On Wed, Oct 1, 2014 at 1:08 AM, Daniel Vetter <daniel@xxxxxxxx> wrote: > On Tue, Sep 30, 2014 at 08:00:33AM -0700, Rodrigo Vivi wrote: >> Avoid to expose RC6 and RC6pp to the platforms that doesn't support it. >> Although this doesn't really change powertop behaviour as described on the >> request. >> >> References: https://bugs.freedesktop.org/show_bug.cgi?id=84524 >> Cc: Josh Triplett <josh.triplett@xxxxxxxxx> >> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> >> --- >> drivers/gpu/drm/i915/i915_drv.h | 3 +++ >> drivers/gpu/drm/i915/i915_sysfs.c | 39 ++++++++++++++++++++++++++++++++++++--- >> drivers/gpu/drm/i915/intel_pm.c | 12 ++++++++---- >> 3 files changed, 47 insertions(+), 7 deletions(-) >> >> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h >> index d10b417..54b2aac 100644 >> --- a/drivers/gpu/drm/i915/i915_drv.h >> +++ b/drivers/gpu/drm/i915/i915_drv.h >> @@ -2185,6 +2185,9 @@ struct drm_i915_cmd_table { >> #define HAS_PSR(dev) (IS_HASWELL(dev) || IS_BROADWELL(dev)) >> #define HAS_RUNTIME_PM(dev) (IS_GEN6(dev) || IS_HASWELL(dev) || \ >> IS_BROADWELL(dev) || IS_VALLEYVIEW(dev)) >> +#define HAS_RC6(dev) (INTEL_INFO(dev)->gen >= 6) >> +#define HAS_RC6p(dev) (IS_GEN6(dev) || IS_IVYBRIDGE(dev)) >> +#define HAS_RC6pp(dev) IS_GEN6(dev) >> >> #define INTEL_PCH_DEVICE_ID_MASK 0xff00 >> #define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00 >> diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c >> index 503847f..879e889 100644 >> --- a/drivers/gpu/drm/i915/i915_sysfs.c >> +++ b/drivers/gpu/drm/i915/i915_sysfs.c >> @@ -139,8 +139,6 @@ static DEVICE_ATTR(rc6pp_residency_ms, S_IRUGO, show_rc6pp_ms, NULL); >> static struct attribute *rc6_attrs[] = { >> &dev_attr_rc6_enable.attr, >> &dev_attr_rc6_residency_ms.attr, >> - &dev_attr_rc6p_residency_ms.attr, >> - &dev_attr_rc6pp_residency_ms.attr, >> NULL >> }; >> >> @@ -148,6 +146,26 @@ static struct attribute_group rc6_attr_group = { >> .name = power_group_name, >> .attrs = rc6_attrs >> }; >> + >> +static struct attribute *rc6p_attrs[] = { >> + &dev_attr_rc6p_residency_ms.attr, >> + NULL >> +}; >> + >> +static struct attribute_group rc6p_attr_group = { >> + .name = power_group_name, >> + .attrs = rc6p_attrs >> +}; >> + >> +static struct attribute *rc6pp_attrs[] = { >> + &dev_attr_rc6pp_residency_ms.attr, >> + NULL >> +}; >> + >> +static struct attribute_group rc6pp_attr_group = { >> + .name = power_group_name, >> + .attrs = rc6pp_attrs >> +}; >> #endif >> >> static int l3_access_valid(struct drm_device *dev, loff_t offset) >> @@ -595,12 +613,25 @@ void i915_setup_sysfs(struct drm_device *dev) >> int ret; >> >> #ifdef CONFIG_PM >> - if (INTEL_INFO(dev)->gen >= 6) { >> + if (HAS_RC6(dev)) { >> ret = sysfs_merge_group(&dev->primary->kdev->kobj, >> &rc6_attr_group); >> if (ret) >> DRM_ERROR("RC6 residency sysfs setup failed\n"); >> } >> + if (HAS_RC6p(dev)) { >> + ret = sysfs_merge_group(&dev->primary->kdev->kobj, >> + &rc6p_attr_group); >> + if (ret) >> + DRM_ERROR("RC6p residency sysfs setup failed\n"); >> + } >> + >> + if (HAS_RC6pp(dev)) { >> + ret = sysfs_merge_group(&dev->primary->kdev->kobj, >> + &rc6pp_attr_group); >> + if (ret) >> + DRM_ERROR("RC6pp residency sysfs setup failed\n"); >> + } >> #endif >> if (HAS_L3_DPF(dev)) { >> ret = device_create_bin_file(dev->primary->kdev, &dpf_attrs); >> @@ -640,5 +671,7 @@ void i915_teardown_sysfs(struct drm_device *dev) >> device_remove_bin_file(dev->primary->kdev, &dpf_attrs); >> #ifdef CONFIG_PM >> sysfs_unmerge_group(&dev->primary->kdev->kobj, &rc6_attr_group); >> + sysfs_unmerge_group(&dev->primary->kdev->kobj, &rc6p_attr_group); >> + sysfs_unmerge_group(&dev->primary->kdev->kobj, &rc6pp_attr_group); > > I think we could do just one additional group here for both rc6p and > rc6pp, simplifies the code a bit. if both snb and ivb have both deep and deepest I agree... But I defined above rc6pp only on snb and rc6p on snb and ivb... am I wrong? > -Daniel > >> #endif >> } >> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c >> index 7553e47..fa1227e 100644 >> --- a/drivers/gpu/drm/i915/intel_pm.c >> +++ b/drivers/gpu/drm/i915/intel_pm.c >> @@ -3632,10 +3632,14 @@ static void intel_print_rc6_info(struct drm_device *dev, u32 mode) >> else >> mode = 0; >> } >> - DRM_DEBUG_KMS("Enabling RC6 states: RC6 %s, RC6p %s, RC6pp %s\n", >> - (mode & GEN6_RC_CTL_RC6_ENABLE) ? "on" : "off", >> - (mode & GEN6_RC_CTL_RC6p_ENABLE) ? "on" : "off", >> - (mode & GEN6_RC_CTL_RC6pp_ENABLE) ? "on" : "off"); >> + DRM_DEBUG_KMS("Enabling RC6 states: RC6 %s\n", >> + (mode & GEN6_RC_CTL_RC6_ENABLE) ? "on" : "off"); >> + if (HAS_RC6p(dev)) >> + DRM_DEBUG_KMS("Enabling RC6 states: RC6p %s\n", >> + (mode & GEN6_RC_CTL_RC6p_ENABLE) ? "on" : "off"); >> + if (HAS_RC6pp(dev)) >> + DRM_DEBUG_KMS("Enabling RC6 states: RC6pp %s\n", >> + (mode & GEN6_RC_CTL_RC6pp_ENABLE) ? "on" : "off"); >> } >> >> static int sanitize_rc6_option(const struct drm_device *dev, int enable_rc6) >> -- >> 1.9.3 >> >> _______________________________________________ >> Intel-gfx mailing list >> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx >> http://lists.freedesktop.org/mailman/listinfo/intel-gfx > > -- > Daniel Vetter > Software Engineer, Intel Corporation > +41 (0) 79 365 57 48 - http://blog.ffwll.ch > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Rodrigo Vivi Blog: http://blog.vivi.eng.br _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx