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-rw-r--r--gnu/packages/patches/linux-libre-libreboot-fix.patch37
1 files changed, 37 insertions, 0 deletions
diff --git a/gnu/packages/patches/linux-libre-libreboot-fix.patch b/gnu/packages/patches/linux-libre-libreboot-fix.patch
new file mode 100644
index 0000000000..d340a99fcb
--- /dev/null
+++ b/gnu/packages/patches/linux-libre-libreboot-fix.patch
@@ -0,0 +1,37 @@
+This patch fixes linux-libre-3.19.x on Libreboot X60 machines.
+Copied from https://bugzilla.kernel.org/show_bug.cgi?id=93171#c25
+
+--- a/drivers/gpu/drm/i915/i915_irq.c
++++ a/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)) {