From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
On SKL the port A HPD has moved to the PCH. Hook it up.
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_irq.c | 21 +++++++++++++++++++--
drivers/gpu/drm/i915/i915_reg.h | 4 +++-
2 files changed, 22 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 4d1533c..53e51b5 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -74,6 +74,7 @@ static const u32 hpd_cpt[HPD_NUM_PINS] = {
};
static const u32 hpd_spt[HPD_NUM_PINS] = {
+ [HPD_PORT_A] = SDE_PORTA_HOTPLUG_SPT,
[HPD_PORT_B] = SDE_PORTB_HOTPLUG_CPT,
[HPD_PORT_C] = SDE_PORTC_HOTPLUG_CPT,
[HPD_PORT_D] = SDE_PORTD_HOTPLUG_CPT,
@@ -1316,6 +1317,22 @@ static bool spt_port_hotplug2_long_detect(enum port port, u32 val)
}
}
+static bool spt_port_hotplug_long_detect(enum port port, u32 val)
+{
+ switch (port) {
+ case PORT_A:
+ return val & PORTA_HOTPLUG_LONG_DETECT;
+ case PORT_B:
+ return val & PORTB_HOTPLUG_LONG_DETECT;
+ case PORT_C:
+ return val & PORTC_HOTPLUG_LONG_DETECT;
+ case PORT_D:
+ return val & PORTD_HOTPLUG_LONG_DETECT;
+ default:
+ return false;
+ }
+}
+
static bool ilk_port_hotplug_long_detect(enum port port, u32 val)
{
switch (port) {
@@ -1893,7 +1910,7 @@ static void spt_irq_handler(struct drm_device *dev, u32 pch_iir)
intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger,
dig_hotplug_reg, hpd_spt,
- pch_port_hotplug_long_detect);
+ spt_port_hotplug_long_detect);
}
if (hotplug2_trigger) {
@@ -3197,7 +3214,7 @@ static void spt_hpd_irq_setup(struct drm_device *dev)
/* Enable digital hotplug on the PCH */
hotplug = I915_READ(PCH_PORT_HOTPLUG);
hotplug |= PORTD_HOTPLUG_ENABLE | PORTC_HOTPLUG_ENABLE |
- PORTB_HOTPLUG_ENABLE;
+ PORTB_HOTPLUG_ENABLE | PORTA_HOTPLUG_ENABLE;
I915_WRITE(PCH_PORT_HOTPLUG, hotplug);
hotplug = I915_READ(PCH_PORT_HOTPLUG2);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 59f0ba1..0fc8888 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5974,6 +5974,7 @@ enum skl_disp_power_wells {
#define SDE_AUXB_CPT (1 << 25)
#define SDE_AUX_MASK_CPT (7 << 25)
#define SDE_PORTE_HOTPLUG_SPT (1 << 25)
+#define SDE_PORTA_HOTPLUG_SPT (1 << 24)
#define SDE_PORTD_HOTPLUG_CPT (1 << 23)
#define SDE_PORTC_HOTPLUG_CPT (1 << 22)
#define SDE_PORTB_HOTPLUG_CPT (1 << 21)
@@ -5987,7 +5988,8 @@ enum skl_disp_power_wells {
#define SDE_HOTPLUG_MASK_SPT (SDE_PORTE_HOTPLUG_SPT | \
SDE_PORTD_HOTPLUG_CPT | \
SDE_PORTC_HOTPLUG_CPT | \
- SDE_PORTB_HOTPLUG_CPT)
+ SDE_PORTB_HOTPLUG_CPT | \
+ SDE_PORTA_HOTPLUG_SPT)
#define SDE_GMBUS_CPT (1 << 17)
#define SDE_ERROR_CPT (1 << 16)
#define SDE_AUDIO_CP_REQ_C_CPT (1 << 10)
--
2.4.6
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