diff options
Diffstat (limited to 'kernels/linux-libre-xen/0001-drm-i915-Dont-enable-CS_PARSER_ERROR-interrupts-at-all.patch')
| -rw-r--r-- | kernels/linux-libre-xen/0001-drm-i915-Dont-enable-CS_PARSER_ERROR-interrupts-at-all.patch | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/kernels/linux-libre-xen/0001-drm-i915-Dont-enable-CS_PARSER_ERROR-interrupts-at-all.patch b/kernels/linux-libre-xen/0001-drm-i915-Dont-enable-CS_PARSER_ERROR-interrupts-at-all.patch deleted file mode 100644 index 4e801b3cc..000000000 --- a/kernels/linux-libre-xen/0001-drm-i915-Dont-enable-CS_PARSER_ERROR-interrupts-at-all.patch +++ /dev/null @@ -1,66 +0,0 @@ -From b27b2ff4bd6f0327ee550baa0397ccf0a559821f Mon Sep 17 00:00:00 2001 -From: Daniel Vetter <daniel.vetter@ffwll.ch> -Date: Wed, 1 Apr 2015 13:40:48 +0200 -Subject: [PATCH] drm/i915: Dont enable CS_PARSER_ERROR interrupts at all - -We stopped handling them in - -commit aaecdf611a05cac26a94713bad25297e60225c29 -Author: Daniel Vetter <daniel.vetter@ffwll.ch> -Date: Tue Nov 4 15:52:22 2014 +0100 - - drm/i915: Stop gathering error states for CS error interrupts - -but just clearing is apparently not enough: A sufficiently dead gpu -left behind by firmware (*cough* coreboot *cough*) can keep the gpu in -an endless loop of such interrupts, eventually leading to the nmi -firing. And definitely to what looks like a machine hang. - -Since we don't even enable these interrupts on gen5+ let's do the same -on earlier platforms. - -Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=93171 -Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> ---- - drivers/gpu/drm/i915/i915_irq.c | 8 ++------ - 1 file changed, 2 insertions(+), 6 deletions(-) - -diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c -index 14ecb4d13a1a..6d494432b19f 100644 ---- a/drivers/gpu/drm/i915/i915_irq.c -+++ b/drivers/gpu/drm/i915/i915_irq.c -@@ -3598,14 +3598,12 @@ static int i8xx_irq_postinstall(struct drm_device *dev) - ~(I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT | - I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT | -- I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT | -- I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT); -+ I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT); - I915_WRITE16(IMR, dev_priv->irq_mask); - - I915_WRITE16(IER, - I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT | -- I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT | - I915_USER_INTERRUPT); - POSTING_READ16(IER); - -@@ -3767,14 +3765,12 @@ static int i915_irq_postinstall(struct drm_device *dev) - I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT | - I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT | -- I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT | -- I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT); -+ I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT); - - enable_mask = - I915_ASLE_INTERRUPT | - I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT | -- I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT | - I915_USER_INTERRUPT; - - if (I915_HAS_HOTPLUG(dev)) { --- -2.1.4 - |