diff options
| author | Jesse Barnes <jbarnes@virtuousgeek.org> | 2010-10-07 16:01:09 -0700 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-10-08 09:21:50 +0100 |
| commit | 814948adec172dbc41252b1815e4e83aedfe91b9 (patch) | |
| tree | 295e5ea7bb3f7878925febee6fd5fece9e92eebb | |
| parent | 51190667b3c6927356e594cdf6955980ff47bb16 (diff) | |
drm/i915: add eDP checking functions for the display code
The display code needs to distinguish between CPU and PCH attached eDP
panels, so add some helpers to handle that.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 1 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 714e553960fd..da71263f6fab 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -95,6 +95,25 @@ static struct intel_dp *intel_attached_dp(struct drm_connector *connector) struct intel_dp, base); } +/** + * intel_encoder_is_pch_edp - is the given encoder a PCH attached eDP? + * @encoder: DRM encoder + * + * Return true if @encoder corresponds to a PCH attached eDP panel. Needed + * by intel_display.c. + */ +bool intel_encoder_is_pch_edp(struct drm_encoder *encoder) +{ + struct intel_dp *intel_dp; + + if (!encoder) + return false; + + intel_dp = enc_to_intel_dp(encoder); + + return is_pch_edp(intel_dp); +} + static void intel_dp_start_link_train(struct intel_dp *intel_dp); static void intel_dp_complete_link_train(struct intel_dp *intel_dp); static void intel_dp_link_down(struct intel_dp *intel_dp); diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 40e99bf27ff7..c946c48b472f 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -212,6 +212,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, extern bool intel_pch_has_edp(struct drm_crtc *crtc); extern bool intel_dpd_is_edp(struct drm_device *dev); extern void intel_edp_link_config (struct intel_encoder *, int *, int *); +extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder); /* intel_panel.c */ extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode, |