gpu: drm: amd/radeon: Convert printk(KERN_<LEVEL> to pr_<level>

Use a more common logging style.

Miscellanea:

o Coalesce formats and realign arguments
o Neaten a few macros now using pr_<level>

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c
index 1b50e6c..d1444aa 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.c
+++ b/drivers/gpu/drm/amd/amdgpu/atom.c
@@ -166,7 +166,7 @@ static uint32_t atom_iio_execute(struct atom_context *ctx, int base,
 		case ATOM_IIO_END:
 			return temp;
 		default:
-			printk(KERN_INFO "Unknown IIO opcode.\n");
+			pr_info("Unknown IIO opcode\n");
 			return 0;
 		}
 }
@@ -190,22 +190,19 @@ static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
 			val = gctx->card->reg_read(gctx->card, idx);
 			break;
 		case ATOM_IO_PCI:
-			printk(KERN_INFO
-			       "PCI registers are not implemented.\n");
+			pr_info("PCI registers are not implemented\n");
 			return 0;
 		case ATOM_IO_SYSIO:
-			printk(KERN_INFO
-			       "SYSIO registers are not implemented.\n");
+			pr_info("SYSIO registers are not implemented\n");
 			return 0;
 		default:
 			if (!(gctx->io_mode & 0x80)) {
-				printk(KERN_INFO "Bad IO mode.\n");
+				pr_info("Bad IO mode\n");
 				return 0;
 			}
 			if (!gctx->iio[gctx->io_mode & 0x7F]) {
-				printk(KERN_INFO
-				       "Undefined indirect IO read method %d.\n",
-				       gctx->io_mode & 0x7F);
+				pr_info("Undefined indirect IO read method %d\n",
+					gctx->io_mode & 0x7F);
 				return 0;
 			}
 			val =
@@ -469,22 +466,19 @@ static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr,
 				gctx->card->reg_write(gctx->card, idx, val);
 			break;
 		case ATOM_IO_PCI:
-			printk(KERN_INFO
-			       "PCI registers are not implemented.\n");
+			pr_info("PCI registers are not implemented\n");
 			return;
 		case ATOM_IO_SYSIO:
-			printk(KERN_INFO
-			       "SYSIO registers are not implemented.\n");
+			pr_info("SYSIO registers are not implemented\n");
 			return;
 		default:
 			if (!(gctx->io_mode & 0x80)) {
-				printk(KERN_INFO "Bad IO mode.\n");
+				pr_info("Bad IO mode\n");
 				return;
 			}
 			if (!gctx->iio[gctx->io_mode & 0xFF]) {
-				printk(KERN_INFO
-				       "Undefined indirect IO write method %d.\n",
-				       gctx->io_mode & 0x7F);
+				pr_info("Undefined indirect IO write method %d\n",
+					gctx->io_mode & 0x7F);
 				return;
 			}
 			atom_iio_execute(gctx, gctx->iio[gctx->io_mode & 0xFF],
@@ -850,17 +844,17 @@ static void atom_op_postcard(atom_exec_context *ctx, int *ptr, int arg)
 
 static void atom_op_repeat(atom_exec_context *ctx, int *ptr, int arg)
 {
-	printk(KERN_INFO "unimplemented!\n");
+	pr_info("unimplemented!\n");
 }
 
 static void atom_op_restorereg(atom_exec_context *ctx, int *ptr, int arg)
 {
-	printk(KERN_INFO "unimplemented!\n");
+	pr_info("unimplemented!\n");
 }
 
 static void atom_op_savereg(atom_exec_context *ctx, int *ptr, int arg)
 {
-	printk(KERN_INFO "unimplemented!\n");
+	pr_info("unimplemented!\n");
 }
 
 static void atom_op_setdatablock(atom_exec_context *ctx, int *ptr, int arg)
@@ -1023,7 +1017,7 @@ static void atom_op_switch(atom_exec_context *ctx, int *ptr, int arg)
 			}
 			(*ptr) += 2;
 		} else {
-			printk(KERN_INFO "Bad case.\n");
+			pr_info("Bad case\n");
 			return;
 		}
 	(*ptr) += 2;
@@ -1316,14 +1310,14 @@ struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios)
 	ctx->bios = bios;
 
 	if (CU16(0) != ATOM_BIOS_MAGIC) {
-		printk(KERN_INFO "Invalid BIOS magic.\n");
+		pr_info("Invalid BIOS magic\n");
 		kfree(ctx);
 		return NULL;
 	}
 	if (strncmp
 	    (CSTR(ATOM_ATI_MAGIC_PTR), ATOM_ATI_MAGIC,
 	     strlen(ATOM_ATI_MAGIC))) {
-		printk(KERN_INFO "Invalid ATI magic.\n");
+		pr_info("Invalid ATI magic\n");
 		kfree(ctx);
 		return NULL;
 	}
@@ -1332,7 +1326,7 @@ struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios)
 	if (strncmp
 	    (CSTR(base + ATOM_ROM_MAGIC_PTR), ATOM_ROM_MAGIC,
 	     strlen(ATOM_ROM_MAGIC))) {
-		printk(KERN_INFO "Invalid ATOM magic.\n");
+		pr_info("Invalid ATOM magic\n");
 		kfree(ctx);
 		return NULL;
 	}
@@ -1356,7 +1350,7 @@ struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios)
 			break;
 		}
 	}
-	printk(KERN_INFO "ATOM BIOS: %s\n", name);
+	pr_info("ATOM BIOS: %s\n", name);
 
 	return ctx;
 }