| Subject: drm,radeon,i915: Use preempt_disable/enable_rt() where recommended |
| From: Mike Galbraith <umgwanakikbuti@gmail.com> |
| Date: Sat, 27 Feb 2016 08:09:11 +0100 |
| |
| DRM folks identified the spots, so use them. |
| |
| Signed-off-by: Mike Galbraith <umgwanakikbuti@gmail.com> |
| Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> |
| Cc: linux-rt-users <linux-rt-users@vger.kernel.org> |
| Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
| --- |
| drivers/gpu/drm/i915/i915_irq.c | 2 ++ |
| drivers/gpu/drm/radeon/radeon_display.c | 2 ++ |
| 2 files changed, 4 insertions(+) |
| |
| --- a/drivers/gpu/drm/i915/i915_irq.c |
| +++ b/drivers/gpu/drm/i915/i915_irq.c |
| @@ -867,6 +867,7 @@ static int i915_get_crtc_scanoutpos(stru |
| spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); |
| |
| /* preempt_disable_rt() should go right here in PREEMPT_RT patchset. */ |
| + preempt_disable_rt(); |
| |
| /* Get optional system timestamp before query. */ |
| if (stime) |
| @@ -918,6 +919,7 @@ static int i915_get_crtc_scanoutpos(stru |
| *etime = ktime_get(); |
| |
| /* preempt_enable_rt() should go right here in PREEMPT_RT patchset. */ |
| + preempt_enable_rt(); |
| |
| spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); |
| |
| --- a/drivers/gpu/drm/radeon/radeon_display.c |
| +++ b/drivers/gpu/drm/radeon/radeon_display.c |
| @@ -1845,6 +1845,7 @@ int radeon_get_crtc_scanoutpos(struct dr |
| struct radeon_device *rdev = dev->dev_private; |
| |
| /* preempt_disable_rt() should go right here in PREEMPT_RT patchset. */ |
| + preempt_disable_rt(); |
| |
| /* Get optional system timestamp before query. */ |
| if (stime) |
| @@ -1937,6 +1938,7 @@ int radeon_get_crtc_scanoutpos(struct dr |
| *etime = ktime_get(); |
| |
| /* preempt_enable_rt() should go right here in PREEMPT_RT patchset. */ |
| + preempt_enable_rt(); |
| |
| /* Decode into vertical and horizontal scanout position. */ |
| *vpos = position & 0x1fff; |
