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authorOlof Johansson <olof@lixom.net>2012-09-05 15:35:48 -0700
committerOlof Johansson <olof@lixom.net>2012-09-05 15:35:48 -0700
commit1875962377574b4edb7b164001e3e341c25290d5 (patch)
tree374a5299403ec21e2d9a66a6548ce876a388b589 /drivers/gpu/drm/i915/intel_dp.c
parent5cbee140a28c2746449ae31e85738043ae4da927 (diff)
parentc88a79a7789b2909ad1cf69ea2c9142030bbd6f4 (diff)
downloadop-kernel-dev-1875962377574b4edb7b164001e3e341c25290d5.zip
op-kernel-dev-1875962377574b4edb7b164001e3e341c25290d5.tar.gz
Merge branch 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
* 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: mach-shmobile: Add compilation support for dtbs using 'make dtbs' + sync to 3.6-rc3
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 0a56b9a..a6c426a 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);
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