diff options
| author | Dave Airlie <airlied@redhat.com> | 2014-01-29 12:03:56 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-01-29 12:03:56 +1000 |
| commit | 45ab1e07808585c645bc82afd7487a91390f5511 (patch) | |
| tree | f8585ff6fdd6dcae6a08f13017cc1fc1a1b11ea7 /drivers/gpu/drm/drm_crtc.c | |
| parent | f4b4718b61d1d5a7442a4fd6863ea80c3a10e508 (diff) | |
| parent | 13411ddd319057ae334a4084ebcf2c741b317f34 (diff) | |
Merge tag 'drm/for-3.14-rc1-20140123' of git://anongit.freedesktop.org/tegra/linux into drm-next
drm/tegra: Changes for v3.14-rc1 (update)
These patches fix some issues caused by the DRM panel support from the
previous pull request and add two more panels (for the Toshiba AC100 as
well as the Seaboard and Ventana).
* tag 'drm/for-3.14-rc1-20140123' of git://anongit.freedesktop.org/tegra/linux:
drm/tegra: Obtain head number from DT
drm/panel: update EDID BLOB in panel_simple_get_modes()
gpu: host1x: Remove unnecessary include
drm/tegra: Use proper data type
drm/tegra: Clarify how panel modes override others
drm/tegra: Fix possible CRTC mask for RGB outputs
drm/i915: Use drm_encoder_crtc_ok()
drm: Move drm_encoder_crtc_ok() to core
drm: provide a helper for the encoder possible_crtcs mask
drm/tegra: Don't check resource with devm_ioremap_resource()
drm/panel: Add support for Chunghwa CLAA101WA01A panel
drm/panel: Add support for Samsung LTN101NT05 panel
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 266a01d7f635..3b7d32da1604 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 |