[PATCH 6/6] drm/amdkfd: Improve KFD IOCTL printing

[Zhao, Yong]

The code use hex define, so should the printing. Also, printf a message
if there is a failure.

Change-Id: Ia7cc7690553bb043915b3d8c0157216c64421a60
Signed-off-by: Yong Zhao <Yong.Zhao at amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index c28ba0c1d7ac..d1ab09c0f522 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1840,7 +1840,7 @@ static long kfd_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
 	} else
 		goto err_i1;
 
-	dev_dbg(kfd_device, "ioctl cmd 0x%x (#%d), arg 0x%lx\n", cmd, nr, arg);
+	dev_dbg(kfd_device, "ioctl cmd 0x%x (#0x%x), arg 0x%lx\n", cmd, nr, arg);
 
 	process = kfd_get_process(current);
 	if (IS_ERR(process)) {
@@ -1895,7 +1895,8 @@ static long kfd_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
 		kfree(kdata);
 
 	if (retcode)
-		dev_dbg(kfd_device, "ret = %d\n", retcode);
+		dev_err(kfd_device, "ioctl cmd (#0x%x), arg 0x%lx, ret = %d\n",
+				nr, arg, retcode);
 
 	return retcode;
 }
-- 
2.17.1