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/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index e339931..aefca0b 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -1042,11 +1042,9 @@ static int r100_cp_init_microcode(struct radeon_device *rdev)
 
 	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
 	if (err) {
-		printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
-		       fw_name);
+		pr_err("radeon_cp: Failed to load firmware \"%s\"\n", fw_name);
 	} else if (rdev->me_fw->size % 8) {
-		printk(KERN_ERR
-		       "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
+		pr_err("radeon_cp: Bogus length %zu in firmware \"%s\"\n",
 		       rdev->me_fw->size, fw_name);
 		err = -EINVAL;
 		release_firmware(rdev->me_fw);
@@ -1087,8 +1085,7 @@ static void r100_cp_load_microcode(struct radeon_device *rdev)
 	int i, size;
 
 	if (r100_gui_wait_for_idle(rdev)) {
-		printk(KERN_WARNING "Failed to wait GUI idle while "
-		       "programming pipes. Bad things might happen.\n");
+		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 	}
 
 	if (rdev->me_fw) {
@@ -1246,8 +1243,7 @@ void r100_cp_disable(struct radeon_device *rdev)
 	WREG32(RADEON_CP_CSQ_CNTL, 0);
 	WREG32(R_000770_SCRATCH_UMSK, 0);
 	if (r100_gui_wait_for_idle(rdev)) {
-		printk(KERN_WARNING "Failed to wait GUI idle while "
-		       "programming pipes. Bad things might happen.\n");
+		pr_warn("Failed to wait GUI idle while programming pipes. Bad things might happen.\n");
 	}
 }
 
@@ -1881,8 +1877,7 @@ static int r100_packet0_check(struct radeon_cs_parser *p,
 		track->tex_dirty = true;
 		break;
 	default:
-		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
-		       reg, idx);
+		pr_err("Forbidden register 0x%04X in cs at %d\n", reg, idx);
 		return -EINVAL;
 	}
 	return 0;
@@ -2486,8 +2481,7 @@ int r100_gui_wait_for_idle(struct radeon_device *rdev)
 	uint32_t tmp;
 
 	if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
-		printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
-		       " Bad things might happen.\n");
+		pr_warn("radeon: wait for empty RBBM fifo failed! Bad things might happen.\n");
 	}
 	for (i = 0; i < rdev->usec_timeout; i++) {
 		tmp = RREG32(RADEON_RBBM_STATUS);