drm/i915/chv: remove pre-production hardware workarounds

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
[danvet: Appease gcc and remove the unused variable.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 60d120c472abd62eaea6f8020456717aa4141531..3f9b3c0782232dc528c147a36894aa75abcba80e 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5061,32 +5061,27 @@ static int cherryview_rps_max_freq(struct drm_i915_private *dev_priv)
        struct drm_device *dev = dev_priv->dev;
        u32 val, rp0;
 
-       if (dev->pdev->revision >= 0x20) {
-               val = vlv_punit_read(dev_priv, FB_GFX_FMAX_AT_VMAX_FUSE);
+       val = vlv_punit_read(dev_priv, FB_GFX_FMAX_AT_VMAX_FUSE);
 
-               switch (INTEL_INFO(dev)->eu_total) {
-               case 8:
-                               /* (2 * 4) config */
-                               rp0 = (val >> FB_GFX_FMAX_AT_VMAX_2SS4EU_FUSE_SHIFT);
-                               break;
-               case 12:
-                               /* (2 * 6) config */
-                               rp0 = (val >> FB_GFX_FMAX_AT_VMAX_2SS6EU_FUSE_SHIFT);
-                               break;
-               case 16:
-                               /* (2 * 8) config */
-               default:
-                               /* Setting (2 * 8) Min RP0 for any other combination */
-                               rp0 = (val >> FB_GFX_FMAX_AT_VMAX_2SS8EU_FUSE_SHIFT);
-                               break;
-               }
-               rp0 = (rp0 & FB_GFX_FREQ_FUSE_MASK);
-       } else {
-               /* For pre-production hardware */
-               val = vlv_punit_read(dev_priv, PUNIT_GPU_STATUS_REG);
-               rp0 = (val >> PUNIT_GPU_STATUS_MAX_FREQ_SHIFT) &
-                      PUNIT_GPU_STATUS_MAX_FREQ_MASK;
+       switch (INTEL_INFO(dev)->eu_total) {
+       case 8:
+               /* (2 * 4) config */
+               rp0 = (val >> FB_GFX_FMAX_AT_VMAX_2SS4EU_FUSE_SHIFT);
+               break;
+       case 12:
+               /* (2 * 6) config */
+               rp0 = (val >> FB_GFX_FMAX_AT_VMAX_2SS6EU_FUSE_SHIFT);
+               break;
+       case 16:
+               /* (2 * 8) config */
+       default:
+               /* Setting (2 * 8) Min RP0 for any other combination */
+               rp0 = (val >> FB_GFX_FMAX_AT_VMAX_2SS8EU_FUSE_SHIFT);
+               break;
        }
+
+       rp0 = (rp0 & FB_GFX_FREQ_FUSE_MASK);
+
        return rp0;
 }
 
@@ -5102,18 +5097,11 @@ static int cherryview_rps_rpe_freq(struct drm_i915_private *dev_priv)
 
 static int cherryview_rps_guar_freq(struct drm_i915_private *dev_priv)
 {
-       struct drm_device *dev = dev_priv->dev;
        u32 val, rp1;
 
-       if (dev->pdev->revision >= 0x20) {
-               val = vlv_punit_read(dev_priv, FB_GFX_FMAX_AT_VMAX_FUSE);
-               rp1 = (val & FB_GFX_FREQ_FUSE_MASK);
-       } else {
-               /* For pre-production hardware */
-               val = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS);
-               rp1 = ((val >> PUNIT_GPU_STATUS_MAX_FREQ_SHIFT) &
-                      PUNIT_GPU_STATUS_MAX_FREQ_MASK);
-       }
+       val = vlv_punit_read(dev_priv, FB_GFX_FMAX_AT_VMAX_FUSE);
+       rp1 = (val & FB_GFX_FREQ_FUSE_MASK);
+
        return rp1;
 }