[Intel-gfx] [PATCH] drm/i915: Increase OpRegion timeout

[Daniel Vetter]

I have a machine here which hits this (a g33):

[   13.368536] excessive driver sleep timeout (DSPL) 1024

Apparently people love pot numbers, and one second isn't that
unreasonable (for a bios writer at least) I guess.

Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/i915/intel_opregion.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index 3da259e280ba..3c7e38c7ed87 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -261,10 +261,10 @@ static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out)
 		/* The spec says 2ms should be the default, but it's too small
 		 * for some machines. */
 		dslp = 50;
-	} else if (dslp > 500) {
+	} else if (dslp > 1500) {
 		/* Hey bios, trust must be earned. */
 		WARN_ONCE(1, "excessive driver sleep timeout (DSPL) %u\n", dslp);
-		dslp = 500;
+		dslp = 1500;
 	}
 
 	/* The spec tells us to do this, but we are the only user... */
-- 
1.8.3.1