From: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Use the new AUX port irq bits where needed.
v2: Rebase on top of upstream changes
v3: Rebase on top of Oscar change to write IIR as soon as possible (Damien)
v4: Rebase on top of the for_each_pipe() change adding dev_priv as first
argument (Damien)
Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_irq.c | 17 +++++++++++++----
drivers/gpu/drm/i915/i915_reg.h | 3 +++
2 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 729e9a3..320b310 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2221,6 +2221,11 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg)
irqreturn_t ret = IRQ_NONE;
uint32_t tmp = 0;
enum pipe pipe;
+ u32 aux_mask = GEN8_AUX_CHANNEL_A;
+
+ if (IS_GEN9(dev))
+ aux_mask |= GEN9_AUX_CHANNEL_B | GEN9_AUX_CHANNEL_C |
+ GEN9_AUX_CHANNEL_D;
master_ctl = I915_READ(GEN8_MASTER_IRQ);
master_ctl &= ~GEN8_MASTER_IRQ_CONTROL;
@@ -2253,7 +2258,8 @@ static irqreturn_t gen8_irq_handler(int irq, void *arg)
if (tmp) {
I915_WRITE(GEN8_DE_PORT_IIR, tmp);
ret = IRQ_HANDLED;
- if (tmp & GEN8_AUX_CHANNEL_A)
+
+ if (tmp & aux_mask)
dp_aux_irq_handler(dev);
else
DRM_ERROR("Unexpected DE Port interrupt\n");
@@ -3487,11 +3493,14 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv)
uint32_t de_pipe_masked = GEN8_PIPE_CDCLK_CRC_DONE;
uint32_t de_pipe_enables;
int pipe;
+ u32 aux_en = GEN8_AUX_CHANNEL_A;
- if (IS_GEN9(dev_priv))
+ if (IS_GEN9(dev_priv)) {
de_pipe_masked |= GEN9_PIPE_PLANE1_FLIP_DONE |
GEN9_DE_PIPE_IRQ_FAULT_ERRORS;
- else
+ aux_en |= GEN9_AUX_CHANNEL_B | GEN9_AUX_CHANNEL_C |
+ GEN9_AUX_CHANNEL_D;
+ } else
de_pipe_masked |= GEN8_PIPE_PRIMARY_FLIP_DONE |
GEN8_DE_PIPE_IRQ_FAULT_ERRORS;
@@ -3509,7 +3518,7 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv)
dev_priv->de_irq_mask[pipe],
de_pipe_enables);
- GEN5_IRQ_INIT(GEN8_DE_PORT_, ~GEN8_AUX_CHANNEL_A, GEN8_AUX_CHANNEL_A);
+ GEN5_IRQ_INIT(GEN8_DE_PORT_, ~aux_en, aux_en);
}
static int gen8_irq_postinstall(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 53121e9..923994b 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5072,6 +5072,9 @@ enum punit_power_well {
#define GEN8_DE_PORT_IIR 0x44448
#define GEN8_DE_PORT_IER 0x4444c
#define GEN8_PORT_DP_A_HOTPLUG (1 << 3)
+#define GEN9_AUX_CHANNEL_D (1 << 27)
+#define GEN9_AUX_CHANNEL_C (1 << 26)
+#define GEN9_AUX_CHANNEL_B (1 << 25)
#define GEN8_AUX_CHANNEL_A (1 << 0)
#define GEN8_DE_MISC_ISR 0x44460
--
1.8.3.1
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