drm/i915: move pc8.irqs_disabled to pm.irqs_disabled
When other platforms add runtime PM support they will also need to
disable interrupts, so move the variable to the runtime PM struct.
Also notice that the longer-term goal is to completely kill the
regsave struct, and I even have patches for that.
v2: - Rebase.
v3: - Rebase.
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 2365bb2..144b0ff 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2015,7 +2015,7 @@
mutex_lock(&dev_priv->pc8.lock);
seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->mm.busy));
seq_printf(m, "IRQs disabled: %s\n",
- yesno(dev_priv->pc8.irqs_disabled));
+ yesno(dev_priv->pm.irqs_disabled));
mutex_unlock(&dev_priv->pc8.lock);
return 0;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 0210271..84a80b6 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1390,8 +1390,12 @@
* For more, read "Display Sequences for Package C8" on our documentation.
*/
struct i915_package_c8 {
- bool irqs_disabled;
struct mutex lock;
+};
+
+struct i915_runtime_pm {
+ bool suspended;
+ bool irqs_disabled;
struct {
uint32_t deimr;
@@ -1402,10 +1406,6 @@
} regsave;
};
-struct i915_runtime_pm {
- bool suspended;
-};
-
enum intel_pipe_crc_source {
INTEL_PIPE_CRC_SOURCE_NONE,
INTEL_PIPE_CRC_SOURCE_PLANE1,
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 338fa67..ee32759 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1035,7 +1035,7 @@
unsigned long timeout_expire;
int ret;
- WARN(dev_priv->pc8.irqs_disabled, "IRQs disabled\n");
+ WARN(dev_priv->pm.irqs_disabled, "IRQs disabled\n");
if (i915_seqno_passed(ring->get_seqno(ring, true), seqno))
return 0;
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index c8e262f..1c00751 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -86,9 +86,9 @@
{
assert_spin_locked(&dev_priv->irq_lock);
- if (dev_priv->pc8.irqs_disabled) {
+ if (dev_priv->pm.irqs_disabled) {
WARN(1, "IRQs disabled\n");
- dev_priv->pc8.regsave.deimr &= ~mask;
+ dev_priv->pm.regsave.deimr &= ~mask;
return;
}
@@ -104,9 +104,9 @@
{
assert_spin_locked(&dev_priv->irq_lock);
- if (dev_priv->pc8.irqs_disabled) {
+ if (dev_priv->pm.irqs_disabled) {
WARN(1, "IRQs disabled\n");
- dev_priv->pc8.regsave.deimr |= mask;
+ dev_priv->pm.regsave.deimr |= mask;
return;
}
@@ -129,10 +129,10 @@
{
assert_spin_locked(&dev_priv->irq_lock);
- if (dev_priv->pc8.irqs_disabled) {
+ if (dev_priv->pm.irqs_disabled) {
WARN(1, "IRQs disabled\n");
- dev_priv->pc8.regsave.gtimr &= ~interrupt_mask;
- dev_priv->pc8.regsave.gtimr |= (~enabled_irq_mask &
+ dev_priv->pm.regsave.gtimr &= ~interrupt_mask;
+ dev_priv->pm.regsave.gtimr |= (~enabled_irq_mask &
interrupt_mask);
return;
}
@@ -167,10 +167,10 @@
assert_spin_locked(&dev_priv->irq_lock);
- if (dev_priv->pc8.irqs_disabled) {
+ if (dev_priv->pm.irqs_disabled) {
WARN(1, "IRQs disabled\n");
- dev_priv->pc8.regsave.gen6_pmimr &= ~interrupt_mask;
- dev_priv->pc8.regsave.gen6_pmimr |= (~enabled_irq_mask &
+ dev_priv->pm.regsave.gen6_pmimr &= ~interrupt_mask;
+ dev_priv->pm.regsave.gen6_pmimr |= (~enabled_irq_mask &
interrupt_mask);
return;
}
@@ -313,11 +313,11 @@
assert_spin_locked(&dev_priv->irq_lock);
- if (dev_priv->pc8.irqs_disabled &&
+ if (dev_priv->pm.irqs_disabled &&
(interrupt_mask & SDE_HOTPLUG_MASK_CPT)) {
WARN(1, "IRQs disabled\n");
- dev_priv->pc8.regsave.sdeimr &= ~interrupt_mask;
- dev_priv->pc8.regsave.sdeimr |= (~enabled_irq_mask &
+ dev_priv->pm.regsave.sdeimr &= ~interrupt_mask;
+ dev_priv->pm.regsave.sdeimr |= (~enabled_irq_mask &
interrupt_mask);
return;
}
@@ -4118,32 +4118,32 @@
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}
-/* Disable interrupts so we can allow Package C8+. */
-void hsw_pc8_disable_interrupts(struct drm_device *dev)
+/* Disable interrupts so we can allow runtime PM. */
+void hsw_runtime_pm_disable_interrupts(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
- dev_priv->pc8.regsave.deimr = I915_READ(DEIMR);
- dev_priv->pc8.regsave.sdeimr = I915_READ(SDEIMR);
- dev_priv->pc8.regsave.gtimr = I915_READ(GTIMR);
- dev_priv->pc8.regsave.gtier = I915_READ(GTIER);
- dev_priv->pc8.regsave.gen6_pmimr = I915_READ(GEN6_PMIMR);
+ dev_priv->pm.regsave.deimr = I915_READ(DEIMR);
+ dev_priv->pm.regsave.sdeimr = I915_READ(SDEIMR);
+ dev_priv->pm.regsave.gtimr = I915_READ(GTIMR);
+ dev_priv->pm.regsave.gtier = I915_READ(GTIER);
+ dev_priv->pm.regsave.gen6_pmimr = I915_READ(GEN6_PMIMR);
ironlake_disable_display_irq(dev_priv, 0xffffffff);
ibx_disable_display_interrupt(dev_priv, 0xffffffff);
ilk_disable_gt_irq(dev_priv, 0xffffffff);
snb_disable_pm_irq(dev_priv, 0xffffffff);
- dev_priv->pc8.irqs_disabled = true;
+ dev_priv->pm.irqs_disabled = true;
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}
-/* Restore interrupts so we can recover from Package C8+. */
-void hsw_pc8_restore_interrupts(struct drm_device *dev)
+/* Restore interrupts so we can recover from runtime PM. */
+void hsw_runtime_pm_restore_interrupts(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long irqflags;
@@ -4163,13 +4163,13 @@
val = I915_READ(GEN6_PMIMR);
WARN(val != 0xffffffff, "GEN6_PMIMR is 0x%08x\n", val);
- dev_priv->pc8.irqs_disabled = false;
+ dev_priv->pm.irqs_disabled = false;
- ironlake_enable_display_irq(dev_priv, ~dev_priv->pc8.regsave.deimr);
- ibx_enable_display_interrupt(dev_priv, ~dev_priv->pc8.regsave.sdeimr);
- ilk_enable_gt_irq(dev_priv, ~dev_priv->pc8.regsave.gtimr);
- snb_enable_pm_irq(dev_priv, ~dev_priv->pc8.regsave.gen6_pmimr);
- I915_WRITE(GTIER, dev_priv->pc8.regsave.gtier);
+ ironlake_enable_display_irq(dev_priv, ~dev_priv->pm.regsave.deimr);
+ ibx_enable_display_interrupt(dev_priv, ~dev_priv->pm.regsave.sdeimr);
+ ilk_enable_gt_irq(dev_priv, ~dev_priv->pm.regsave.gtimr);
+ snb_enable_pm_irq(dev_priv, ~dev_priv->pm.regsave.gen6_pmimr);
+ I915_WRITE(GTIER, dev_priv->pm.regsave.gtier);
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 1553fe7..4b5cffa 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7040,7 +7040,7 @@
}
lpt_disable_clkout_dp(dev);
- hsw_pc8_disable_interrupts(dev);
+ hsw_runtime_pm_disable_interrupts(dev);
hsw_disable_lcpll(dev_priv, true, true);
}
@@ -7054,7 +7054,7 @@
DRM_DEBUG_KMS("Disabling package C8+\n");
hsw_restore_lcpll(dev_priv);
- hsw_pc8_restore_interrupts(dev);
+ hsw_runtime_pm_restore_interrupts(dev);
lpt_init_pch_refclk(dev);
if (dev_priv->pch_id == INTEL_PCH_LPT_LP_DEVICE_ID_TYPE) {
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 345e958..a0d4315 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -621,8 +621,8 @@
void ilk_disable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask);
void snb_enable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask);
void snb_disable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask);
-void hsw_pc8_disable_interrupts(struct drm_device *dev);
-void hsw_pc8_restore_interrupts(struct drm_device *dev);
+void hsw_runtime_pm_disable_interrupts(struct drm_device *dev);
+void hsw_runtime_pm_restore_interrupts(struct drm_device *dev);
/* intel_crt.c */
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ddd0368..fcca82c 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6158,7 +6158,8 @@
mutex_init(&dev_priv->rps.hw_lock);
mutex_init(&dev_priv->pc8.lock);
- dev_priv->pc8.irqs_disabled = false;
INIT_DELAYED_WORK(&dev_priv->rps.delayed_resume_work,
intel_gen6_powersave_work);
+
+ dev_priv->pm.irqs_disabled = false;
}