gpu: drm: core: Convert printk(KERN_<LEVEL> to pr_<level>

Use a more common logging style.

Miscellanea:

o Coalesce formats and realign arguments
Signed-off-by: NJoe Perches <joe@perches.com>
[danvet: Resolve minor conflict in drm_edid.c]
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/drm_cache.c

@@ -88,7 +88,7 @@ drm_clflush_pages(struct page *pages[], unsigned long num_pages)
 	}
 
 	if (wbinvd_on_all_cpus())
-		printk(KERN_ERR "Timed out waiting for cache flush.\n");
+		pr_err("Timed out waiting for cache flush\n");
 
 #elif defined(__powerpc__)
 	unsigned long i;
@@ -105,7 +105,7 @@ drm_clflush_pages(struct page *pages[], unsigned long num_pages)
 		kunmap_atomic(page_virtual);
 	}
 #else
-	printk(KERN_ERR "Architecture has no drm_cache.c support\n");
+	pr_err("Architecture has no drm_cache.c support\n");
 	WARN_ON_ONCE(1);
 #endif
 }
@@ -134,9 +134,9 @@ drm_clflush_sg(struct sg_table *st)
 	}
 
 	if (wbinvd_on_all_cpus())
-		printk(KERN_ERR "Timed out waiting for cache flush.\n");
+		pr_err("Timed out waiting for cache flush\n");
 #else
-	printk(KERN_ERR "Architecture has no drm_cache.c support\n");
+	pr_err("Architecture has no drm_cache.c support\n");
 	WARN_ON_ONCE(1);
 #endif
 }
@@ -167,9 +167,9 @@ drm_clflush_virt_range(void *addr, unsigned long length)
 	}
 
 	if (wbinvd_on_all_cpus())
-		printk(KERN_ERR "Timed out waiting for cache flush.\n");
+		pr_err("Timed out waiting for cache flush\n");
 #else
-	printk(KERN_ERR "Architecture has no drm_cache.c support\n");
+	pr_err("Architecture has no drm_cache.c support\n");
 	WARN_ON_ONCE(1);
 #endif
 }

drivers/gpu/drm/drm_edid.c

@@ -1167,9 +1167,9 @@ bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
 bad:
 	if (print_bad_edid) {
 		if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
-			printk(KERN_NOTICE "EDID block is all zeroes\n");
+			pr_notice("EDID block is all zeroes\n");
 		} else {
-			printk(KERN_NOTICE "Raw EDID:\n");
+			pr_notice("Raw EDID:\n");
 			print_hex_dump(KERN_NOTICE,
 				       " \t", DUMP_PREFIX_NONE, 16, 1,
 				       raw_edid, EDID_LENGTH, false);

drivers/gpu/drm/drm_ioc32.c

@@ -257,8 +257,7 @@ static int compat_drm_addmap(struct file *file, unsigned int cmd,
 
 	m32.handle = (unsigned long)handle;
 	if (m32.handle != (unsigned long)handle)
-		printk_ratelimited(KERN_ERR "compat_drm_addmap truncated handle"
-				   " %p for type %d offset %x\n",
+		pr_err_ratelimited("compat_drm_addmap truncated handle %p for type %d offset %x\n",
 				   handle, m32.type, m32.offset);
 
 	if (copy_to_user(argp, &m32, sizeof(m32)))