drm/i915/display: add namespace to intel_prepare_reset

Rename intel_prepare_reset to intel_display_prepare_reset, so it's clear
from gt/ that we are calling out the display code.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201106225531.920641-1-lucas.demarchi@intel.com

drivers/gpu/drm/i915/display/intel_display.c

@@ -4851,7 +4851,7 @@ static bool gpu_reset_clobbers_display(struct drm_i915_private *dev_priv)
 		intel_has_gpu_reset(&dev_priv->gt));
 }
 
-void intel_prepare_reset(struct drm_i915_private *dev_priv)
+void intel_display_prepare_reset(struct drm_i915_private *dev_priv)
 {
 	struct drm_device *dev = &dev_priv->drm;
 	struct drm_modeset_acquire_ctx *ctx = &dev_priv->reset_ctx;

drivers/gpu/drm/i915/display/intel_display.h

@@ -590,7 +590,7 @@ void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe);
 int lpt_get_iclkip(struct drm_i915_private *dev_priv);
 bool intel_fuzzy_clock_check(int clock1, int clock2);
 
-void intel_prepare_reset(struct drm_i915_private *dev_priv);
+void intel_display_prepare_reset(struct drm_i915_private *dev_priv);
 void intel_finish_reset(struct drm_i915_private *dev_priv);
 void intel_dp_get_m_n(struct intel_crtc *crtc,
 		      struct intel_crtc_state *pipe_config);

drivers/gpu/drm/i915/gt/intel_reset.c

@@ -1190,7 +1190,7 @@ static void intel_gt_reset_global(struct intel_gt *gt,
 
 	/* Use a watchdog to ensure that our reset completes */
 	intel_wedge_on_timeout(&w, gt, 5 * HZ) {
-		intel_prepare_reset(gt->i915);
+		intel_display_prepare_reset(gt->i915);
 
 		/* Flush everyone using a resource about to be clobbered */
 		synchronize_srcu_expedited(&gt->reset.backoff_srcu);