[Intel-gfx] [PATCH 08/21] drm/i915: Turn force VDD back off when panel running in intel_dp_dpms

Keith Packard keithp at keithp.com
Fri Sep 30 03:09:40 CEST 2011


The VDD force bit is turned on before touching the panel, but if it
was enabled, there was no call to turn it back off. Add a call.

Signed-off-by: Keith Packard <keithp at keithp.com>
---
 drivers/gpu/drm/i915/intel_dp.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index da725d8..b915fc3 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1080,7 +1080,8 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
 				ironlake_edp_panel_on(intel_dp);
 			ironlake_edp_panel_vdd_off(intel_dp);
 			intel_dp_complete_link_train(intel_dp);
-		}
+		} else
+			ironlake_edp_panel_vdd_off(intel_dp);
 		if (is_edp(intel_dp))
 			ironlake_edp_backlight_on(dev);
 	}
-- 
1.7.6.3




More information about the Intel-gfx mailing list