drm/i915/ehl: Wa_22010271021

Reflect recent Bspec changes.

Bspec: 33451

Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Swathi Dhanavanthri <swathi.dhanavanthri@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200519162534.10035-1-matthew.s.atwood@intel.com

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 90a2b9e399b094b50300f5c8e753ee2ad4bf94cc..fa1e15657663e0ea24a1d5ee26a828aba1f87848 100644 (file)
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1484,6 +1484,12 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
                wa_write_or(wal,
                            GEN7_FF_THREAD_MODE,
                            GEN12_FF_TESSELATION_DOP_GATE_DISABLE);
+
+               /* Wa_22010271021:ehl */
+               if (IS_ELKHARTLAKE(i915))
+                       wa_masked_en(wal,
+                                    GEN9_CS_DEBUG_MODE1,
+                                    FF_DOP_CLOCK_GATE_DISABLE);
        }
 
        if (IS_GEN_RANGE(i915, 9, 12)) {