diff options
| author | Keith Packard <keithp@keithp.com> | 2011-09-28 16:44:14 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2011-10-05 19:56:52 -0700 |
| commit | f58ff8549ec0dba61aa7f2510559bce814507316 (patch) | |
| tree | b869a9191a12f8afc258992e1fe2db349729e2d4 /drivers/gpu/drm/i915/intel_dp.c | |
| parent | 0b5c541b93792ddd7fe34a450c76377ffad7bef3 (diff) | |
| download | lwn-f58ff8549ec0dba61aa7f2510559bce814507316.tar.gz lwn-f58ff8549ec0dba61aa7f2510559bce814507316.zip | |
drm/i915: Ensure eDP powered up during DP_SET_POWER operation in dp_prepare
Any call to intel_dp_sink_dpms must ensure that the panel has power so
that the DP_SET_POWER operation will be correctly received. The only
one missing this was in intel_dp_prepare.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 2b4acfda21cc..a178414d5d67 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1039,7 +1039,9 @@ static void intel_dp_prepare(struct drm_encoder *encoder) struct drm_device *dev = encoder->dev; /* Wake up the sink first */ + ironlake_edp_panel_vdd_on(intel_dp); intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); + ironlake_edp_panel_vdd_off(intel_dp); if (is_edp(intel_dp)) { ironlake_edp_backlight_off(dev); |