diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/handlers.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/handlers.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index d5e206661048..d60c2bee00fb 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -316,6 +316,7 @@ static int gdrst_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, } } + /* vgpu_lock already hold by emulate mmio r/w */ intel_gvt_reset_vgpu_locked(vgpu, false, engine_mask); /* sw will wait for the device to ack the reset request */ @@ -420,7 +421,10 @@ static int pipeconf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, vgpu_vreg(vgpu, offset) |= I965_PIPECONF_ACTIVE; else vgpu_vreg(vgpu, offset) &= ~I965_PIPECONF_ACTIVE; + /* vgpu_lock already hold by emulate mmio r/w */ + mutex_unlock(&vgpu->vgpu_lock); intel_gvt_check_vblank_emulation(vgpu->gvt); + mutex_lock(&vgpu->vgpu_lock); return 0; } |