drm/i915: Drop WaDDIIOTimeout:glk

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

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200128155152.21977-3-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 22aa205..345429e 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -128,16 +128,6 @@ static void glk_init_clock_gating(struct drm_i915_private *dev_priv)
         */
        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)