* [PATCH] drm/i915/gvt: set the correct default value of CTX STATUS PTR
@ 2017-04-06 2:42 Zhenyu Wang
2017-04-06 3:01 ` [PATCH v2] " Zhenyu Wang
0 siblings, 1 reply; 2+ messages in thread
From: Zhenyu Wang @ 2017-04-06 2:42 UTC (permalink / raw)
To: intel-gvt-dev; +Cc: Min He, stable, #, v4.10+
From: Min He <min.he@intel.com>
Fix wrong initial csb read pointer value. This fixes the random
engine timeout issue in guest when guest boots up.
Cc: stable@vger.kernel.org # v4.10+
Signed-off-by: Min He <min.he@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
drivers/gpu/drm/i915/gvt/execlist.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c
index ce4276a7cf9c..536bde8638c8 100644
--- a/drivers/gpu/drm/i915/gvt/execlist.c
+++ b/drivers/gpu/drm/i915/gvt/execlist.c
@@ -776,7 +776,8 @@ static void init_vgpu_execlist(struct intel_vgpu *vgpu, int ring_id)
_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;
}
--
2.11.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH v2] drm/i915/gvt: set the correct default value of CTX STATUS PTR
2017-04-06 2:42 [PATCH] drm/i915/gvt: set the correct default value of CTX STATUS PTR Zhenyu Wang
@ 2017-04-06 3:01 ` Zhenyu Wang
0 siblings, 0 replies; 2+ messages in thread
From: Zhenyu Wang @ 2017-04-06 3:01 UTC (permalink / raw)
To: intel-gvt-dev; +Cc: Min He, stable, #, v4.10+
From: Min He <min.he@intel.com>
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")
Cc: stable@vger.kernel.org # v4.10+
Signed-off-by: Min He <min.he@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
---
drivers/gpu/drm/i915/gvt/execlist.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c
index ce4276a7cf9c..536bde8638c8 100644
--- a/drivers/gpu/drm/i915/gvt/execlist.c
+++ b/drivers/gpu/drm/i915/gvt/execlist.c
@@ -776,7 +776,8 @@ static void init_vgpu_execlist(struct intel_vgpu *vgpu, int ring_id)
_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;
}
--
2.11.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2017-04-06 3:04 UTC | newest]
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2017-04-06 2:42 [PATCH] drm/i915/gvt: set the correct default value of CTX STATUS PTR Zhenyu Wang
2017-04-06 3:01 ` [PATCH v2] " Zhenyu Wang
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