drm/i915: kill flags parameter for reset functions

Only half of them even cared, and it's always the same one.
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_drv.c

@@ -673,7 +673,7 @@ int i915_resume(struct drm_device *dev)
 	return 0;
 }
 
-static int i8xx_do_reset(struct drm_device *dev, u8 flags)
+static int i8xx_do_reset(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
@@ -710,7 +710,7 @@ static int i965_reset_complete(struct drm_device *dev)
 	return gdrst & 0x1;
 }
 
-static int i965_do_reset(struct drm_device *dev, u8 flags)
+static int i965_do_reset(struct drm_device *dev)
 {
 	u8 gdrst;
 
@@ -720,20 +720,22 @@ static int i965_do_reset(struct drm_device *dev, u8 flags)
 	 * triggers the reset; when done, the hardware will clear it.
 	 */
 	pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst);
-	pci_write_config_byte(dev->pdev, I965_GDRST, gdrst | flags | 0x1);
+	pci_write_config_byte(dev->pdev, I965_GDRST,
+			      gdrst | GRDOM_RENDER | 0x1);
 
 	return wait_for(i965_reset_complete(dev), 500);
 }
 
-static int ironlake_do_reset(struct drm_device *dev, u8 flags)
+static int ironlake_do_reset(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 gdrst = I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR);
-	I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR, gdrst | flags | 0x1);
+	I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR,
+		   gdrst | GRDOM_RENDER | 0x1);
 	return wait_for(I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) & 0x1, 500);
 }
 
-static int gen6_do_reset(struct drm_device *dev, u8 flags)
+static int gen6_do_reset(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int	ret;
@@ -768,7 +770,7 @@ static int gen6_do_reset(struct drm_device *dev, u8 flags)
 	return ret;
 }
 
-static int intel_gpu_reset(struct drm_device *dev, u8 flags)
+static int intel_gpu_reset(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int ret = -ENODEV;
@@ -776,16 +778,16 @@ static int intel_gpu_reset(struct drm_device *dev, u8 flags)
 	switch (INTEL_INFO(dev)->gen) {
 	case 7:
 	case 6:
-		ret = gen6_do_reset(dev, flags);
+		ret = gen6_do_reset(dev);
 		break;
 	case 5:
-		ret = ironlake_do_reset(dev, flags);
+		ret = ironlake_do_reset(dev);
 		break;
 	case 4:
-		ret = i965_do_reset(dev, flags);
+		ret = i965_do_reset(dev);
 		break;
 	case 2:
-		ret = i8xx_do_reset(dev, flags);
+		ret = i8xx_do_reset(dev);
 		break;
 	}
 
@@ -806,7 +808,6 @@ static int intel_gpu_reset(struct drm_device *dev, u8 flags)
 /**
  * i915_reset - reset chip after a hang
  * @dev: drm device to reset
- * @flags: reset domains
  *
  * Reset the chip.  Useful if a hang is detected. Returns zero on successful
  * reset or otherwise an error code.
@@ -819,7 +820,7 @@ static int intel_gpu_reset(struct drm_device *dev, u8 flags)
  *   - re-init interrupt state
  *   - re-init display
  */
-int i915_reset(struct drm_device *dev, u8 flags)
+int i915_reset(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	int ret;
@@ -838,7 +839,7 @@ int i915_reset(struct drm_device *dev, u8 flags)
 	if (get_seconds() - dev_priv->last_gpu_reset < 5)
 		DRM_ERROR("GPU hanging too fast, declaring wedged!\n");
 	else
-		ret = intel_gpu_reset(dev, flags);
+		ret = intel_gpu_reset(dev);
 
 	dev_priv->last_gpu_reset = get_seconds();
 	if (ret) {

drivers/gpu/drm/i915/i915_drv.h

@@ -1153,7 +1153,7 @@ extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
 extern int i915_emit_box(struct drm_device *dev,
 			 struct drm_clip_rect *box,
 			 int DR1, int DR4);
-extern int i915_reset(struct drm_device *dev, u8 flags);
+extern int i915_reset(struct drm_device *dev);
 extern unsigned long i915_chipset_val(struct drm_i915_private *dev_priv);
 extern unsigned long i915_mch_val(struct drm_i915_private *dev_priv);
 extern unsigned long i915_gfx_val(struct drm_i915_private *dev_priv);

drivers/gpu/drm/i915/i915_irq.c

@@ -758,7 +758,7 @@ static void i915_error_work_func(struct work_struct *work)
 	if (atomic_read(&dev_priv->mm.wedged)) {
 		DRM_DEBUG_DRIVER("resetting chip\n");
 		kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, reset_event);
-		if (!i915_reset(dev, GRDOM_RENDER)) {
+		if (!i915_reset(dev)) {
 			atomic_set(&dev_priv->mm.wedged, 0);
 			kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, reset_done_event);
 		}