[PATCH 3/5] drm/radeon: separate vblank and pflip crtc handling
Christian König
deathsimple at vodafone.de
Tue Apr 29 07:29:31 PDT 2014
From: Christian König <christian.koenig at amd.com>
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/radeon/cik.c | 12 ++++++------
drivers/gpu/drm/radeon/evergreen.c | 12 ++++++------
drivers/gpu/drm/radeon/r100.c | 4 ++--
drivers/gpu/drm/radeon/r600.c | 4 ++--
drivers/gpu/drm/radeon/radeon_display.c | 33 +++++++++++++++++++++++++++++++--
drivers/gpu/drm/radeon/radeon_mode.h | 1 +
drivers/gpu/drm/radeon/rs600.c | 4 ++--
drivers/gpu/drm/radeon/si.c | 12 ++++++------
8 files changed, 56 insertions(+), 26 deletions(-)
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index ff1cad5..123fa64 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -7378,7 +7378,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[0]))
- radeon_crtc_handle_flip(rdev, 0);
+ radeon_crtc_handle_vblank(rdev, 0);
rdev->irq.stat_regs.cik.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D1 vblank\n");
}
@@ -7404,7 +7404,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[1]))
- radeon_crtc_handle_flip(rdev, 1);
+ radeon_crtc_handle_vblank(rdev, 1);
rdev->irq.stat_regs.cik.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D2 vblank\n");
}
@@ -7430,7 +7430,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[2]))
- radeon_crtc_handle_flip(rdev, 2);
+ radeon_crtc_handle_vblank(rdev, 2);
rdev->irq.stat_regs.cik.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D3 vblank\n");
}
@@ -7456,7 +7456,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[3]))
- radeon_crtc_handle_flip(rdev, 3);
+ radeon_crtc_handle_vblank(rdev, 3);
rdev->irq.stat_regs.cik.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D4 vblank\n");
}
@@ -7482,7 +7482,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[4]))
- radeon_crtc_handle_flip(rdev, 4);
+ radeon_crtc_handle_vblank(rdev, 4);
rdev->irq.stat_regs.cik.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D5 vblank\n");
}
@@ -7508,7 +7508,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[5]))
- radeon_crtc_handle_flip(rdev, 5);
+ radeon_crtc_handle_vblank(rdev, 5);
rdev->irq.stat_regs.cik.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D6 vblank\n");
}
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 34ff5ba..d97ba36 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -4794,7 +4794,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[0]))
- radeon_crtc_handle_flip(rdev, 0);
+ radeon_crtc_handle_vblank(rdev, 0);
rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D1 vblank\n");
}
@@ -4820,7 +4820,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[1]))
- radeon_crtc_handle_flip(rdev, 1);
+ radeon_crtc_handle_vblank(rdev, 1);
rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D2 vblank\n");
}
@@ -4846,7 +4846,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[2]))
- radeon_crtc_handle_flip(rdev, 2);
+ radeon_crtc_handle_vblank(rdev, 2);
rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D3 vblank\n");
}
@@ -4872,7 +4872,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[3]))
- radeon_crtc_handle_flip(rdev, 3);
+ radeon_crtc_handle_vblank(rdev, 3);
rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D4 vblank\n");
}
@@ -4898,7 +4898,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[4]))
- radeon_crtc_handle_flip(rdev, 4);
+ radeon_crtc_handle_vblank(rdev, 4);
rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D5 vblank\n");
}
@@ -4924,7 +4924,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[5]))
- radeon_crtc_handle_flip(rdev, 5);
+ radeon_crtc_handle_vblank(rdev, 5);
rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D6 vblank\n");
}
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 52548f7..ad99813 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -779,7 +779,7 @@ int r100_irq_process(struct radeon_device *rdev)
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[0]))
- radeon_crtc_handle_flip(rdev, 0);
+ radeon_crtc_handle_vblank(rdev, 0);
}
if (status & RADEON_CRTC2_VBLANK_STAT) {
if (rdev->irq.crtc_vblank_int[1]) {
@@ -788,7 +788,7 @@ int r100_irq_process(struct radeon_device *rdev)
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[1]))
- radeon_crtc_handle_flip(rdev, 1);
+ radeon_crtc_handle_vblank(rdev, 1);
}
if (status & RADEON_FP_DETECT_STAT) {
queue_hotplug = true;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index c4ccd2a..5309349 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -3875,7 +3875,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[0]))
- radeon_crtc_handle_flip(rdev, 0);
+ radeon_crtc_handle_vblank(rdev, 0);
rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D1 vblank\n");
}
@@ -3901,7 +3901,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[1]))
- radeon_crtc_handle_flip(rdev, 1);
+ radeon_crtc_handle_vblank(rdev, 1);
rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D2 vblank\n");
}
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index acbdb1d..af6e5ae 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -276,7 +276,7 @@ static void radeon_unpin_work_func(struct work_struct *__work)
kfree(work);
}
-void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id)
+void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id)
{
struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
struct radeon_unpin_work *work;
@@ -306,7 +306,6 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id)
* completion routine.
*/
update_pending = 0;
- radeon_crtc->deferred_flip_completion = 0;
}
/* Has the pageflip already completed in crtc, or is it certain
@@ -334,10 +333,40 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id)
radeon_crtc->deferred_flip_completion = 1;
spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);
return;
+ } else {
+ spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);
+ radeon_crtc_handle_flip(rdev, crtc_id);
+ }
+}
+
+/**
+ * radeon_crtc_handle_flip - page flip completed
+ *
+ * @rdev: radeon device pointer
+ * @crtc_id: crtc number this event is for
+ *
+ * Called when we are sure that a page flip for this crtc is completed.
+ */
+void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id)
+{
+ struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
+ struct radeon_unpin_work *work;
+ unsigned long flags;
+
+ /* this can happen at init */
+ if (radeon_crtc == NULL)
+ return;
+
+ spin_lock_irqsave(&rdev->ddev->event_lock, flags);
+ work = radeon_crtc->unpin_work;
+ if (work == NULL) {
+ spin_unlock_irqrestore(&rdev->ddev->event_lock, flags);
+ return;
}
/* Pageflip (will be) certainly completed in this vblank. Clean up. */
radeon_crtc->unpin_work = NULL;
+ radeon_crtc->deferred_flip_completion = 0;
/* wakeup userspace */
if (work->event)
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 6ddf31a..eda6367 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -906,6 +906,7 @@ bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj)
void radeon_fb_output_poll_changed(struct radeon_device *rdev);
+void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id);
void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id);
int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled);
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 9922ee5..dd12dc2 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -781,7 +781,7 @@ int rs600_irq_process(struct radeon_device *rdev)
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[0]))
- radeon_crtc_handle_flip(rdev, 0);
+ radeon_crtc_handle_vblank(rdev, 0);
}
if (G_007EDC_LB_D2_VBLANK_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
if (rdev->irq.crtc_vblank_int[1]) {
@@ -790,7 +790,7 @@ int rs600_irq_process(struct radeon_device *rdev)
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[1]))
- radeon_crtc_handle_flip(rdev, 1);
+ radeon_crtc_handle_vblank(rdev, 1);
}
if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(rdev->irq.stat_regs.r500.disp_int)) {
queue_hotplug = true;
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 4654130..252d18a 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -6151,7 +6151,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[0]))
- radeon_crtc_handle_flip(rdev, 0);
+ radeon_crtc_handle_vblank(rdev, 0);
rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D1 vblank\n");
}
@@ -6177,7 +6177,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[1]))
- radeon_crtc_handle_flip(rdev, 1);
+ radeon_crtc_handle_vblank(rdev, 1);
rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D2 vblank\n");
}
@@ -6203,7 +6203,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[2]))
- radeon_crtc_handle_flip(rdev, 2);
+ radeon_crtc_handle_vblank(rdev, 2);
rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D3 vblank\n");
}
@@ -6229,7 +6229,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[3]))
- radeon_crtc_handle_flip(rdev, 3);
+ radeon_crtc_handle_vblank(rdev, 3);
rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D4 vblank\n");
}
@@ -6255,7 +6255,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[4]))
- radeon_crtc_handle_flip(rdev, 4);
+ radeon_crtc_handle_vblank(rdev, 4);
rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D5 vblank\n");
}
@@ -6281,7 +6281,7 @@ restart_ih:
wake_up(&rdev->irq.vblank_queue);
}
if (atomic_read(&rdev->irq.pflip[5]))
- radeon_crtc_handle_flip(rdev, 5);
+ radeon_crtc_handle_vblank(rdev, 5);
rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
DRM_DEBUG("IH: D6 vblank\n");
}
--
1.9.1
More information about the dri-devel
mailing list