drm/i915: Drop WaDDIIOTimeout:glk

WaDDIIOTimeout is only for A1 (pre-prod) glk steppings. Nuke it.

Signed-off-by: Ville Syrjälä <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]
Reviewed-by: Imre Deak <[e-mail]>

drivers/gpu/drm/i915/intel_pm.c

···
 	 */
 	I915_WRITE(GEN9_CLKGATE_DIS_0, I915_READ(GEN9_CLKGATE_DIS_0) |
 		   PWM1_GATING_DIS | PWM2_GATING_DIS);
-
-	/* WaDDIIOTimeout:glk */
-	if (IS_GLK_REVID(dev_priv, 0, GLK_REVID_A1)) {
-		u32 val = I915_READ(CHICKEN_MISC_2);
-		val &= ~(GLK_CL0_PWR_DOWN |
-			 GLK_CL1_PWR_DOWN |
-			 GLK_CL2_PWR_DOWN);
-		I915_WRITE(CHICKEN_MISC_2, val);
-	}
-
 }
 
 static void pnv_get_mem_freq(struct drm_i915_private *dev_priv)