From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
When other platforms add runtime PM support they will also need to
disable interrupts, so move the variable to the runtime PM struct.
v2: - Rebase.
v3: - Rebase.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_debugfs.c | 2 +-
drivers/gpu/drm/i915/i915_drv.h | 10 +++----
drivers/gpu/drm/i915/i915_gem.c | 2 +-
drivers/gpu/drm/i915/i915_irq.c | 58 ++++++++++++++++++------------------
drivers/gpu/drm/i915/intel_display.c | 4 +--
drivers/gpu/drm/i915/intel_drv.h | 4 +--
drivers/gpu/drm/i915/intel_pm.c | 3 +-
7 files changed, 42 insertions(+), 41 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 93d6065..213b093 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1999,7 +1999,7 @@ static int i915_pc8_status(struct seq_file *m, void *unused)
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 16e344e..74fba1c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1350,8 +1350,12 @@ struct ilk_wm_values {
* 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;
@@ -1362,10 +1366,6 @@ struct i915_package_c8 {
} 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 6978e69..998dabe 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1017,7 +1017,7 @@ static int __wait_seqno(struct intel_ring_buffer *ring, u32 seqno,
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 f68aee3..14b26f2 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -86,9 +86,9 @@ ironlake_enable_display_irq(drm_i915_private_t *dev_priv, u32 mask)
{
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 @@ ironlake_disable_display_irq(drm_i915_private_t *dev_priv, u32 mask)
{
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 @@ static void ilk_update_gt_irq(struct drm_i915_private *dev_priv,
{
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 @@ static void snb_update_pm_irq(struct drm_i915_private *dev_priv,
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 @@ static void ibx_display_interrupt_update(struct drm_i915_private *dev_priv,
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;
}
@@ -4016,32 +4016,32 @@ void intel_hpd_init(struct drm_device *dev)
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;
@@ -4061,13 +4061,13 @@ void hsw_pc8_restore_interrupts(struct drm_device *dev)
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 271dd66..420fad5 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6667,7 +6667,7 @@ void __hsw_do_enable_pc8(struct drm_i915_private *dev_priv)
}
lpt_disable_clkout_dp(dev);
- hsw_pc8_disable_interrupts(dev);
+ hsw_runtime_pm_disable_interrupts(dev);
hsw_disable_lcpll(dev_priv, true, true);
}
@@ -6681,7 +6681,7 @@ void __hsw_do_disable_pc8(struct drm_i915_private *dev_priv)
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 2c02d68..d0434e8 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -616,8 +616,8 @@ void ilk_enable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask);
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 c85507a..5ff4b59 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5770,7 +5770,8 @@ void intel_pm_setup(struct drm_device *dev)
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;
}
--
1.8.5.3
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