diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/interrupt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/interrupt.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/gvt/interrupt.c b/drivers/gpu/drm/i915/gvt/interrupt.c index de3f5903d1..c8e7dfc9f7 100644 --- a/drivers/gpu/drm/i915/gvt/interrupt.c +++ b/drivers/gpu/drm/i915/gvt/interrupt.c @@ -422,7 +422,7 @@ static void init_irq_map(struct intel_gvt_irq *irq) #define MSI_CAP_DATA(offset) (offset + 8) #define MSI_CAP_EN 0x1 -static int inject_virtual_interrupt(struct intel_vgpu *vgpu) +static void inject_virtual_interrupt(struct intel_vgpu *vgpu) { unsigned long offset = vgpu->gvt->device_info.msi_cap_offset; u16 control, data; @@ -434,10 +434,10 @@ static int inject_virtual_interrupt(struct intel_vgpu *vgpu) /* Do not generate MSI if MSIEN is disabled */ if (!(control & MSI_CAP_EN)) - return 0; + return; if (WARN(control & GENMASK(15, 1), "only support one MSI format\n")) - return -EINVAL; + return; trace_inject_msi(vgpu->id, addr, data); @@ -451,10 +451,9 @@ static int inject_virtual_interrupt(struct intel_vgpu *vgpu) * returned and don't inject interrupt into guest. */ if (!test_bit(INTEL_VGPU_STATUS_ATTACHED, vgpu->status)) - return -ESRCH; - if (vgpu->msi_trigger && eventfd_signal(vgpu->msi_trigger, 1) != 1) - return -EFAULT; - return 0; + return; + if (vgpu->msi_trigger) + eventfd_signal(vgpu->msi_trigger); } static void propagate_event(struct intel_gvt_irq *irq, |