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@xxxxxxxx>
---
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
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