4.10-stable patches

added patches:
	drm-i915-gvt-set-the-correct-default-value-of-ctx-status-ptr.patch

diff --git a/queue-4.10/drm-i915-gvt-set-the-correct-default-value-of-ctx-status-ptr.patch b/queue-4.10/drm-i915-gvt-set-the-correct-default-value-of-ctx-status-ptr.patch
new file mode 100644 (file)
index 0000000..6cfd776
--- /dev/null
+++ b/queue-4.10/drm-i915-gvt-set-the-correct-default-value-of-ctx-status-ptr.patch
@@ -0,0 +1,33 @@
+From a34f83639490a5cc11a9d5c1b3773d4b6eb69a9e Mon Sep 17 00:00:00 2001
+From: Min He <min.he@intel.com>
+Date: Thu, 6 Apr 2017 11:01:45 +0800
+Subject: drm/i915/gvt: set the correct default value of CTX STATUS PTR
+
+From: Min He <min.he@intel.com>
+
+commit a34f83639490a5cc11a9d5c1b3773d4b6eb69a9e upstream.
+
+Fix wrong initial csb read pointer value. This fixes the random
+engine timeout issue in guest when guest boots up.
+
+Fixes: 8453d674ae7e ("drm/i915/gvt: vGPU execlist virtualization")
+Signed-off-by: Min He <min.he@intel.com>
+Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ drivers/gpu/drm/i915/gvt/execlist.c |    3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/drivers/gpu/drm/i915/gvt/execlist.c
++++ b/drivers/gpu/drm/i915/gvt/execlist.c
+@@ -778,7 +778,8 @@ static void init_vgpu_execlist(struct in
+                       _EL_OFFSET_STATUS_PTR);
+ 
+       ctx_status_ptr.dw = vgpu_vreg(vgpu, ctx_status_ptr_reg);
+-      ctx_status_ptr.read_ptr = ctx_status_ptr.write_ptr = 0x7;
++      ctx_status_ptr.read_ptr = 0;
++      ctx_status_ptr.write_ptr = 0x7;
+       vgpu_vreg(vgpu, ctx_status_ptr_reg) = ctx_status_ptr.dw;
+ }
+ 

diff --git a/queue-4.10/series b/queue-4.10/series
index 076974cbbb45fe43630b92aa337eb107d4676a04..434cf66edff184c6f11c3fcc2202070010a1a5e1 100644 (file)
--- a/queue-4.10/series
+++ b/queue-4.10/series
@@ -51,3 +51,4 @@ pwm-rockchip-state-of-pwm-clock-should-synchronize-with-pwm-enabled-state.patch
 cpufreq-bring-cpus-up-even-if-cpufreq_online-failed.patch
 irqchip-irq-imx-gpcv2-fix-spinlock-initialization.patch
 ftrace-fix-removing-of-second-function-probe.patch
+drm-i915-gvt-set-the-correct-default-value-of-ctx-status-ptr.patch