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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-27 07:10:40 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-27 07:10:40 -0700
commit8f8b77bfdce811acbcf2248219a7aab5f92de938 (patch)
treec76c736bdb931d5de55a0de20cd9822d7b48ce8b /drivers/gpu/drm/i915/intel_dp.c
parentd602a064f9818819d6c99d99f101bc6b1ae1540d (diff)
parentfea7a08acb13524b47711625eebea40a0ede69a0 (diff)
downloadlwn-8f8b77bfdce811acbcf2248219a7aab5f92de938.tar.gz
lwn-8f8b77bfdce811acbcf2248219a7aab5f92de938.zip
Merge 3.6-rc3 into staging-next
This picks up fixes we want in this branch to allow us to properly test. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 0a56b9ab0f58..a6c426afaa7a 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1174,10 +1174,14 @@ static void ironlake_edp_panel_off(struct intel_dp *intel_dp)
WARN(!intel_dp->want_panel_vdd, "Need VDD to turn off panel\n");
pp = ironlake_get_pp_control(dev_priv);
- pp &= ~(POWER_TARGET_ON | PANEL_POWER_RESET | EDP_BLC_ENABLE);
+ /* We need to switch off panel power _and_ force vdd, for otherwise some
+ * panels get very unhappy and cease to work. */
+ pp &= ~(POWER_TARGET_ON | EDP_FORCE_VDD | PANEL_POWER_RESET | EDP_BLC_ENABLE);
I915_WRITE(PCH_PP_CONTROL, pp);
POSTING_READ(PCH_PP_CONTROL);
+ intel_dp->want_panel_vdd = false;
+
ironlake_wait_panel_off(intel_dp);
}
@@ -1287,11 +1291,9 @@ static void intel_dp_prepare(struct drm_encoder *encoder)
* ensure that we have vdd while we switch off the panel. */
ironlake_edp_panel_vdd_on(intel_dp);
ironlake_edp_backlight_off(intel_dp);
- ironlake_edp_panel_off(intel_dp);
-
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
+ ironlake_edp_panel_off(intel_dp);
intel_dp_link_down(intel_dp);
- ironlake_edp_panel_vdd_off(intel_dp, false);
}
static void intel_dp_commit(struct drm_encoder *encoder)
@@ -1326,11 +1328,9 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
/* Switching the panel off requires vdd. */
ironlake_edp_panel_vdd_on(intel_dp);
ironlake_edp_backlight_off(intel_dp);
- ironlake_edp_panel_off(intel_dp);
-
intel_dp_sink_dpms(intel_dp, mode);
+ ironlake_edp_panel_off(intel_dp);
intel_dp_link_down(intel_dp);
- ironlake_edp_panel_vdd_off(intel_dp, false);
if (is_cpu_edp(intel_dp))
ironlake_edp_pll_off(encoder);