drm/i915/perf: remove redundant power configuration register override

The caller of i915_oa_init_reg_state() already sets this.
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200317132222.2638719-2-lionel.g.landwerlin@intel.com

drivers/gpu/drm/i915/i915_perf.c

@@ -2098,9 +2098,6 @@ gen8_update_reg_state_unlocked(const struct intel_context *ce,
 	for (i = 0; i < ARRAY_SIZE(flex_regs); i++)
 		reg_state[ctx_flexeu0 + i * 2 + 1] =
 			oa_config_flex_reg(stream->oa_config, flex_regs[i]);
-
-	reg_state[CTX_R_PWR_CLK_STATE] =
-		intel_sseu_make_rpcs(ce->engine->i915, &ce->sseu);
 }
 
 struct flex {
@@ -2906,10 +2903,6 @@ void i915_oa_init_reg_state(const struct intel_context *ce,
 
 	/* perf.exclusive_stream serialised by lrc_configure_all_contexts() */
 	stream = READ_ONCE(engine->i915->perf.exclusive_stream);
-	/*
-	 * For gen12, only CTX_R_PWR_CLK_STATE needs update, but the caller
-	 * is already doing that, so nothing to be done for gen12 here.
-	 */
 	if (stream && INTEL_GEN(stream->perf->i915) < 12)
 		gen8_update_reg_state_unlocked(ce, stream);
 }