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path: root/drivers/gpu/drm/i915/i915_drv.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.c')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 062cbda1bf4a..45b3c030f483 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -123,10 +123,10 @@ module_param_named(preliminary_hw_support, i915_preliminary_hw_support, int, 060
MODULE_PARM_DESC(preliminary_hw_support,
"Enable preliminary hardware support. (default: false)");
-int i915_disable_power_well __read_mostly = 0;
+int i915_disable_power_well __read_mostly = 1;
module_param_named(disable_power_well, i915_disable_power_well, int, 0600);
MODULE_PARM_DESC(disable_power_well,
- "Disable the power well when possible (default: false)");
+ "Disable the power well when possible (default: true)");
int i915_enable_ips __read_mostly = 1;
module_param_named(enable_ips, i915_enable_ips, int, 0600);
@@ -706,7 +706,7 @@ static int i915_drm_thaw(struct drm_device *dev)
{
int error = 0;
- intel_gt_reset(dev);
+ intel_gt_sanitize(dev);
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
mutex_lock(&dev->struct_mutex);
@@ -732,7 +732,7 @@ int i915_resume(struct drm_device *dev)
pci_set_master(dev->pdev);
- intel_gt_reset(dev);
+ intel_gt_sanitize(dev);
/*
* Platforms with opregion should have sane BIOS, older ones (gen3 and
@@ -1253,21 +1253,21 @@ hsw_unclaimed_reg_check(struct drm_i915_private *dev_priv, u32 reg)
#define __i915_read(x, y) \
u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \
+ unsigned long irqflags; \
u##x val = 0; \
+ spin_lock_irqsave(&dev_priv->gt_lock, irqflags); \
if (IS_GEN5(dev_priv->dev)) \
ilk_dummy_write(dev_priv); \
if (NEEDS_FORCE_WAKE((dev_priv), (reg))) { \
- unsigned long irqflags; \
- spin_lock_irqsave(&dev_priv->gt_lock, irqflags); \
if (dev_priv->forcewake_count == 0) \
dev_priv->gt.force_wake_get(dev_priv); \
val = read##y(dev_priv->regs + reg); \
if (dev_priv->forcewake_count == 0) \
dev_priv->gt.force_wake_put(dev_priv); \
- spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags); \
} else { \
val = read##y(dev_priv->regs + reg); \
} \
+ spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags); \
trace_i915_reg_rw(false, reg, val, sizeof(val)); \
return val; \
}
@@ -1280,8 +1280,10 @@ __i915_read(64, q)
#define __i915_write(x, y) \
void i915_write##x(struct drm_i915_private *dev_priv, u32 reg, u##x val) { \
+ unsigned long irqflags; \
u32 __fifo_ret = 0; \
trace_i915_reg_rw(true, reg, val, sizeof(val)); \
+ spin_lock_irqsave(&dev_priv->gt_lock, irqflags); \
if (NEEDS_FORCE_WAKE((dev_priv), (reg))) { \
__fifo_ret = __gen6_gt_wait_for_fifo(dev_priv); \
} \
@@ -1293,6 +1295,7 @@ void i915_write##x(struct drm_i915_private *dev_priv, u32 reg, u##x val) { \
gen6_gt_check_fifodbg(dev_priv); \
} \
hsw_unclaimed_reg_check(dev_priv, reg); \
+ spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags); \
}
__i915_write(8, b)
__i915_write(16, w)