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drm/i915/gt: Add Wa_14019789679

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Wa_14019789679 implementation for MTL, ARL and DG2.

v2: Corrected condition

v3:
   - Fix indentation (Jani Nikula)
   - dword size should be 0x1 and
     initialize dword to 0 instead of MI_NOOP (Tejas)
   - Use IS_GFX_GT_IP_RANGE() (Tejas)

v4:
   - 3DSTATE_MESH_CONTROL instruction is 3 dwords long
     Align with dword size. (Roper, Matthew D)
   - Add RCS engine check. (Tejas)

Bspec: 47083

Signed-off-by: Nitin Gote <nitin.r.gote@intel.com>
Reviewed-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240731155614.3460645-1-nitin.r.gote@intel.com
This commit is contained in:
Nitin Gote 2024-07-31 21:26:14 +05:30 committed by Andi Shyti
parent e4a0251d36
commit 843f10ce65
2 changed files with 16 additions and 1 deletions
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1
drivers/gpu/drm/i915/gt/intel_gpu_commands.h
View File

@ -220,6 +220,7 @@
#define GFX_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
#define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
#define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2)
#define CMD_3DSTATE_MESH_CONTROL ((0x3 << 29) | (0x3 << 27) | (0x0 << 24) | (0x77 << 16) | (0x3))
#define XY_CTRL_SURF_INSTR_SIZE 5
#define MI_FLUSH_DW_SIZE 3

16
drivers/gpu/drm/i915/gt/intel_workarounds.c
View File

@ -974,7 +974,12 @@ int intel_engine_emit_ctx_wa(struct i915_request *rq)
if (ret)
return ret;
cs = intel_ring_begin(rq, (wal->count * 2 + 2));
if ((IS_GFX_GT_IP_RANGE(rq->engine->gt, IP_VER(12, 70), IP_VER(12, 74)) ||
IS_DG2(rq->i915)) && rq->engine->class == RENDER_CLASS)
cs = intel_ring_begin(rq, (wal->count * 2 + 6));
else
cs = intel_ring_begin(rq, (wal->count * 2 + 2));
if (IS_ERR(cs))
return PTR_ERR(cs);
@ -1004,6 +1009,15 @@ int intel_engine_emit_ctx_wa(struct i915_request *rq)
}
*cs++ = MI_NOOP;
/* Wa_14019789679 */
if ((IS_GFX_GT_IP_RANGE(rq->engine->gt, IP_VER(12, 70), IP_VER(12, 74)) ||
IS_DG2(rq->i915)) && rq->engine->class == RENDER_CLASS) {
*cs++ = CMD_3DSTATE_MESH_CONTROL;
*cs++ = 0;
*cs++ = 0;
*cs++ = MI_NOOP;
}
intel_uncore_forcewake_put__locked(uncore, fw);
spin_unlock(&uncore->lock);
intel_gt_mcr_unlock(wal->gt, flags);