Merge commit 'Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux'

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / i915 / i915_drv.c

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 45b3c030f48393b6921e66406e48f92e2f1d643e..5849b0a91b4e86d28cc4368785041587b3cbba52 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -118,6 +118,10 @@ module_param_named(i915_enable_ppgtt, i915_enable_ppgtt, int, 0600);
 MODULE_PARM_DESC(i915_enable_ppgtt,
                "Enable PPGTT (default: true)");
 
+int i915_enable_psr __read_mostly = 0;
+module_param_named(enable_psr, i915_enable_psr, int, 0600);
+MODULE_PARM_DESC(enable_psr, "Enable PSR (default: false)");
+
 unsigned int i915_preliminary_hw_support __read_mostly = 0;
 module_param_named(preliminary_hw_support, i915_preliminary_hw_support, int, 0600);
 MODULE_PARM_DESC(preliminary_hw_support,
@@ -132,6 +136,16 @@ int i915_enable_ips __read_mostly = 1;
 module_param_named(enable_ips, i915_enable_ips, int, 0600);
 MODULE_PARM_DESC(enable_ips, "Enable IPS (default: true)");
 
+bool i915_fastboot __read_mostly = 0;
+module_param_named(fastboot, i915_fastboot, bool, 0600);
+MODULE_PARM_DESC(fastboot, "Try to skip unnecessary mode sets at boot time "
+                "(default: false)");
+
+bool i915_prefault_disable __read_mostly;
+module_param_named(prefault_disable, i915_prefault_disable, bool, 0600);
+MODULE_PARM_DESC(prefault_disable,
+               "Disable page prefaulting for pread/pwrite/reloc (default:false). For developers only.");
+
 static struct drm_driver driver;
 extern int intel_agp_enabled;
 
@@ -551,7 +565,11 @@ static int i915_drm_freeze(struct drm_device *dev)
 
        /* If KMS is active, we do the leavevt stuff here */
        if (drm_core_check_feature(dev, DRIVER_MODESET)) {
-               int error = i915_gem_idle(dev);
+               int error;
+
+               mutex_lock(&dev->struct_mutex);
+               error = i915_gem_idle(dev);
+               mutex_unlock(&dev->struct_mutex);
                if (error) {
                        dev_err(&dev->pdev->dev,
                                "GEM idle failed, resume might fail\n");
@@ -656,7 +674,6 @@ static int __i915_drm_thaw(struct drm_device *dev)
                intel_init_pch_refclk(dev);
 
                mutex_lock(&dev->struct_mutex);
-               dev_priv->mm.suspended = 0;
 
                error = i915_gem_init_hw(dev);
                mutex_unlock(&dev->struct_mutex);
@@ -793,28 +810,29 @@ static int i965_reset_complete(struct drm_device *dev)
 static int i965_do_reset(struct drm_device *dev)
 {
        int ret;
-       u8 gdrst;
 
        /*
         * Set the domains we want to reset (GRDOM/bits 2 and 3) as
         * well as the reset bit (GR/bit 0).  Setting the GR bit
         * 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 | GRDOM_RENDER |
-                             GRDOM_RESET_ENABLE);
+                             GRDOM_RENDER | GRDOM_RESET_ENABLE);
        ret =  wait_for(i965_reset_complete(dev), 500);
        if (ret)
                return ret;
 
        /* We can't reset render&media without also resetting display ... */
-       pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst);
        pci_write_config_byte(dev->pdev, I965_GDRST,
-                             gdrst | GRDOM_MEDIA |
-                             GRDOM_RESET_ENABLE);
+                             GRDOM_MEDIA | GRDOM_RESET_ENABLE);
 
-       return wait_for(i965_reset_complete(dev), 500);
+       ret =  wait_for(i965_reset_complete(dev), 500);
+       if (ret)
+               return ret;
+
+       pci_write_config_byte(dev->pdev, I965_GDRST, 0);
+
+       return 0;
 }
 
 static int ironlake_do_reset(struct drm_device *dev)
@@ -955,11 +973,11 @@ int i915_reset(struct drm_device *dev)
         * switched away).
         */
        if (drm_core_check_feature(dev, DRIVER_MODESET) ||
-                       !dev_priv->mm.suspended) {
+                       !dev_priv->ums.mm_suspended) {
                struct intel_ring_buffer *ring;
                int i;
 
-               dev_priv->mm.suspended = 0;
+               dev_priv->ums.mm_suspended = 0;
 
                i915_gem_init_swizzling(dev);