drm/i915: WaPushConstantDereferenceHoldDisable needs to modify a masked register

So do it correctly.

Cc: Chris Wilson <[email protected]>
Cc: Mika Kuoppala <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Signed-off-by: Oscar Mateo <[email protected]>
Reviewed-by: Michał Winiarski <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Chris Wilson <[email protected]>

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 0fb012369077c82a7b41f34183b7d8fa225c8176..6e24711c106c0f308de0aab1ce390876919d170f 100644 (file)
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1101,7 +1101,7 @@ static int cnl_init_workarounds(struct intel_engine_cs *engine)
                    GAMT_ECO_ENABLE_IN_PLACE_DECOMPRESS));
 
        /* WaPushConstantDereferenceHoldDisable:cnl */
-       WA_SET_BIT(GEN7_ROW_CHICKEN2, PUSH_CONSTANT_DEREF_DISABLE);
+       WA_SET_BIT_MASKED(GEN7_ROW_CHICKEN2, PUSH_CONSTANT_DEREF_DISABLE);
 
        /* FtrEnableFastAnisoL1BankingFix: cnl */
        WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3, CNL_FAST_ANISO_L1_BANKING_FIX);