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Date: Fri, 03 Oct 2014 10:24:11 +0200 From: Andrzej Hajda <a.hajda@...sung.com> To: dri-devel@...ts.freedesktop.org (open list:DRM DRIVERS) Cc: Andrzej Hajda <a.hajda@...sung.com>, Marek Szyprowski <m.szyprowski@...sung.com>, David Airlie <airlied@...ux.ie>, Inki Dae <inki.dae@...sung.com>, Joonyoung Shim <jy0922.shim@...sung.com>, Seung-Woo Kim <sw0312.kim@...sung.com>, Kyungmin Park <kyungmin.park@...sung.com>, Kukjin Kim <kgene.kim@...sung.com>, Daniel Vetter <daniel.vetter@...el.com>, Jani Nikula <jani.nikula@...ux.intel.com>, dri-devel@...ts.freedesktop.org (open list:DRM DRIVERS), linux-kernel@...r.kernel.org (open list), linux-samsung-soc@...r.kernel.org (moderated list:ARM/S5P EXYNOS AR...), intel-gfx@...ts.freedesktop.org (open list:INTEL DRM DRIVERS...) Subject: [PATCH RFC 2/4] drm/core: re-enable suspend/resume callbacks for KMS drivers Implementing suspend/resume functionality in componentized drm drivers using master component PM callbacks is problematic because those callbacks can be called asynchronously regardless of existence/state of drm device. The patch re-enables suspend/resume drm driver callbacks in drivers with modeset feature enabled. These callback can be used to implement suspend/resume functionality in more convenient way. The patch should not affect behavior of existing drm drivers. Signed-off-by: Andrzej Hajda <a.hajda@...sung.com> --- drivers/gpu/drm/drm_sysfs.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index cc3d6d6..206afc4 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -45,7 +45,6 @@ static int __drm_class_suspend(struct device *dev, pm_message_t state) struct drm_device *drm_dev = drm_minor->dev; if (drm_minor->type == DRM_MINOR_LEGACY && - !drm_core_check_feature(drm_dev, DRIVER_MODESET) && drm_dev->driver->suspend) return drm_dev->driver->suspend(drm_dev, state); } @@ -86,7 +85,6 @@ static int drm_class_resume(struct device *dev) struct drm_device *drm_dev = drm_minor->dev; if (drm_minor->type == DRM_MINOR_LEGACY && - !drm_core_check_feature(drm_dev, DRIVER_MODESET) && drm_dev->driver->resume) return drm_dev->driver->resume(drm_dev); } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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