drm/amdgpu/virtual_dce: clean up interrupt handling
authorAlex Deucher <alexander.deucher@amd.com>
Fri, 30 Sep 2016 15:41:37 +0000 (11:41 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 25 Oct 2016 18:38:05 +0000 (14:38 -0400)
We handle the virtual interrupts from a timer so no
need to try an look like we are handling IV ring events.

Reviewed-By: Emily Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/dce_virtual.c

index 0771d6df7186e81d3cf0ba0d453393b2f04110e8..bc8f5e332915eab176c9524ef34727c72d5769db 100644 (file)
@@ -39,9 +39,6 @@
 
 static void dce_virtual_set_display_funcs(struct amdgpu_device *adev);
 static void dce_virtual_set_irq_funcs(struct amdgpu_device *adev);
-static int dce_virtual_pageflip_irq(struct amdgpu_device *adev,
-                                 struct amdgpu_irq_src *source,
-                                 struct amdgpu_iv_entry *entry);
 
 /**
  * dce_virtual_vblank_wait - vblank wait asic callback.
@@ -655,14 +652,64 @@ static void dce_virtual_set_display_funcs(struct amdgpu_device *adev)
                adev->mode_info.funcs = &dce_virtual_display_funcs;
 }
 
+static int dce_virtual_pageflip(struct amdgpu_device *adev,
+                               unsigned crtc_id)
+{
+       unsigned long flags;
+       struct amdgpu_crtc *amdgpu_crtc;
+       struct amdgpu_flip_work *works;
+
+       amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
+
+       if (crtc_id >= adev->mode_info.num_crtc) {
+               DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
+               return -EINVAL;
+       }
+
+       /* IRQ could occur when in initial stage */
+       if (amdgpu_crtc == NULL)
+               return 0;
+
+       spin_lock_irqsave(&adev->ddev->event_lock, flags);
+       works = amdgpu_crtc->pflip_works;
+       if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
+               DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
+                       "AMDGPU_FLIP_SUBMITTED(%d)\n",
+                       amdgpu_crtc->pflip_status,
+                       AMDGPU_FLIP_SUBMITTED);
+               spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
+               return 0;
+       }
+
+       /* page flip completed. clean up */
+       amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
+       amdgpu_crtc->pflip_works = NULL;
+
+       /* wakeup usersapce */
+       if (works->event)
+               drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
+
+       spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
+
+       drm_crtc_vblank_put(&amdgpu_crtc->base);
+       schedule_work(&works->unpin_work);
+
+       return 0;
+}
+
 static enum hrtimer_restart dce_virtual_vblank_timer_handle(struct hrtimer *vblank_timer)
 {
-       struct amdgpu_mode_info *mode_info = container_of(vblank_timer, struct amdgpu_mode_info ,vblank_timer);
-       struct amdgpu_device *adev = container_of(mode_info, struct amdgpu_device ,mode_info);
+       struct amdgpu_mode_info *mode_info =
+               container_of(vblank_timer, struct amdgpu_mode_info , vblank_timer);
+       struct amdgpu_device *adev =
+               container_of(mode_info, struct amdgpu_device , mode_info);
        unsigned crtc = 0;
+
        drm_handle_vblank(adev->ddev, crtc);
-       dce_virtual_pageflip_irq(adev, NULL, NULL);
-       hrtimer_start(vblank_timer, ktime_set(0, DCE_VIRTUAL_VBLANK_PERIOD), HRTIMER_MODE_REL);
+       dce_virtual_pageflip(adev, crtc);
+       hrtimer_start(vblank_timer, ktime_set(0, DCE_VIRTUAL_VBLANK_PERIOD),
+                     HRTIMER_MODE_REL);
+
        return HRTIMER_NORESTART;
 }
 
@@ -706,54 +753,6 @@ static int dce_virtual_set_crtc_irq_state(struct amdgpu_device *adev,
        return 0;
 }
 
-static int dce_virtual_pageflip_irq(struct amdgpu_device *adev,
-                                 struct amdgpu_irq_src *source,
-                                 struct amdgpu_iv_entry *entry)
-{
-       unsigned long flags;
-       unsigned crtc_id = 0;
-       struct amdgpu_crtc *amdgpu_crtc;
-       struct amdgpu_flip_work *works;
-
-       crtc_id = 0;
-       amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
-
-       if (crtc_id >= adev->mode_info.num_crtc) {
-               DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
-               return -EINVAL;
-       }
-
-       /* IRQ could occur when in initial stage */
-       if (amdgpu_crtc == NULL)
-               return 0;
-
-       spin_lock_irqsave(&adev->ddev->event_lock, flags);
-       works = amdgpu_crtc->pflip_works;
-       if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
-               DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
-                       "AMDGPU_FLIP_SUBMITTED(%d)\n",
-                       amdgpu_crtc->pflip_status,
-                       AMDGPU_FLIP_SUBMITTED);
-               spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
-               return 0;
-       }
-
-       /* page flip completed. clean up */
-       amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
-       amdgpu_crtc->pflip_works = NULL;
-
-       /* wakeup usersapce */
-       if (works->event)
-               drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
-
-       spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
-
-       drm_crtc_vblank_put(&amdgpu_crtc->base);
-       schedule_work(&works->unpin_work);
-
-       return 0;
-}
-
 static const struct amdgpu_irq_src_funcs dce_virtual_crtc_irq_funcs = {
        .set = dce_virtual_set_crtc_irq_state,
        .process = NULL,