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path: root/drivers/gpu/drm/i915/gvt/interrupt.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gvt/interrupt.c')
-rw-r--r--drivers/gpu/drm/i915/gvt/interrupt.c13
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 de3f5903d1a7..c8e7dfc9f791 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,