drm/i915: Throw out BUGs from DPLL/PCH functions

These BUGs don't serve any purpose IMO. Throw them out.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1458052809-23426-2-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e6b5ee5..cc607ac 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1617,9 +1617,6 @@ static void i9xx_enable_pll(struct intel_crtc *crtc)
 
        assert_pipe_disabled(dev_priv, crtc->pipe);
 
-       /* No really, not for ILK+ */
-       BUG_ON(INTEL_INFO(dev)->gen >= 5);
-
        /* PLL is protected by panel, make sure we can write it */
        if (IS_MOBILE(dev) && !IS_I830(dev))
                assert_panel_unlocked(dev_priv, crtc->pipe);
@@ -1795,9 +1792,6 @@ static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv,
        i915_reg_t reg;
        uint32_t val, pipeconf_val;
 
-       /* PCH only available on ILK+ */
-       BUG_ON(!HAS_PCH_SPLIT(dev));
-
        /* Make sure PCH DPLL is enabled */
        assert_shared_dpll_enabled(dev_priv, intel_crtc->config->shared_dpll);
 
@@ -1851,9 +1845,6 @@ static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv,
 {
        u32 val, pipeconf_val;
 
-       /* PCH only available on ILK+ */
-       BUG_ON(!HAS_PCH_SPLIT(dev_priv->dev));
-
        /* FDI must be feeding us bits for PCH ports */
        assert_fdi_tx_enabled(dev_priv, (enum pipe) cpu_transcoder);
        assert_fdi_rx_enabled(dev_priv, TRANSCODER_A);