT3_COPY_DATA, 4, 0));
ac_pm4_cmd_add(state, COPY_DATA_SRC_SEL(COPY_DATA_IMM) | COPY_DATA_DST_SEL(COPY_DATA_PERF));
ac_pm4_cmd_add(state, val);
ac_pm4_cmd_add(state, 0); /* unused */
ac_pm4_cmd_add(state, reg >> 2);
ac_pm4_cmd_add(state, 0); /* unused */
}
void ac_pm4_set_reg(struct ac_pm4_state *state, unsigned reg, uint32_t val)
{
const unsigned original_reg = reg;
unsigned opcode;
if (reg >= SI_CONFIG_REG_OFFSET && reg < SI_CONFIG_REG_END) {
@@ -317,9 +349,13 @@ void ac_pm4_set_reg(struct ac_pm4_state *state, unsigned reg, uint32_t val)
return;
}
opcode = regular_opcode_to_pairs(state, opcode);
if (is_privileged_reg(state, original_reg)) {
ac_pm4_set_privileged_reg(state, original_reg, val);
} else {
opcode = regular_opcode_to_pairs(state, opcode);
ac_pm4_set_reg_custom(state, reg, val, opcode, 0);
ac_pm4_set_reg_custom(state, reg, val, opcode, 0);
}
}
void