Originally this has been introduced in
commit 6eebd6bb5f1ea04f04019e5c39f87a0f17ffb472
Author: Chris Wilson <ch...@chris-wilson.co.uk>
Date: Mon Nov 28 21:10:05 2011 +0000
drm: Fix lack of CRTC disable for drm_crtc_helper_set_config(.fb=NULL)
With the improvements of the output state staging and no longer
overwriting crtc->fb before the hw state is updated we can now handle
crtc disabling as part of the normal modeset sequence.
Signed-Off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
drivers/gpu/drm/i915/intel_display.c | 25 -------------------------
1 file changed, 25 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index a691c76..e0cc193 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6512,30 +6512,6 @@ static bool intel_encoder_crtc_ok(struct drm_encoder
*encoder,
return false;
}
-static int
-intel_crtc_helper_disable(struct drm_crtc *crtc)
-{
- struct drm_device *dev = crtc->dev;
- struct drm_connector *connector;
- struct drm_encoder *encoder;
-
- /* Decouple all encoders and their attached connectors from this crtc */
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
- if (encoder->crtc != crtc)
- continue;
-
- list_for_each_entry(connector,
&dev->mode_config.connector_list, head) {
- if (connector->encoder != encoder)
- continue;
-
- connector->encoder = NULL;
- }
- }
-
- drm_helper_disable_unused_functions(dev);
- return 0;
-}
-
static void
intel_crtc_prepare_encoders(struct drm_device *dev)
{
@@ -6938,7 +6914,6 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
(int)set->num_connectors, set->x, set->y);
} else {
DRM_DEBUG_KMS("[CRTC:%d] [NOFB]\n", set->crtc->base.id);
- return intel_crtc_helper_disable(set->crtc);
}
dev = set->crtc->dev;
--
1.7.10.4
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