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| author | Keith Packard | 2011-10-06 04:53:09 +0200 |
|---|---|---|
| committer | Keith Packard | 2011-10-06 04:54:29 +0200 |
| commit | 245e2708773796aaa13e97523e035676b008b337 (patch) | |
| tree | 5148a6082bdd8c0ad1c4a7f3b4bbf89233c2d25b /drivers/gpu/drm/i915 | |
| parent | drm/i915: Turn force VDD back off when panel running in intel_dp_dpms (diff) | |
| download | kernel-qcow2-linux-245e2708773796aaa13e97523e035676b008b337.tar.gz kernel-qcow2-linux-245e2708773796aaa13e97523e035676b008b337.tar.xz kernel-qcow2-linux-245e2708773796aaa13e97523e035676b008b337.zip | |
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')
| -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 7e59f060a03b..68bcd77962e9 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); |