drm/i915: Make INTEL_PCH_TYPE & co only take dev_priv

This saves 1872 bytes of .rodata strings.

v2:
 * Rebase.
 * Add parantheses around dev_priv. (Ville Syrjala)

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: David Weinehall <david.weinehall@linux.intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Jani Nikula <jani.nikula@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 9f352aa..f5ee2ae 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -251,7 +251,7 @@
 		 * HW workaround, need to write this twice for issue
 		 * that may result in first write getting masked.
 		 */
-		if (HAS_PCH_IBX(dev)) {
+		if (HAS_PCH_IBX(dev_priv)) {
 			I915_WRITE(intel_sdvo->sdvo_reg, val);
 			POSTING_READ(intel_sdvo->sdvo_reg);
 		}
@@ -1133,7 +1133,7 @@
 	DRM_DEBUG_KMS("forcing bpc to 8 for SDVO\n");
 	pipe_config->pipe_bpp = 8*3;
 
-	if (HAS_PCH_SPLIT(encoder->base.dev))
+	if (HAS_PCH_SPLIT(to_i915(encoder->base.dev)))
 		pipe_config->has_pch_encoder = true;
 
 	/* We need to construct preferred input timings based on our
@@ -1273,7 +1273,7 @@
 		/* The real mode polarity is set by the SDVO commands, using
 		 * struct intel_sdvo_dtd. */
 		sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
-		if (!HAS_PCH_SPLIT(dev) && crtc_state->limited_color_range)
+		if (!HAS_PCH_SPLIT(dev_priv) && crtc_state->limited_color_range)
 			sdvox |= HDMI_COLOR_RANGE_16_235;
 		if (INTEL_INFO(dev)->gen < 5)
 			sdvox |= SDVO_BORDER_ENABLE;
@@ -1286,7 +1286,7 @@
 		sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
 	}
 
-	if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
+	if (INTEL_PCH_TYPE(dev_priv) >= PCH_CPT)
 		sdvox |= SDVO_PIPE_SEL_CPT(crtc->pipe);
 	else
 		sdvox |= SDVO_PIPE_SEL(crtc->pipe);
@@ -1339,7 +1339,7 @@
 	if (!(tmp & SDVO_ENABLE) && (active_outputs == 0))
 		return false;
 
-	if (HAS_PCH_CPT(dev))
+	if (HAS_PCH_CPT(dev_priv))
 		*pipe = PORT_TO_PIPE_CPT(tmp);
 	else
 		*pipe = PORT_TO_PIPE(tmp);
@@ -2997,7 +2997,7 @@
 	}
 
 	intel_encoder->compute_config = intel_sdvo_compute_config;
-	if (HAS_PCH_SPLIT(dev)) {
+	if (HAS_PCH_SPLIT(dev_priv)) {
 		intel_encoder->disable = pch_disable_sdvo;
 		intel_encoder->post_disable = pch_post_disable_sdvo;
 	} else {