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Subject[ 46/57] drm/radeon/cik: Fix printing of client name on VM protection fault
Date
3.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Michel Dänzer <michel.daenzer@amd.com>

commit 328a50c7b09d313ab9278f972950da414d348eb1 upstream.

The string is encoded from the MSB to the LSB of the register.

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/gpu/drm/radeon/cik.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -4506,12 +4506,13 @@ static void cik_vm_decode_fault(struct r
u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
- char *block = (char *)&mc_client;
+ char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
+ (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };

- printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
+ printk("VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
protections, vmid, addr,
(status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
- block, mc_id);
+ block, mc_client, mc_id);
}

/**

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