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| author | Thierry Reding <treding@nvidia.com> | 2015-08-11 14:11:49 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2015-12-14 12:50:39 +0300 |
| commit | 986c58d1625df222c6148c1dc72e59fbf96ef75e (patch) | |
| tree | 28de546e7a1aee38e62c2ddfc8b7b827c23358bb /drivers/gpu/drm/tegra/fb.c | |
| parent | 01b9bea0c2616e92334cfa3e052862527bf25d36 (diff) | |
| download | linux-986c58d1625df222c6148c1dc72e59fbf96ef75e.tar.xz | |
drm/tegra: Implement subsystem-level suspend/resume
Use the drm_atomic_helper_suspend() and drm_atomic_helper_resume()
helpers to implement subsystem-level suspend/resume.
v2: suspend framebuffer device to avoid concurrency issues
v3: resume fbdev on failure to suspend (Emil Velikov)
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/fb.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/fb.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c index ede9e94f3312..a7213f30fb20 100644 --- a/drivers/gpu/drm/tegra/fb.c +++ b/drivers/gpu/drm/tegra/fb.c @@ -10,6 +10,8 @@ * published by the Free Software Foundation. */ +#include <linux/console.h> + #include "drm.h" #include "gem.h" @@ -413,3 +415,25 @@ void tegra_drm_fb_exit(struct drm_device *drm) tegra_fbdev_exit(tegra->fbdev); #endif } + +void tegra_drm_fb_suspend(struct drm_device *drm) +{ +#ifdef CONFIG_DRM_FBDEV_EMULATION + struct tegra_drm *tegra = drm->dev_private; + + console_lock(); + drm_fb_helper_set_suspend(&tegra->fbdev->base, 1); + console_unlock(); +#endif +} + +void tegra_drm_fb_resume(struct drm_device *drm) +{ +#ifdef CONFIG_DRM_FBDEV_EMULATION + struct tegra_drm *tegra = drm->dev_private; + + console_lock(); + drm_fb_helper_set_suspend(&tegra->fbdev->base, 0); + console_unlock(); +#endif +} |