drm/i915: remove unused leftover basedie step code

The basedie step initialization as well as its last users were removed
in commit 326e30e4

 ("drm/i915: Drop dead code for pvc"). Follow
through with removing the unused macros and struct member and debug
logging.
Suggested-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240822143946.2526425-1-jani.nikula@intel.com

Signed-off-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/i915_drv.h

@@ -410,7 +410,6 @@ static inline struct intel_gt *to_gt(const struct drm_i915_private *i915)
 
 #define INTEL_GRAPHICS_STEP(__i915) (RUNTIME_INFO(__i915)->step.graphics_step)
 #define INTEL_MEDIA_STEP(__i915) (RUNTIME_INFO(__i915)->step.media_step)
-#define INTEL_BASEDIE_STEP(__i915) (RUNTIME_INFO(__i915)->step.basedie_step)
 
 #define IS_GRAPHICS_STEP(__i915, since, until) \
 	(drm_WARN_ON(&(__i915)->drm, INTEL_GRAPHICS_STEP(__i915) == STEP_NONE), \
@@ -420,10 +419,6 @@ static inline struct intel_gt *to_gt(const struct drm_i915_private *i915)
 	(drm_WARN_ON(&(__i915)->drm, INTEL_MEDIA_STEP(__i915) == STEP_NONE), \
 	 INTEL_MEDIA_STEP(__i915) >= (since) && INTEL_MEDIA_STEP(__i915) < (until))
 
-#define IS_BASEDIE_STEP(__i915, since, until) \
-	(drm_WARN_ON(&(__i915)->drm, INTEL_BASEDIE_STEP(__i915) == STEP_NONE), \
-	 INTEL_BASEDIE_STEP(__i915) >= (since) && INTEL_BASEDIE_STEP(__i915) < (until))
-
 static __always_inline unsigned int
 __platform_mask_index(const struct intel_runtime_info *info,
 		      enum intel_platform p)

drivers/gpu/drm/i915/intel_device_info.c

@@ -108,7 +108,6 @@ void intel_device_info_print(const struct intel_device_info *info,
 
 	drm_printf(p, "graphics stepping: %s\n", intel_step_name(runtime->step.graphics_step));
 	drm_printf(p, "media stepping: %s\n", intel_step_name(runtime->step.media_step));
-	drm_printf(p, "base die stepping: %s\n", intel_step_name(runtime->step.basedie_step));
 
 	drm_printf(p, "gt: %d\n", info->gt);
 	drm_printf(p, "memory-regions: 0x%x\n", info->memory_regions);

drivers/gpu/drm/i915/intel_step.h

@@ -17,7 +17,6 @@ struct intel_step_info {
 	 */
 	u8 graphics_step;	/* Represents the compute tile on Xe_HPC */
 	u8 media_step;
-	u8 basedie_step;
 };
 
 #define STEP_ENUM_VAL(name)  STEP_##name,