The WARN_ONCE is a bit too verbose, make it a DRM_INFO_ONCE.
While at it, add a #define for MAX_DSLP and make the message a bit more
informative.
v2: use DRM_INFO_ONCE, add MAX_DSLP, pimp the message.
Suggested-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_opregion.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
index 46d288055345..68459605bd12 100644
--- a/drivers/gpu/drm/i915/intel_opregion.c
+++ b/drivers/gpu/drm/i915/intel_opregion.c
@@ -227,6 +227,8 @@ struct opregion_asle {
#define ACPI_DIGITAL_OUTPUT (3<<8)
#define ACPI_LVDS_OUTPUT (4<<8)
+#define MAX_DSLP 1500
+
#ifdef CONFIG_ACPI
static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out)
{
@@ -261,10 +263,11 @@ 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 > 1500) {
+ } else if (dslp > MAX_DSLP) {
/* Hey bios, trust must be earned. */
- WARN_ONCE(1, "excessive driver sleep timeout (DSPL) %u\n", dslp);
- dslp = 1500;
+ DRM_INFO_ONCE("ACPI BIOS requests an excessive sleep of %u ms, "
+ "using %u ms instead\n", dslp, MAX_DSLP);
+ dslp = MAX_DSLP;
}
/* The spec tells us to do this, but we are the only user... */
--
1.7.9.5
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