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authorDaniel Vetter <daniel.vetter@ffwll.ch>2017-02-26 23:34:42 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-02-26 23:34:42 +0300
commit8e22e1b3499a446df48c2b26667ca36c55bf864c (patch)
tree5329f98b3eb3c95a9dcbab0fa4f9b6e62f0e788d /drivers/gpu/drm/i915/i915_irq.c
parent00d3c14f14d51babd8aeafd5fa734ccf04f5ca3d (diff)
parent64a577196d66b44e37384bc5c4d78c61f59d5b2a (diff)
downloadlinux-8e22e1b3499a446df48c2b26667ca36c55bf864c.tar.xz
Merge airlied/drm-next into drm-misc-next
Backmerge the main pull request to sync up with all the newly landed drivers. Otherwise we'll have chaos even before 4.12 started in earnest. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c69
1 files changed, 50 insertions, 19 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index ee313247673b..53bb7de6020d 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3123,19 +3123,16 @@ static void ibx_hpd_irq_setup(struct drm_i915_private *dev_priv)
I915_WRITE(PCH_PORT_HOTPLUG, hotplug);
}
-static void spt_hpd_irq_setup(struct drm_i915_private *dev_priv)
+static void spt_hpd_detection_setup(struct drm_i915_private *dev_priv)
{
- u32 hotplug_irqs, hotplug, enabled_irqs;
-
- hotplug_irqs = SDE_HOTPLUG_MASK_SPT;
- enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_spt);
-
- ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs);
+ u32 hotplug;
/* Enable digital hotplug on the PCH */
hotplug = I915_READ(PCH_PORT_HOTPLUG);
- hotplug |= PORTD_HOTPLUG_ENABLE | PORTC_HOTPLUG_ENABLE |
- PORTB_HOTPLUG_ENABLE | PORTA_HOTPLUG_ENABLE;
+ hotplug |= PORTA_HOTPLUG_ENABLE |
+ PORTB_HOTPLUG_ENABLE |
+ PORTC_HOTPLUG_ENABLE |
+ PORTD_HOTPLUG_ENABLE;
I915_WRITE(PCH_PORT_HOTPLUG, hotplug);
hotplug = I915_READ(PCH_PORT_HOTPLUG2);
@@ -3143,6 +3140,18 @@ static void spt_hpd_irq_setup(struct drm_i915_private *dev_priv)
I915_WRITE(PCH_PORT_HOTPLUG2, hotplug);
}
+static void spt_hpd_irq_setup(struct drm_i915_private *dev_priv)
+{
+ u32 hotplug_irqs, enabled_irqs;
+
+ hotplug_irqs = SDE_HOTPLUG_MASK_SPT;
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_spt);
+
+ ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs);
+
+ spt_hpd_detection_setup(dev_priv);
+}
+
static void ilk_hpd_irq_setup(struct drm_i915_private *dev_priv)
{
u32 hotplug_irqs, hotplug, enabled_irqs;
@@ -3177,18 +3186,15 @@ static void ilk_hpd_irq_setup(struct drm_i915_private *dev_priv)
ibx_hpd_irq_setup(dev_priv);
}
-static void bxt_hpd_irq_setup(struct drm_i915_private *dev_priv)
+static void __bxt_hpd_detection_setup(struct drm_i915_private *dev_priv,
+ u32 enabled_irqs)
{
- u32 hotplug_irqs, hotplug, enabled_irqs;
-
- enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_bxt);
- hotplug_irqs = BXT_DE_PORT_HOTPLUG_MASK;
-
- bdw_update_port_irq(dev_priv, hotplug_irqs, enabled_irqs);
+ u32 hotplug;
hotplug = I915_READ(PCH_PORT_HOTPLUG);
- hotplug |= PORTC_HOTPLUG_ENABLE | PORTB_HOTPLUG_ENABLE |
- PORTA_HOTPLUG_ENABLE;
+ hotplug |= PORTA_HOTPLUG_ENABLE |
+ PORTB_HOTPLUG_ENABLE |
+ PORTC_HOTPLUG_ENABLE;
DRM_DEBUG_KMS("Invert bit setting: hp_ctl:%x hp_port:%x\n",
hotplug, enabled_irqs);
@@ -3198,7 +3204,6 @@ static void bxt_hpd_irq_setup(struct drm_i915_private *dev_priv)
* For BXT invert bit has to be set based on AOB design
* for HPD detection logic, update it based on VBT fields.
*/
-
if ((enabled_irqs & BXT_DE_PORT_HP_DDIA) &&
intel_bios_is_port_hpd_inverted(dev_priv, PORT_A))
hotplug |= BXT_DDIA_HPD_INVERT;
@@ -3212,6 +3217,23 @@ static void bxt_hpd_irq_setup(struct drm_i915_private *dev_priv)
I915_WRITE(PCH_PORT_HOTPLUG, hotplug);
}
+static void bxt_hpd_detection_setup(struct drm_i915_private *dev_priv)
+{
+ __bxt_hpd_detection_setup(dev_priv, BXT_DE_PORT_HOTPLUG_MASK);
+}
+
+static void bxt_hpd_irq_setup(struct drm_i915_private *dev_priv)
+{
+ u32 hotplug_irqs, enabled_irqs;
+
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_bxt);
+ hotplug_irqs = BXT_DE_PORT_HOTPLUG_MASK;
+
+ bdw_update_port_irq(dev_priv, hotplug_irqs, enabled_irqs);
+
+ __bxt_hpd_detection_setup(dev_priv, enabled_irqs);
+}
+
static void ibx_irq_postinstall(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = to_i915(dev);
@@ -3227,6 +3249,12 @@ static void ibx_irq_postinstall(struct drm_device *dev)
gen5_assert_iir_is_zero(dev_priv, SDEIIR);
I915_WRITE(SDEIMR, ~mask);
+
+ if (HAS_PCH_IBX(dev_priv) || HAS_PCH_CPT(dev_priv) ||
+ HAS_PCH_LPT(dev_priv))
+ ; /* TODO: Enable HPD detection on older PCH platforms too */
+ else
+ spt_hpd_detection_setup(dev_priv);
}
static void gen5_gt_irq_postinstall(struct drm_device *dev)
@@ -3438,6 +3466,9 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv)
GEN5_IRQ_INIT(GEN8_DE_PORT_, ~de_port_masked, de_port_enables);
GEN5_IRQ_INIT(GEN8_DE_MISC_, ~de_misc_masked, de_misc_masked);
+
+ if (IS_GEN9_LP(dev_priv))
+ bxt_hpd_detection_setup(dev_priv);
}
static int gen8_irq_postinstall(struct drm_device *dev)