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path: root/drivers/gpu/drm/i915/intel_crt.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_crt.c')
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index cfcf85496e3..c43176d7754 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -185,8 +185,9 @@ static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector)
DRM_DEBUG_KMS("pch crt adpa 0x%x", adpa);
I915_WRITE(PCH_ADPA, adpa);
- while ((I915_READ(PCH_ADPA) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) != 0)
- ;
+ if (wait_for((I915_READ(PCH_ADPA) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) == 0,
+ 1000, 1))
+ DRM_ERROR("timed out waiting for FORCE_TRIGGER");
if (HAS_PCH_CPT(dev)) {
I915_WRITE(PCH_ADPA, temp);
@@ -237,17 +238,13 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector)
hotplug_en |= CRT_HOTPLUG_FORCE_DETECT;
for (i = 0; i < tries ; i++) {
- unsigned long timeout;
/* turn on the FORCE_DETECT */
I915_WRITE(PORT_HOTPLUG_EN, hotplug_en);
- timeout = jiffies + msecs_to_jiffies(1000);
/* wait for FORCE_DETECT to go off */
- do {
- if (!(I915_READ(PORT_HOTPLUG_EN) &
- CRT_HOTPLUG_FORCE_DETECT))
- break;
- msleep(1);
- } while (time_after(timeout, jiffies));
+ if (wait_for((I915_READ(PORT_HOTPLUG_EN) &
+ CRT_HOTPLUG_FORCE_DETECT) == 0,
+ 1000, 1))
+ DRM_ERROR("timed out waiting for FORCE_DETECT to go off");
}
stat = I915_READ(PORT_HOTPLUG_STAT);