@@ -856,7 +856,7 @@ static int i915_driver_init_early(struct drm_i915_private *dev_priv,
intel_init_audio_hooks(dev_priv);
ret = i915_gem_load_init(dev_priv);
if (ret < 0)
- goto err_workqueues;
+ goto err_irq;
intel_display_crc_init(dev_priv);
@@ -868,7 +868,8 @@ static int i915_driver_init_early(struct drm_i915_private *dev_priv,
return 0;
-err_workqueues:
+err_irq:
+ intel_irq_fini(dev_priv);
i915_workqueues_cleanup(dev_priv);
err_engines:
i915_engines_cleanup(dev_priv);
@@ -883,6 +884,7 @@ static void i915_driver_cleanup_early(struct drm_i915_private *dev_priv)
{
i915_perf_fini(dev_priv);
i915_gem_load_cleanup(dev_priv);
+ intel_irq_fini(dev_priv);
i915_workqueues_cleanup(dev_priv);
i915_engines_cleanup(dev_priv);
}
@@ -3060,6 +3060,7 @@ void i915_handle_error(struct drm_i915_private *dev_priv,
const char *fmt, ...);
extern void intel_irq_init(struct drm_i915_private *dev_priv);
+extern void intel_irq_fini(struct drm_i915_private *dev_priv);
int intel_irq_install(struct drm_i915_private *dev_priv);
void intel_irq_uninstall(struct drm_i915_private *dev_priv);
@@ -1236,7 +1236,7 @@ static void gen6_pm_rps_work(struct work_struct *work)
static void ivybridge_parity_work(struct work_struct *work)
{
struct drm_i915_private *dev_priv =
- container_of(work, struct drm_i915_private, l3_parity.error_work);
+ container_of(work, typeof(*dev_priv), l3_parity.error_work);
u32 error_status, row, bank, subbank;
char *parity_event[6];
uint32_t misccpctl;
@@ -4233,11 +4233,15 @@ static void i965_irq_uninstall(struct drm_device * dev)
void intel_irq_init(struct drm_i915_private *dev_priv)
{
struct drm_device *dev = &dev_priv->drm;
+ int i;
intel_hpd_init_work(dev_priv);
INIT_WORK(&dev_priv->rps.work, gen6_pm_rps_work);
+
INIT_WORK(&dev_priv->l3_parity.error_work, ivybridge_parity_work);
+ for (i = 0; i < MAX_L3_SLICES; ++i)
+ dev_priv->l3_parity.remap_info[i] = NULL;
if (HAS_GUC_SCHED(dev_priv))
dev_priv->pm_guc_events = GEN9_GUC_TO_HOST_INT_EVENT;
@@ -4363,6 +4367,20 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
}
/**
+ * intel_irq_fini - deinitializes IRQ support
+ * @i915: i915 device instance
+ *
+ * This function deinitializes all the IRQ support.
+ */
+void intel_irq_fini(struct drm_i915_private *i915)
+{
+ int i;
+
+ for (i = 0; i < MAX_L3_SLICES; ++i)
+ kfree(i915->l3_parity.remap_info[i]);
+}
+
+/**
* intel_irq_install - enables the hardware interrupt
* @dev_priv: i915 device instance
*
@@ -181,8 +181,8 @@ i915_l3_write(struct file *filp, struct kobject *kobj,
struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev);
struct drm_device *dev = &dev_priv->drm;
struct i915_gem_context *ctx;
- u32 *temp = NULL; /* Just here to make handling failures easy */
int slice = (int)(uintptr_t)attr->private;
+ u32 **remap_info;
int ret;
if (!HAS_HW_CONTEXTS(dev_priv))
@@ -196,11 +196,12 @@ i915_l3_write(struct file *filp, struct kobject *kobj,
if (ret)
return ret;
- if (!dev_priv->l3_parity.remap_info[slice]) {
- temp = kzalloc(GEN7_L3LOG_SIZE, GFP_KERNEL);
- if (!temp) {
- mutex_unlock(&dev->struct_mutex);
- return -ENOMEM;
+ remap_info = &dev_priv->l3_parity.remap_info[slice];
+ if (!*remap_info) {
+ *remap_info = kzalloc(GEN7_L3LOG_SIZE, GFP_KERNEL);
+ if (!*remap_info) {
+ ret = -ENOMEM;
+ goto out;
}
}
@@ -208,18 +209,18 @@ i915_l3_write(struct file *filp, struct kobject *kobj,
* aren't propagated. Since I cannot find a stable way to reset the GPU
* at this point it is left as a TODO.
*/
- if (temp)
- dev_priv->l3_parity.remap_info[slice] = temp;
-
- memcpy(dev_priv->l3_parity.remap_info[slice] + (offset/4), buf, count);
+ memcpy(*remap_info + (offset/4), buf, count);
/* NB: We defer the remapping until we switch to the context */
list_for_each_entry(ctx, &dev_priv->context_list, link)
ctx->remap_slice |= (1<<slice);
+ ret = count;
+
+out:
mutex_unlock(&dev->struct_mutex);
- return count;
+ return ret;
}
static struct bin_attribute dpf_attrs = {
Add intel_irq_fini() for placing the deinitialization code, starting with freeing dev_priv->l3_parity.remap_info[]. Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Mika Kuoppala <mika.kuoppala@intel.com> --- drivers/gpu/drm/i915/i915_drv.c | 6 ++++-- drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/i915_irq.c | 20 +++++++++++++++++++- drivers/gpu/drm/i915/i915_sysfs.c | 23 ++++++++++++----------- 4 files changed, 36 insertions(+), 14 deletions(-)