diff options
Diffstat (limited to 'debian/patches-rt/0250-drm-radeon-i915-Use-preempt_disable-enable_rt-where-.patch')
| -rw-r--r-- | debian/patches-rt/0250-drm-radeon-i915-Use-preempt_disable-enable_rt-where-.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/debian/patches-rt/0250-drm-radeon-i915-Use-preempt_disable-enable_rt-where-.patch b/debian/patches-rt/0250-drm-radeon-i915-Use-preempt_disable-enable_rt-where-.patch new file mode 100644 index 000000000..c0e7434f2 --- /dev/null +++ b/debian/patches-rt/0250-drm-radeon-i915-Use-preempt_disable-enable_rt-where-.patch @@ -0,0 +1,61 @@ +From 2c69acb6875156b092516fc81bd2a05b96973c2b Mon Sep 17 00:00:00 2001 +From: Mike Galbraith <umgwanakikbuti@gmail.com> +Date: Sat, 27 Feb 2016 08:09:11 +0100 +Subject: [PATCH 250/323] drm,radeon,i915: Use preempt_disable/enable_rt() + where recommended +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.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 759f523c6a6b..7339a42ab2b8 100644 +--- a/drivers/gpu/drm/i915/i915_irq.c ++++ b/drivers/gpu/drm/i915/i915_irq.c +@@ -847,6 +847,7 @@ static bool i915_get_crtc_scanoutpos(struct drm_crtc *_crtc, + 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) +@@ -898,6 +899,7 @@ static bool i915_get_crtc_scanoutpos(struct drm_crtc *_crtc, + *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 71bdafac9210..95ce311f434b 100644 +--- a/drivers/gpu/drm/radeon/radeon_display.c ++++ b/drivers/gpu/drm/radeon/radeon_display.c +@@ -1823,6 +1823,7 @@ 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) +@@ -1915,6 +1916,7 @@ 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; +-- +2.43.0 + |