[Intel-gfx] [PATCH] drm/i915: Catch GTT fault errors for gen11+ planes

[Matt Roper]

Gen11+ has more hardware planes than gen9 so we need to test additional
pipe interrupt register bits to recognize any GTT faults that happen on
these extra planes.

Bspec: 50335
Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/i915/i915_irq.c | 4 +++-
 drivers/gpu/drm/i915/i915_reg.h | 8 ++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index f2371b6083c6..5499450c1524 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2589,7 +2589,9 @@ static u32 gen8_de_port_aux_mask(struct drm_i915_private *dev_priv)
 
 static u32 gen8_de_pipe_fault_mask(struct drm_i915_private *dev_priv)
 {
-	if (INTEL_GEN(dev_priv) >= 9)
+	if (INTEL_GEN(dev_priv) >= 11)
+		return GEN11_DE_PIPE_IRQ_FAULT_ERRORS;
+	else if (INTEL_GEN(dev_priv) >= 9)
 		return GEN9_DE_PIPE_IRQ_FAULT_ERRORS;
 	else
 		return GEN8_DE_PIPE_IRQ_FAULT_ERRORS;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 6d67bd238cfe..24311fee7009 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7373,6 +7373,9 @@ enum {
 #define  GEN8_PIPE_VSYNC		(1 << 1)
 #define  GEN8_PIPE_VBLANK		(1 << 0)
 #define  GEN9_PIPE_CURSOR_FAULT		(1 << 11)
+#define  GEN11_PIPE_PLANE7_FAULT	(1 << 22)
+#define  GEN11_PIPE_PLANE6_FAULT	(1 << 21)
+#define  GEN11_PIPE_PLANE5_FAULT	(1 << 20)
 #define  GEN9_PIPE_PLANE4_FAULT		(1 << 10)
 #define  GEN9_PIPE_PLANE3_FAULT		(1 << 9)
 #define  GEN9_PIPE_PLANE2_FAULT		(1 << 8)
@@ -7392,6 +7395,11 @@ enum {
 	 GEN9_PIPE_PLANE3_FAULT | \
 	 GEN9_PIPE_PLANE2_FAULT | \
 	 GEN9_PIPE_PLANE1_FAULT)
+#define GEN11_DE_PIPE_IRQ_FAULT_ERRORS \
+	(GEN9_DE_PIPE_IRQ_FAULT_ERRORS | \
+	 GEN11_PIPE_PLANE7_FAULT | \
+	 GEN11_PIPE_PLANE6_FAULT | \
+	 GEN11_PIPE_PLANE5_FAULT)
 
 #define GEN8_DE_PORT_ISR _MMIO(0x44440)
 #define GEN8_DE_PORT_IMR _MMIO(0x44444)
-- 
2.21.0