From 46c63d2499b12902ed30847100af6c26228e878c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= <jose.souza@intel.com>
Date: Tue, 30 Jul 2019 15:47:50 -0700
Subject: [PATCH] drm/i915/bdw+: Move misc display IRQ handling to it own function
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Git-commit: 46c63d2499b12902ed30847100af6c26228e878c
Patch-mainline: v5.4-rc1
References: jsc#SLE-7953
Just moving it to reduce the tabs and avoid break code lines.
No behavior changes intended here.
V2:
- Reading misc display IRQ outside of gen8_de_misc_irq_handler() as
other irq handlers (Dhinakaran)
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190730224753.14907-1-jose.souza@intel.com
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/i915/i915_irq.c | 45 +++++++++++++++++++++++------------------
1 file changed, 25 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 73efb373dfa2..37e3dd3c1a9d 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2644,6 +2644,28 @@ static u32 gen8_de_pipe_fault_mask(struct drm_i915_private *dev_priv)
return GEN8_DE_PIPE_IRQ_FAULT_ERRORS;
}
+static void
+gen8_de_misc_irq_handler(struct drm_i915_private *dev_priv, u32 iir)
+{
+ bool found = false;
+
+ if (iir & GEN8_DE_MISC_GSE) {
+ intel_opregion_asle_intr(dev_priv);
+ found = true;
+ }
+
+ if (iir & GEN8_DE_EDP_PSR) {
+ u32 psr_iir = I915_READ(EDP_PSR_IIR);
+
+ intel_psr_irq_handler(dev_priv, psr_iir);
+ I915_WRITE(EDP_PSR_IIR, psr_iir);
+ found = true;
+ }
+
+ if (!found)
+ DRM_ERROR("Unexpected DE Misc interrupt\n");
+}
+
static irqreturn_t
gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl)
{
@@ -2654,29 +2676,12 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl)
if (master_ctl & GEN8_DE_MISC_IRQ) {
iir = I915_READ(GEN8_DE_MISC_IIR);
if (iir) {
- bool found = false;
-
I915_WRITE(GEN8_DE_MISC_IIR, iir);
ret = IRQ_HANDLED;
-
- if (iir & GEN8_DE_MISC_GSE) {
- intel_opregion_asle_intr(dev_priv);
- found = true;
- }
-
- if (iir & GEN8_DE_EDP_PSR) {
- u32 psr_iir = I915_READ(EDP_PSR_IIR);
-
- intel_psr_irq_handler(dev_priv, psr_iir);
- I915_WRITE(EDP_PSR_IIR, psr_iir);
- found = true;
- }
-
- if (!found)
- DRM_ERROR("Unexpected DE Misc interrupt\n");
- }
- else
+ gen8_de_misc_irq_handler(dev_priv, iir);
+ } else {
DRM_ERROR("The master control interrupt lied (DE MISC)!\n");
+ }
}
if (INTEL_GEN(dev_priv) >= 11 && (master_ctl & GEN11_DE_HPD_IRQ)) {
--
2.16.4