drm/i915: Make IS_SKYLAKE only take dev_priv

Saves 1016 bytes of .rodata strings and couple hundred of .text.

v2: 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>

drivers/gpu/drm/i915/i915_drv.h

@@ -2659,7 +2659,7 @@ struct drm_i915_cmd_table {
 #define IS_CHERRYVIEW(dev)	(INTEL_INFO(dev)->is_cherryview)
 #define IS_HASWELL(dev_priv)	((dev_priv)->info.is_haswell)
 #define IS_BROADWELL(dev_priv)	((dev_priv)->info.is_broadwell)
-#define IS_SKYLAKE(dev)	(INTEL_INFO(dev)->is_skylake)
+#define IS_SKYLAKE(dev_priv)	((dev_priv)->info.is_skylake)
 #define IS_BROXTON(dev)		(INTEL_INFO(dev)->is_broxton)
 #define IS_KABYLAKE(dev_priv)	((dev_priv)->info.is_kabylake)
 #define IS_MOBILE(dev)		(INTEL_INFO(dev)->is_mobile)

drivers/gpu/drm/i915/i915_gem_gtt.c

@@ -2135,7 +2135,7 @@ static void gtt_write_workarounds(struct drm_device *dev)
 		I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_BDW);
 	else if (IS_CHERRYVIEW(dev))
 		I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN8_L3_LRA_1_GPGPU_DEFAULT_VALUE_CHV);
-	else if (IS_SKYLAKE(dev))
+	else if (IS_SKYLAKE(dev_priv))
 		I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_SKL);
 	else if (IS_BROXTON(dev))
 		I915_WRITE(GEN8_L3_LRA_1_GPGPU, GEN9_L3_LRA_1_GPGPU_DEFAULT_VALUE_BXT);

drivers/gpu/drm/i915/intel_guc_loader.c

@@ -728,7 +728,7 @@ void intel_guc_init(struct drm_device *dev)
 
 	if (!HAS_GUC_UCODE(dev)) {
 		fw_path = NULL;
-	} else if (IS_SKYLAKE(dev)) {
+	} else if (IS_SKYLAKE(dev_priv)) {
 		fw_path = I915_SKL_GUC_UCODE;
 		guc_fw->guc_fw_major_wanted = SKL_FW_MAJOR;
 		guc_fw->guc_fw_minor_wanted = SKL_FW_MINOR;