Like we already do for the LVDS panels. This seems to help greatly in setting up the backlight, since the BIOS might refuse to cooperate.
Signed-off-by: Daniel Vetter <[email protected]> --- drivers/gpu/drm/i915/intel_dp.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 265cec1..49846c0 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1128,6 +1128,8 @@ static void ironlake_edp_panel_off(struct intel_dp *intel_dp) DRM_DEBUG_KMS("Turn eDP power off\n"); + intel_panel_disable_backlight(dev); + WARN(!intel_dp->want_panel_vdd, "Need VDD to turn off panel\n"); pp = ironlake_get_pp_control(dev_priv); @@ -1146,6 +1148,7 @@ static void ironlake_edp_backlight_on(struct intel_dp *intel_dp) { struct drm_device *dev = intel_dp->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; + int pipe = to_intel_crtc(intel_dp->base.base.crtc)->pipe; u32 pp; if (!is_edp(intel_dp)) @@ -1163,6 +1166,8 @@ static void ironlake_edp_backlight_on(struct intel_dp *intel_dp) pp |= EDP_BLC_ENABLE; I915_WRITE(PCH_PP_CONTROL, pp); POSTING_READ(PCH_PP_CONTROL); + + intel_panel_enable_backlight(dev, pipe); } static void ironlake_edp_backlight_off(struct intel_dp *intel_dp) -- 1.7.11.4 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
