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drm/xe: Add command MI_LOAD_REGISTER_MEM

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We will need this shortly during context state preparation.

Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20231214185955.1791-2-michal.wajdeczko@intel.com
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
This commit is contained in:
Michal Wajdeczko 2023-12-18 17:53:35 +01:00 committed by Rodrigo Vivi
parent 4e124151fc
commit 6901f73269
2 changed files with 17 additions and 0 deletions
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3
drivers/gpu/drm/xe/instructions/xe_mi_commands.h
View File

@ -56,6 +56,9 @@
#define MI_FLUSH_IMM_QW REG_FIELD_PREP(MI_FLUSH_DW_LEN_DW, 5 - 2)
#define MI_FLUSH_DW_USE_GTT REG_BIT(2)
#define MI_LOAD_REGISTER_MEM (__MI_INSTR(0x29) | XE_INSTR_NUM_DW(4))
#define MI_LRM_USE_GGTT REG_BIT(22)
#define MI_BATCH_BUFFER_START __MI_INSTR(0x31)
#endif

14
drivers/gpu/drm/xe/xe_lrc.c
View File

@ -964,6 +964,20 @@ static int dump_mi_command(struct drm_printer *p,
drm_printf(p, " - %#6x = %#010x\n", dw[i], dw[i + 1]);
return numdw;
case MI_LOAD_REGISTER_MEM & MI_OPCODE:
drm_printf(p, "[%#010x] MI_LOAD_REGISTER_MEM: %s%s\n",
inst_header,
dw[0] & MI_LRI_LRM_CS_MMIO ? "CS_MMIO " : "",
dw[0] & MI_LRM_USE_GGTT ? "USE_GGTT " : "");
if (numdw == 4)
drm_printf(p, " - %#6x = %#010llx\n",
dw[1], ((u64)(dw[3]) << 32 | (u64)(dw[2])));
else
drm_printf(p, " - %*ph (%s)\n",
(int)sizeof(u32) * (numdw - 1), dw + 1,
numdw < 4 ? "truncated" : "malformed");
return numdw;
case MI_FORCE_WAKEUP:
drm_printf(p, "[%#010x] MI_FORCE_WAKEUP\n", inst_header);
return numdw;