From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 30 Sep 2013 22:03:06 +0000 (-0400)
Subject: drm/radeon: minor updates to cik.c for hawaii
X-Git-Tag: upstream/snapshot3+hdmi~3958^2~9^2~15
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=939c0d3c08124cd7707168525c47354952c62d8d;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

drm/radeon: minor updates to cik.c for hawaii

Skip programming a register that was removed and
adjust the mask of the VM client status.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index a2a3006..e91a240 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -3494,7 +3494,8 @@ static int cik_cp_gfx_resume(struct radeon_device *rdev)
 	int r;
 
 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
-	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
+	if (rdev->family != CHIP_HAWAII)
+		WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
 
 	/* Set the write pointer delay */
 	WREG32(CP_RB_WPTR_DELAY, 0);
@@ -4831,12 +4832,17 @@ void cik_vm_fini(struct radeon_device *rdev)
 static void cik_vm_decode_fault(struct radeon_device *rdev,
 				u32 status, u32 addr, u32 mc_client)
 {
-	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
+	u32 mc_id;
 	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
 	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
 	char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
 		(mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
 
+	if (rdev->family == CHIP_HAWAII)
+		mc_id = (status & HAWAII_MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
+	else
+		mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
+
 	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",
diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h
index aeb3d00..28cbcc1 100644
--- a/drivers/gpu/drm/radeon/cikd.h
+++ b/drivers/gpu/drm/radeon/cikd.h
@@ -500,6 +500,7 @@
 		 * bit 4: write
 		 */
 #define		MEMORY_CLIENT_ID_MASK			(0xff << 12)
+#define		HAWAII_MEMORY_CLIENT_ID_MASK		(0x1ff << 12)
 #define		MEMORY_CLIENT_ID_SHIFT			12
 #define		MEMORY_CLIENT_RW_MASK			(1 << 24)
 #define		MEMORY_CLIENT_RW_SHIFT			24