[PATCH 01/16] drm/i915: Don't enable/unmask flip interrupts

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

commit fd3a40242e87 ("drm/i915: Rip out legacy page_flip completion/irq
handling") removed the code to hande the flip done/pending interrupts,
but it failed to actually disable/mask those interrupts. Let's do that
now.

Also remove a stale comment that was left behind.

Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_irq.c | 34 ++++++++--------------------------
 1 file changed, 8 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index e21ce9c18b6e..4bfa7fbbd72e 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2925,8 +2925,7 @@ static void vlv_display_irq_postinstall(struct drm_i915_private *dev_priv)
 	u32 enable_mask;
 	enum pipe pipe;
 
-	pipestat_mask = PLANE_FLIP_DONE_INT_STATUS_VLV |
-			PIPE_CRC_DONE_INTERRUPT_STATUS;
+	pipestat_mask = PIPE_CRC_DONE_INTERRUPT_STATUS;
 
 	i915_enable_pipestat(dev_priv, PIPE_A, PIPE_GMBUS_INTERRUPT_STATUS);
 	for_each_pipe(dev_priv, pipe)
@@ -3299,18 +3298,14 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
 
 	if (INTEL_GEN(dev_priv) >= 7) {
 		display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE_IVB |
-				DE_PCH_EVENT_IVB | DE_PLANEC_FLIP_DONE_IVB |
-				DE_PLANEB_FLIP_DONE_IVB |
-				DE_PLANEA_FLIP_DONE_IVB | DE_AUX_CHANNEL_A_IVB);
+				DE_PCH_EVENT_IVB | DE_AUX_CHANNEL_A_IVB);
 		extra_mask = (DE_PIPEC_VBLANK_IVB | DE_PIPEB_VBLANK_IVB |
 			      DE_PIPEA_VBLANK_IVB | DE_ERR_INT_IVB |
 			      DE_DP_A_HOTPLUG_IVB);
 	} else {
 		display_mask = (DE_MASTER_IRQ_CONTROL | DE_GSE | DE_PCH_EVENT |
-				DE_PLANEA_FLIP_DONE | DE_PLANEB_FLIP_DONE |
-				DE_AUX_CHANNEL_A |
-				DE_PIPEB_CRC_DONE | DE_PIPEA_CRC_DONE |
-				DE_POISON);
+				DE_AUX_CHANNEL_A | DE_PIPEB_CRC_DONE |
+				DE_PIPEA_CRC_DONE | DE_POISON);
 		extra_mask = (DE_PIPEA_VBLANK | DE_PIPEB_VBLANK | DE_PCU_EVENT |
 			      DE_PIPEB_FIFO_UNDERRUN | DE_PIPEA_FIFO_UNDERRUN |
 			      DE_DP_A_HOTPLUG);
@@ -3432,15 +3427,13 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv)
 	enum pipe pipe;
 
 	if (INTEL_GEN(dev_priv) >= 9) {
-		de_pipe_masked |= GEN9_PIPE_PLANE1_FLIP_DONE |
-				  GEN9_DE_PIPE_IRQ_FAULT_ERRORS;
+		de_pipe_masked |= GEN9_DE_PIPE_IRQ_FAULT_ERRORS;
 		de_port_masked |= GEN9_AUX_CHANNEL_B | GEN9_AUX_CHANNEL_C |
 				  GEN9_AUX_CHANNEL_D;
 		if (IS_GEN9_LP(dev_priv))
 			de_port_masked |= BXT_DE_PORT_GMBUS;
 	} else {
-		de_pipe_masked |= GEN8_PIPE_PRIMARY_FLIP_DONE |
-				  GEN8_DE_PIPE_IRQ_FAULT_ERRORS;
+		de_pipe_masked |= GEN8_DE_PIPE_IRQ_FAULT_ERRORS;
 	}
 
 	de_pipe_enables = de_pipe_masked | GEN8_PIPE_VBLANK |
@@ -3590,9 +3583,7 @@ static int i8xx_irq_postinstall(struct drm_device *dev)
 	/* Unmask the interrupts that we always want on. */
 	dev_priv->irq_mask =
 		~(I915_DISPLAY_PIPE_A_EVENT_INTERRUPT |
-		  I915_DISPLAY_PIPE_B_EVENT_INTERRUPT |
-		  I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
-		  I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT);
+		  I915_DISPLAY_PIPE_B_EVENT_INTERRUPT);
 	I915_WRITE16(IMR, dev_priv->irq_mask);
 
 	I915_WRITE16(IER,
@@ -3611,9 +3602,6 @@ static int i8xx_irq_postinstall(struct drm_device *dev)
 	return 0;
 }
 
-/*
- * Returns true when a page flip has completed.
- */
 static irqreturn_t i8xx_irq_handler(int irq, void *arg)
 {
 	struct drm_device *dev = arg;
@@ -3732,9 +3720,7 @@ static int i915_irq_postinstall(struct drm_device *dev)
 	dev_priv->irq_mask =
 		~(I915_ASLE_INTERRUPT |
 		  I915_DISPLAY_PIPE_A_EVENT_INTERRUPT |
-		  I915_DISPLAY_PIPE_B_EVENT_INTERRUPT |
-		  I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
-		  I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT);
+		  I915_DISPLAY_PIPE_B_EVENT_INTERRUPT);
 
 	enable_mask =
 		I915_ASLE_INTERRUPT |
@@ -3919,13 +3905,9 @@ static int i965_irq_postinstall(struct drm_device *dev)
 			       I915_DISPLAY_PORT_INTERRUPT |
 			       I915_DISPLAY_PIPE_A_EVENT_INTERRUPT |
 			       I915_DISPLAY_PIPE_B_EVENT_INTERRUPT |
-			       I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
-			       I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT |
 			       I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT);
 
 	enable_mask = ~dev_priv->irq_mask;
-	enable_mask &= ~(I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT |
-			 I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT);
 	enable_mask |= I915_USER_INTERRUPT;
 
 	if (IS_G4X(dev_priv))
-- 
2.13.0

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