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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-01-30 12:56:51 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-01-30 12:56:51 +0100 |
| commit | e515b47e5646154448e46231d811919d93923da5 (patch) | |
| tree | 1b10297d37170a1e00b4f2211f4296c2b0020f8d /drivers/gpu/drm/drm_crtc.c | |
| parent | c2c1d4912cd7028384d7f25d2faefefb8958f64d (diff) | |
| parent | ef64cf9d06049e4e9df661f3be60b217e476bee1 (diff) | |
Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued
Backmerge drm-next - I need to backmerge drm-intel-fixes patches
touching the error capture code to be able to merge Ben's cleanup
patches.
Conflicts:
drivers/gpu/drm/i915/i915_gpu_error.c
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 266a01d7f63..3b7d32da160 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -675,6 +675,29 @@ void drm_crtc_cleanup(struct drm_crtc *crtc) EXPORT_SYMBOL(drm_crtc_cleanup); /** + * drm_crtc_index - find the index of a registered CRTC + * @crtc: CRTC to find index for + * + * Given a registered CRTC, return the index of that CRTC within a DRM + * device's list of CRTCs. + */ +unsigned int drm_crtc_index(struct drm_crtc *crtc) +{ + unsigned int index = 0; + struct drm_crtc *tmp; + + list_for_each_entry(tmp, &crtc->dev->mode_config.crtc_list, head) { + if (tmp == crtc) + return index; + + index++; + } + + BUG(); +} +EXPORT_SYMBOL(drm_crtc_index); + +/** * drm_mode_probed_add - add a mode to a connector's probed mode list * @connector: connector the new mode * @mode: mode data |