drm/i915/perf: Pass i915 object to perf revision helper

In some cases, perf revision may rely on specific steppings of a
platform. To determine the platform, pass i915 object to the perf
revision helper.
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230323225901.3743681-11-umesh.nerlige.ramappa@intel.com

drivers/gpu/drm/i915/i915_getparam.c

@@ -173,7 +173,7 @@ int i915_getparam_ioctl(struct drm_device *dev, void *data,
 		value = INTEL_INFO(i915)->has_coherent_ggtt;
 		break;
 	case I915_PARAM_PERF_REVISION:
-		value = i915_perf_ioctl_version();
+		value = i915_perf_ioctl_version(i915);
 		break;
 	case I915_PARAM_OA_TIMESTAMP_FREQUENCY:
 		value = i915_perf_oa_timestamp_frequency(i915);

drivers/gpu/drm/i915/i915_perf.c

@@ -5289,7 +5289,7 @@ void i915_perf_fini(struct drm_i915_private *i915)
  *
  * This version number is used by userspace to detect available features.
  */
-int i915_perf_ioctl_version(void)
+int i915_perf_ioctl_version(struct drm_i915_private *i915)
 {
 	/*
 	 * 1: Initial version

drivers/gpu/drm/i915/i915_perf.h

@@ -22,7 +22,7 @@ int i915_perf_init(struct drm_i915_private *i915);
 void i915_perf_fini(struct drm_i915_private *i915);
 void i915_perf_register(struct drm_i915_private *i915);
 void i915_perf_unregister(struct drm_i915_private *i915);
-int i915_perf_ioctl_version(void);
+int i915_perf_ioctl_version(struct drm_i915_private *i915);
 int i915_perf_sysctl_register(void);
 void i915_perf_sysctl_unregister(void);