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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)) {
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