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Diffstat (limited to '')
| -rw-r--r-- | debian/patches-rt/0251-drm-radeon-i915-Use-preempt_disable-enable_rt-where-.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/debian/patches-rt/0251-drm-radeon-i915-Use-preempt_disable-enable_rt-where-.patch b/debian/patches-rt/0251-drm-radeon-i915-Use-preempt_disable-enable_rt-where-.patch new file mode 100644 index 000000000..898eacd8a --- /dev/null +++ b/debian/patches-rt/0251-drm-radeon-i915-Use-preempt_disable-enable_rt-where-.patch @@ -0,0 +1,61 @@ +From f85948d1377d8e7d97d94d7d90250791825fc355 Mon Sep 17 00:00:00 2001 +From: Mike Galbraith <umgwanakikbuti@gmail.com> +Date: Sat, 27 Feb 2016 08:09:11 +0100 +Subject: [PATCH 251/347] drm,radeon,i915: Use preempt_disable/enable_rt() + where recommended +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz + +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(+) + +diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c +index b7c398232136..eed1ba3009c6 100644 +--- a/drivers/gpu/drm/i915/i915_irq.c ++++ b/drivers/gpu/drm/i915/i915_irq.c +@@ -1025,6 +1025,7 @@ static bool i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, + 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) +@@ -1076,6 +1077,7 @@ static bool i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, + *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); + +diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c +index 5985efc5a1f3..de2552a40d36 100644 +--- a/drivers/gpu/drm/radeon/radeon_display.c ++++ b/drivers/gpu/drm/radeon/radeon_display.c +@@ -1818,6 +1818,7 @@ int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, + 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) +@@ -1910,6 +1911,7 @@ int radeon_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, + *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; +-- +2.36.1 + |