Merge tag 'usb-4.20-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
[sfrench/cifs-2.6.git] / drivers / gpu / drm / i915 / intel_runtime_pm.c
index 0fdabce647ab64be1751da09ed705de3889ad969..44e4491a4918994b80ddde101042368263abf8d1 100644 (file)
@@ -2748,6 +2748,12 @@ static const struct i915_power_well_desc icl_power_wells[] = {
                        .hsw.has_fuses = true,
                },
        },
+       {
+               .name = "DC off",
+               .domains = ICL_DISPLAY_DC_OFF_POWER_DOMAINS,
+               .ops = &gen9_dc_off_power_well_ops,
+               .id = DISP_PW_ID_NONE,
+       },
        {
                .name = "power well 2",
                .domains = ICL_PW_2_POWER_DOMAINS,
@@ -2759,12 +2765,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
                        .hsw.has_fuses = true,
                },
        },
-       {
-               .name = "DC off",
-               .domains = ICL_DISPLAY_DC_OFF_POWER_DOMAINS,
-               .ops = &gen9_dc_off_power_well_ops,
-               .id = DISP_PW_ID_NONE,
-       },
        {
                .name = "power well 3",
                .domains = ICL_PW_3_POWER_DOMAINS,
@@ -3176,8 +3176,7 @@ static u8 intel_dbuf_max_slices(struct drm_i915_private *dev_priv)
 void icl_dbuf_slices_update(struct drm_i915_private *dev_priv,
                            u8 req_slices)
 {
-       u8 hw_enabled_slices = dev_priv->wm.skl_hw.ddb.enabled_slices;
-       u32 val;
+       const u8 hw_enabled_slices = dev_priv->wm.skl_hw.ddb.enabled_slices;
        bool ret;
 
        if (req_slices > intel_dbuf_max_slices(dev_priv)) {
@@ -3188,7 +3187,6 @@ void icl_dbuf_slices_update(struct drm_i915_private *dev_priv,
        if (req_slices == hw_enabled_slices || req_slices == 0)
                return;
 
-       val = I915_READ(DBUF_CTL_S2);
        if (req_slices > hw_enabled_slices)
                ret = intel_dbuf_slice_set(dev_priv, DBUF_CTL_S2, true);
        else