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path: root/drivers/gpu/drm/drm_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r--drivers/gpu/drm/drm_crtc.c41
1 files changed, 0 insertions, 41 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 1593dd6cdfb7..7dabbaf033a1 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -93,15 +93,6 @@ struct drm_crtc *drm_crtc_from_index(struct drm_device *dev, int idx)
93} 93}
94EXPORT_SYMBOL(drm_crtc_from_index); 94EXPORT_SYMBOL(drm_crtc_from_index);
95 95
96/**
97 * drm_crtc_force_disable - Forcibly turn off a CRTC
98 * @crtc: CRTC to turn off
99 *
100 * Note: This should only be used by non-atomic legacy drivers.
101 *
102 * Returns:
103 * Zero on success, error code on failure.
104 */
105int drm_crtc_force_disable(struct drm_crtc *crtc) 96int drm_crtc_force_disable(struct drm_crtc *crtc)
106{ 97{
107 struct drm_mode_set set = { 98 struct drm_mode_set set = {
@@ -112,38 +103,6 @@ int drm_crtc_force_disable(struct drm_crtc *crtc)
112 103
113 return drm_mode_set_config_internal(&set); 104 return drm_mode_set_config_internal(&set);
114} 105}
115EXPORT_SYMBOL(drm_crtc_force_disable);
116
117/**
118 * drm_crtc_force_disable_all - Forcibly turn off all enabled CRTCs
119 * @dev: DRM device whose CRTCs to turn off
120 *
121 * Drivers may want to call this on unload to ensure that all displays are
122 * unlit and the GPU is in a consistent, low power state. Takes modeset locks.
123 *
124 * Note: This should only be used by non-atomic legacy drivers. For an atomic
125 * version look at drm_atomic_helper_shutdown().
126 *
127 * Returns:
128 * Zero on success, error code on failure.
129 */
130int drm_crtc_force_disable_all(struct drm_device *dev)
131{
132 struct drm_crtc *crtc;
133 int ret = 0;
134
135 drm_modeset_lock_all(dev);
136 drm_for_each_crtc(crtc, dev)
137 if (crtc->enabled) {
138 ret = drm_crtc_force_disable(crtc);
139 if (ret)
140 goto out;
141 }
142out:
143 drm_modeset_unlock_all(dev);
144 return ret;
145}
146EXPORT_SYMBOL(drm_crtc_force_disable_all);
147 106
148static unsigned int drm_num_crtcs(struct drm_device *dev) 107static unsigned int drm_num_crtcs(struct drm_device *dev)
149{ 108{