drm/i915: Replace *_reference/unreference() or *_ref/unref with _get/put()

Replace instances of drm_framebuffer_reference/unreference() with
*_get/put() suffixes and drm_dev_unref with *_put() suffix
because get/put is shorter and consistent with the
kernel use of *_get/put suffixes.
Done with following coccinelle semantic patch

@@
expression ex;
@@

(
-drm_framebuffer_unreference(ex);
+drm_framebuffer_put(ex);
|
-drm_dev_unref(ex);
+drm_dev_put(ex);
|
-drm_framebuffer_reference(ex);
+drm_framebuffer_get(ex);
)

Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
[danvet: Drop the drm_dev_put change for now, to make the patch apply
with out a backmerge.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171009120643.11953-1-harshasharmaiitr@gmail.com

drivers/gpu/drm/i915/intel_display.c

@@ -2847,7 +2847,7 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
 
 		if (intel_plane_ggtt_offset(state) == plane_config->base) {
 			fb = c->primary->fb;
-			drm_framebuffer_reference(fb);
+			drm_framebuffer_get(fb);
 			goto valid_fb;
 		}
 	}
@@ -2878,7 +2878,7 @@ valid_fb:
 			  intel_crtc->pipe, PTR_ERR(intel_state->vma));
 
 		intel_state->vma = NULL;
-		drm_framebuffer_unreference(fb);
+		drm_framebuffer_put(fb);
 		return;
 	}
 
@@ -2899,7 +2899,7 @@ valid_fb:
 	if (i915_gem_object_is_tiled(obj))
 		dev_priv->preserve_bios_swizzle = true;
 
-	drm_framebuffer_reference(fb);
+	drm_framebuffer_get(fb);
 	primary->fb = primary->state->fb = fb;
 	primary->crtc = primary->state->crtc = &intel_crtc->base;
 
@@ -9846,7 +9846,7 @@ mode_fits_in_fbdev(struct drm_device *dev,
 	if (obj->base.size < mode->vdisplay * fb->pitches[0])
 		return NULL;
 
-	drm_framebuffer_reference(fb);
+	drm_framebuffer_get(fb);
 	return fb;
 #else
 	return NULL;
@@ -10027,7 +10027,7 @@ found:
 	if (ret)
 		goto fail;
 
-	drm_framebuffer_unreference(fb);
+	drm_framebuffer_put(fb);
 
 	ret = drm_atomic_set_mode_for_crtc(&crtc_state->base, mode);
 	if (ret)

drivers/gpu/drm/i915/intel_fbdev.c

@@ -189,7 +189,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
 			      " releasing it\n",
 			      intel_fb->base.width, intel_fb->base.height,
 			      sizes->fb_width, sizes->fb_height);
-		drm_framebuffer_unreference(&intel_fb->base);
+		drm_framebuffer_put(&intel_fb->base);
 		intel_fb = ifbdev->fb = NULL;
 	}
 	if (!intel_fb || WARN_ON(!intel_fb->obj)) {
@@ -627,7 +627,7 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
 	ifbdev->preferred_bpp = fb->base.format->cpp[0] * 8;
 	ifbdev->fb = fb;
 
-	drm_framebuffer_reference(&ifbdev->fb->base);
+	drm_framebuffer_get(&ifbdev->fb->base);
 
 	/* Final pass to check if any active pipes don't have fbs */
 	for_each_crtc(dev, crtc) {