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Merge remote branch 'origin/master' into drm-intel-next

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This resolves the conflict in the EDP code, which has been rather
popular to hack on recently.

Conflicts:
	drivers/gpu/drm/i915/intel_dp.c
This commit is contained in:
Eric Anholt
2010-08-01 19:23:53 -07:00
parent a2757b6fab 9fe6206f40
commit 2bd34f6ca8
186 changed files with 1374 additions and 632 deletions
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53
drivers/gpu/drm/i915/intel_dp.c
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@@ -744,6 +744,51 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
}
}
static void ironlake_edp_panel_on (struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long timeout = jiffies + msecs_to_jiffies(5000);
u32 pp, pp_status;
pp_status = I915_READ(PCH_PP_STATUS);
if (pp_status & PP_ON)
return;
pp = I915_READ(PCH_PP_CONTROL);
pp |= PANEL_UNLOCK_REGS | POWER_TARGET_ON;
I915_WRITE(PCH_PP_CONTROL, pp);
do {
pp_status = I915_READ(PCH_PP_STATUS);
} while (((pp_status & PP_ON) == 0) && !time_after(jiffies, timeout));
if (time_after(jiffies, timeout))
DRM_DEBUG_KMS("panel on wait timed out: 0x%08x\n", pp_status);
pp &= ~(PANEL_UNLOCK_REGS | EDP_FORCE_VDD);
I915_WRITE(PCH_PP_CONTROL, pp);
}
static void ironlake_edp_panel_off (struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long timeout = jiffies + msecs_to_jiffies(5000);
u32 pp, pp_status;
pp = I915_READ(PCH_PP_CONTROL);
pp &= ~POWER_TARGET_ON;
I915_WRITE(PCH_PP_CONTROL, pp);
do {
pp_status = I915_READ(PCH_PP_STATUS);
} while ((pp_status & PP_ON) && !time_after(jiffies, timeout));
if (time_after(jiffies, timeout))
DRM_DEBUG_KMS("panel off wait timed out\n");
/* Make sure VDD is enabled so DP AUX will work */
pp |= EDP_FORCE_VDD;
I915_WRITE(PCH_PP_CONTROL, pp);
}
static void ironlake_edp_backlight_on (struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -778,14 +823,18 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
if (mode != DRM_MODE_DPMS_ON) {
if (dp_reg & DP_PORT_EN) {
intel_dp_link_down(intel_encoder, dp_priv->DP);
if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv))
if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) {
ironlake_edp_backlight_off(dev);
ironlake_edp_panel_off(dev);
}
}
} else {
if (!(dp_reg & DP_PORT_EN)) {
intel_dp_link_train(intel_encoder, dp_priv->DP, dp_priv->link_configuration);
if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv))
if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) {
ironlake_edp_panel_on(dev);
ironlake_edp_backlight_on(dev);
}
}
}
dp_priv->dpms_mode = mode;