drm/i915: add trailing newlines to msgs

By at least strong convention, a print-buffer's trailing newline says
"message complete, send it".  The exception (no TNL, followed by a call
to pr_cont) proves the general rule.

Most DRM.debug calls already comport with this: 207 DRM_DEV_DEBUG,
1288 drm_dbg.  Clean up the remainders, in maintainer sized chunks.

No functional changes.
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
[Rodrigo changed subject while pushing]
Link: https://patchwork.freedesktop.org/patch/msgid/20230903184607.272198-4-jim.cromie@gmail.com

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

@@ -4173,7 +4173,7 @@ static int intel_ddi_compute_config_late(struct intel_encoder *encoder,
 	struct drm_connector *connector = conn_state->connector;
 	u8 port_sync_transcoders = 0;
 
-	drm_dbg_kms(&i915->drm, "[ENCODER:%d:%s] [CRTC:%d:%s]",
+	drm_dbg_kms(&i915->drm, "[ENCODER:%d:%s] [CRTC:%d:%s]\n",
 		    encoder->base.base.id, encoder->base.name,
 		    crtc_state->uapi.crtc->base.id, crtc_state->uapi.crtc->name);
 

drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c

@@ -1436,7 +1436,7 @@ eb_relocate_entry(struct i915_execbuffer *eb,
 	if (unlikely(reloc->write_domain & (reloc->write_domain - 1))) {
 		drm_dbg(&i915->drm, "reloc with multiple write domains: "
 			  "target %d offset %d "
-			  "read %08x write %08x",
+			  "read %08x write %08x\n",
 			  reloc->target_handle,
 			  (int) reloc->offset,
 			  reloc->read_domains,
@@ -1447,7 +1447,7 @@ eb_relocate_entry(struct i915_execbuffer *eb,
 		     & ~I915_GEM_GPU_DOMAINS)) {
 		drm_dbg(&i915->drm, "reloc with read/write non-GPU domains: "
 			  "target %d offset %d "
-			  "read %08x write %08x",
+			  "read %08x write %08x\n",
 			  reloc->target_handle,
 			  (int) reloc->offset,
 			  reloc->read_domains,