tjh.dev / kernel
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drm/xe/xelp: Fix Wa_18022495364

Command parser relative MMIO addressing needs to be enabled when writing
to the register.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Fixes: ca33cd271ef9 ("drm/xe/xelp: Add Wa_18022495364")
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patch.msgid.link/20260420131603.70357-1-tvrtko.ursulin@igalia.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
(cherry picked from commit 5627392001802a98ed6cf8cf79a303abd00d1c0f)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

authored by

Tvrtko Ursulin and committed by
Rodrigo Vivi 0df99689 3762d6c3

+1 -1
+1 -1
drivers/gpu/drm/xe/xe_lrc.c
··· 1214 1214 if (xe_gt_WARN_ON(lrc->gt, max_len < 3)) 1215 1215 return -ENOSPC; 1216 1216 1217 - *cmd++ = MI_LOAD_REGISTER_IMM | MI_LRI_NUM_REGS(1); 1217 + *cmd++ = MI_LOAD_REGISTER_IMM | MI_LRI_LRM_CS_MMIO | MI_LRI_NUM_REGS(1); 1218 1218 *cmd++ = CS_DEBUG_MODE2(0).addr; 1219 1219 *cmd++ = REG_MASKED_FIELD_ENABLE(INSTRUCTION_STATE_CACHE_INVALIDATE); 1220 1220