On 12 August 2015 at 15:37, Thierry Reding thierry.reding@gmail.com wrote:
From: Thierry Reding treding@nvidia.com
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
Signed-off-by: Thierry Reding treding@nvidia.com
drivers/gpu/drm/tegra/drm.c | 11 +++++++++++ drivers/gpu/drm/tegra/drm.h | 4 ++++ drivers/gpu/drm/tegra/fb.c | 24 ++++++++++++++++++++++++ 3 files changed, 39 insertions(+)
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index b5f24c0f93dc..10d62e3077de 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -1022,8 +1022,16 @@ static int host1x_drm_remove(struct host1x_device *dev) static int host1x_drm_suspend(struct device *dev) { struct drm_device *drm = dev_get_drvdata(dev);
struct tegra_drm *tegra = drm->dev_private; drm_kms_helper_poll_disable(drm);tegra_drm_fb_suspend(drm);tegra->state = drm_atomic_helper_suspend(drm);if (IS_ERR(tegra->state)) {
I'd assume that tegra_drm_fb_resume(drm) should be used here ?
drm_kms_helper_poll_enable(drm);return PTR_ERR(tegra->state);} return 0;}
Cheers Emil