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drm.7971
0146-drm-sun4i-Implement-drm_driver-lastclose-t...
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File 0146-drm-sun4i-Implement-drm_driver-lastclose-to-restore-.patch of Package drm.7971
From 0fda166fcec852b4008d9256189cef8947041af2 Mon Sep 17 00:00:00 2001 From: Jonathan Liu <net147@gmail.com> Date: Mon, 10 Jul 2017 16:55:04 +1000 Subject: [PATCH] drm/sun4i: Implement drm_driver lastclose to restore fbdev console commit 2a596fc9d974bb040eda9ab70bf8756fcaaa6afe upstream. The drm_driver lastclose callback is called when the last userspace DRM client has closed. Call drm_fbdev_cma_restore_mode to restore the fbdev console otherwise the fbdev console will stop working. Fixes: 9026e0d122ac ("drm: Add Allwinner A10 Display Engine support") Tested-by: Olliver Schinagl <oliver@schinagl.nl> Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jonathan Liu <net147@gmail.com> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> [net147@gmail.com: Backport to 4.9, minor context change] Signed-off-by: Jonathan Liu <net147@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/gpu/drm/sun4i/sun4i_drv.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -47,6 +47,13 @@ static void sun4i_drv_disable_vblank(str sun4i_tcon_enable_vblank(tcon, false); } +static void sun4i_drv_lastclose(struct drm_device *dev) +{ + struct sun4i_drv *drv = dev->dev_private; + + drm_fbdev_cma_restore_mode(drv->fbdev); +} + static const struct file_operations sun4i_drv_fops = { .owner = THIS_MODULE, .open = drm_open, @@ -65,6 +72,7 @@ static struct drm_driver sun4i_drv_drive .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_ATOMIC, /* Generic Operations */ + .lastclose = sun4i_drv_lastclose, .fops = &sun4i_drv_fops, .name = "sun4i-drm", .desc = "Allwinner sun4i Display Engine",
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