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drm/i915: simplify sysfs setup code 

Positively checking for the required feature/gen is simpler than build
a cascade of negative "we need to bail" checks. And the later won't
scale if we add more stuff that doesn't fit in nicely.

Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2012-05-31 14:57:43 +02:00
parent 98fd81cd64
commit 112abd291d
1 changed files with 11 additions and 13 deletions
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24
drivers/gpu/drm/i915/i915_sysfs.c
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@ -205,20 +205,18 @@ void i915_setup_sysfs(struct drm_device *dev)
{
int ret;
/* ILK and below don't yet have relevant sysfs files */
if (INTEL_INFO(dev)->gen < 6)
return;
if (INTEL_INFO(dev)->gen >= 6) {
ret = sysfs_merge_group(&dev->primary->kdev.kobj,
&rc6_attr_group);
if (ret)
DRM_ERROR("RC6 residency sysfs setup failed\n");
}
ret = sysfs_merge_group(&dev->primary->kdev.kobj, &rc6_attr_group);
if (ret)
DRM_ERROR("RC6 residency sysfs setup failed\n");
if (!IS_IVYBRIDGE(dev))
return;
ret = device_create_bin_file(&dev->primary->kdev, &dpf_attrs);
if (ret)
DRM_ERROR("l3 parity sysfs setup failed\n");
if (IS_IVYBRIDGE(dev)) {
ret = device_create_bin_file(&dev->primary->kdev, &dpf_attrs);
if (ret)
DRM_ERROR("l3 parity sysfs setup failed\n");
}
}
void i915_teardown_sysfs(struct drm_device *dev)