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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)) {