Hi,
On 01/27/2017 02:45 PM, Ville Syrjälä wrote:
On Mon, Jan 23, 2017 at 10:09:56PM +0100, Hans de Goede wrote:
Rename intel_uncore_early_sanitize to intel_uncore_resume, dropping the
(always true) restore_forcewake argument and add a new intel_uncore_resume
function to replace the intel_uncore_forcewake_reset(dev_priv, false)
calls done from the suspend / runtime_suspend functions and make
intel_uncore_forcewake_reset private.
This is a preparation patch for adding PMIC bus access notifier support.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=155241
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Tested-by: tagorereddy <tagore.chandan@xxxxxxxxx>
---
Changes in v2:
-Spelling: P-Unit, PMIC
---
drivers/gpu/drm/i915/i915_drv.c | 6 +++---
drivers/gpu/drm/i915/i915_drv.h | 6 ++----
drivers/gpu/drm/i915/intel_uncore.c | 18 +++++++++++-------
3 files changed, 16 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index aefab9a..5a62d7a 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1445,7 +1445,7 @@ static int i915_drm_suspend(struct drm_device *dev)
opregion_target_state = suspend_to_idle(dev_priv) ? PCI_D1 : PCI_D3cold;
intel_opregion_notify_adapter(dev_priv, opregion_target_state);
- intel_uncore_forcewake_reset(dev_priv, false);
+ intel_uncore_suspend(dev_priv);
intel_opregion_unregister(dev_priv);
intel_fbdev_set_suspend(dev, FBINFO_STATE_SUSPENDED, true);
@@ -1690,7 +1690,7 @@ static int i915_drm_resume_early(struct drm_device *dev)
DRM_ERROR("Resume prepare failed: %d, continuing anyway\n",
ret);
- intel_uncore_early_sanitize(dev_priv, true);
+ intel_uncore_resume(dev_priv);
if (IS_GEN9_LP(dev_priv)) {
if (!dev_priv->suspended_to_idle)
@@ -2344,7 +2344,7 @@ static int intel_runtime_suspend(struct device *kdev)
return ret;
}
- intel_uncore_forcewake_reset(dev_priv, false);
+ intel_uncore_suspend(dev_priv);
Doing one from early_resume and the other from the normal suspend makes
my brain hurt a little.
Ack, note that this patch does not introduce this, it just renames things
a bit, the sequence of things is not changed.
If we do that I think we should at least name
the functions appropriately.
Ok, so you want me to rename intel_uncore_resume to intel_uncore_resume_early
I assume ?
enable_rpm_wakeref_asserts(dev_priv);
WARN_ON_ONCE(atomic_read(&dev_priv->pm.wakeref_count));
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index e9b4ece..c717329 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2976,14 +2976,12 @@ int intel_irq_install(struct drm_i915_private *dev_priv);
void intel_irq_uninstall(struct drm_i915_private *dev_priv);
extern void intel_uncore_sanitize(struct drm_i915_private *dev_priv);
-extern void intel_uncore_early_sanitize(struct drm_i915_private *dev_priv,
- bool restore_forcewake);
extern void intel_uncore_init(struct drm_i915_private *dev_priv);
extern bool intel_uncore_unclaimed_mmio(struct drm_i915_private *dev_priv);
extern bool intel_uncore_arm_unclaimed_mmio_detection(struct drm_i915_private *dev_priv);
extern void intel_uncore_fini(struct drm_i915_private *dev_priv);
-extern void intel_uncore_forcewake_reset(struct drm_i915_private *dev_priv,
- bool restore);
+extern void intel_uncore_suspend(struct drm_i915_private *dev_priv);
+extern void intel_uncore_resume(struct drm_i915_private *dev_priv);
const char *intel_uncore_forcewake_domain_to_str(const enum forcewake_domain_id id);
void intel_uncore_forcewake_get(struct drm_i915_private *dev_priv,
enum forcewake_domains domains);
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index abe0888..3767307 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -250,7 +250,7 @@ intel_uncore_fw_release_timer(struct hrtimer *timer)
return HRTIMER_NORESTART;
}
-void intel_uncore_forcewake_reset(struct drm_i915_private *dev_priv,
+static void __intel_uncore_forcewake_reset(struct drm_i915_private *dev_priv,
bool restore)
Maybe leave out this rename to keep the diff a little easier to parse.
Ack will do for v3.
{
unsigned long irqflags;
@@ -424,13 +424,17 @@ static void __intel_uncore_early_sanitize(struct drm_i915_private *dev_priv,
if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_B_LAST))
info->has_decoupled_mmio = false;
- intel_uncore_forcewake_reset(dev_priv, restore_forcewake);
+ __intel_uncore_forcewake_reset(dev_priv, restore_forcewake);
}
-void intel_uncore_early_sanitize(struct drm_i915_private *dev_priv,
- bool restore_forcewake)
+void intel_uncore_suspend(struct drm_i915_private *dev_priv)
{
- __intel_uncore_early_sanitize(dev_priv, restore_forcewake);
+ __intel_uncore_forcewake_reset(dev_priv, false);
+}
+
+void intel_uncore_resume(struct drm_i915_private *dev_priv)
+{
+ __intel_uncore_early_sanitize(dev_priv, true);
i915_check_and_clear_faults(dev_priv);
}
@@ -1463,7 +1467,7 @@ void intel_uncore_fini(struct drm_i915_private *dev_priv)
{
/* Paranoia: make sure we have disabled everything before we exit. */
intel_uncore_sanitize(dev_priv);
- intel_uncore_forcewake_reset(dev_priv, false);
+ __intel_uncore_forcewake_reset(dev_priv, false);
}
#define GEN_RANGE(l, h) GENMASK((h) - 1, (l) - 1)
@@ -1679,7 +1683,7 @@ static int gen6_reset_engines(struct drm_i915_private *dev_priv,
ret = gen6_hw_domain_reset(dev_priv, hw_mask);
- intel_uncore_forcewake_reset(dev_priv, true);
+ __intel_uncore_forcewake_reset(dev_priv, true);
return ret;
}
--
2.9.3
Regards,
Hans
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