diff options
| author | Keith Packard <keithp@keithp.com> | 2011-10-05 19:53:09 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2011-10-05 19:54:29 -0700 |
| commit | 245e2708773796aaa13e97523e035676b008b337 (patch) | |
| tree | 5148a6082bdd8c0ad1c4a7f3b4bbf89233c2d25b /drivers/gpu/drm/i915/intel_dp.c | |
| parent | bee7eb2da2fb50ccf76cb7596d20e90d28de040c (diff) | |
drm/i915: Ensure panel is on during DPMS off
If the panel is already off, we'll need to turn VDD on to execute the
(useless) DPMS off code. Yes, it would be better to just not do any of
this, but correctness, and *then* performance.
Signed-off-by: Keith Packard <keithp@keithp.com>
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 7e59f060a03..68bcd77962e 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1073,6 +1073,7 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode) uint32_t dp_reg = I915_READ(intel_dp->output_reg); if (mode != DRM_MODE_DPMS_ON) { + ironlake_edp_panel_vdd_on(intel_dp); if (is_edp(intel_dp)) ironlake_edp_backlight_off(dev); intel_dp_sink_dpms(intel_dp, mode); @@ -1080,6 +1081,7 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode) ironlake_edp_panel_off(dev); if (is_edp(intel_dp) && !is_pch_edp(intel_dp)) ironlake_edp_pll_off(encoder); + ironlake_edp_panel_vdd_off(intel_dp); } else { ironlake_edp_panel_vdd_on(intel_dp); intel_dp_sink_dpms(intel_dp, mode); |