aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
diff options
context:
space:
mode:
authorAlex Deucher <alexander.deucher@amd.com>2016-09-30 11:41:37 -0400
committerAlex Deucher <alexander.deucher@amd.com>2016-10-25 14:38:05 -0400
commit9405e47dbab33706c43caba72cf8d83b5746f843 (patch)
tree627dc362b12f3ddf4917e2d2e8ae77ac8b79518b /drivers/gpu/drm/amd/amdgpu/dce_virtual.c
parentdrm/amdgpu/virtual_dce: no need to an irq process callback (diff)
downloadlinux-dev-9405e47dbab33706c43caba72cf8d83b5746f843.tar.xz
linux-dev-9405e47dbab33706c43caba72cf8d83b5746f843.zip
drm/amdgpu/virtual_dce: clean up interrupt handling
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/dce_virtual.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/dce_virtual.c109
1 files changed, 54 insertions, 55 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
index 0771d6df7186..bc8f5e332915 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
@@ -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,