Update 2.6.36 to 2.6.36.4wip-dissipation2-jerickso

3 files changed, 37 insertions, 7 deletions

diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index b756e07d41b4..e8acb1c7b194 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -1065,9 +1065,9 @@ static ssize_t store_gps(struct device *dev, struct device_attribute *attr,
  */
 static int asus_gps_rfkill_set(void *data, bool blocked)
 {
-        acpi_handle handle = data;
+        struct asus_laptop *asus = data;
 
-        return asus_gps_switch(handle, !blocked);
+        return asus_gps_switch(asus, !blocked);
 }
 
 static const struct rfkill_ops asus_gps_rfkill_ops = {
@@ -1094,7 +1094,7 @@ static int asus_rfkill_init(struct asus_laptop *asus)
 
         asus->gps_rfkill = rfkill_alloc("asus-gps", &asus->platform_device->dev,
                                         RFKILL_TYPE_GPS,
-                                        &asus_gps_rfkill_ops, NULL);
+                                        &asus_gps_rfkill_ops, asus);
         if (!asus->gps_rfkill)
                 return -EINVAL;
 
diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c
index c44a5e8b8b82..f0b3ad13c273 100644
--- a/drivers/platform/x86/intel_ips.c
+++ b/drivers/platform/x86/intel_ips.c
@@ -75,6 +75,7 @@
 #include <drm/i915_drm.h>
 #include <asm/msr.h>
 #include <asm/processor.h>
+#include "intel_ips.h"
 
 #define PCI_DEVICE_ID_INTEL_THERMAL_SENSOR 0x3b32
 
@@ -245,6 +246,7 @@
 #define thm_writel(off, val) writel((val), ips->regmap + (off))
 
 static const int IPS_ADJUST_PERIOD = 5000; /* ms */
+static bool late_i915_load = false;
 
 /* For initial average collection */
 static const int IPS_SAMPLE_PERIOD = 200; /* ms */
@@ -339,6 +341,9 @@ struct ips_driver {
         u64 orig_turbo_ratios;
 };
 
+static bool
+ips_gpu_turbo_enabled(struct ips_driver *ips);
+
 /**
  * ips_cpu_busy - is CPU busy?
  * @ips: IPS driver struct
@@ -517,7 +522,7 @@ static void ips_disable_cpu_turbo(struct ips_driver *ips)
  */
 static bool ips_gpu_busy(struct ips_driver *ips)
 {
-        if (!ips->gpu_turbo_enabled)
+        if (!ips_gpu_turbo_enabled(ips))
                 return false;
 
         return ips->gpu_busy();
@@ -532,7 +537,7 @@ static bool ips_gpu_busy(struct ips_driver *ips)
  */
 static void ips_gpu_raise(struct ips_driver *ips)
 {
-        if (!ips->gpu_turbo_enabled)
+        if (!ips_gpu_turbo_enabled(ips))
                 return;
 
         if (!ips->gpu_raise())
@@ -549,7 +554,7 @@ static void ips_gpu_raise(struct ips_driver *ips)
  */
 static void ips_gpu_lower(struct ips_driver *ips)
 {
-        if (!ips->gpu_turbo_enabled)
+        if (!ips_gpu_turbo_enabled(ips))
                 return;
 
         if (!ips->gpu_lower())
@@ -1454,6 +1459,31 @@ out_err:
         return false;
 }
 
+static bool
+ips_gpu_turbo_enabled(struct ips_driver *ips)
+{
+        if (!ips->gpu_busy && late_i915_load) {
+                if (ips_get_i915_syms(ips)) {
+                        dev_info(&ips->dev->dev,
+                                 "i915 driver attached, reenabling gpu turbo\n");
+                        ips->gpu_turbo_enabled = !(thm_readl(THM_HTS) & HTS_GTD_DIS);
+                }
+        }
+
+        return ips->gpu_turbo_enabled;
+}
+
+void
+ips_link_to_i915_driver()
+{
+        /* We can't cleanly get at the various ips_driver structs from
+         * this caller (the i915 driver), so just set a flag saying
+         * that it's time to try getting the symbols again.
+         */
+        late_i915_load = true;
+}
+EXPORT_SYMBOL_GPL(ips_link_to_i915_driver);
+
 static DEFINE_PCI_DEVICE_TABLE(ips_id_table) = {
         { PCI_DEVICE(PCI_VENDOR_ID_INTEL,
                      PCI_DEVICE_ID_INTEL_THERMAL_SENSOR), },
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index b2978a04317f..677783475d84 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -801,7 +801,7 @@ static bool guid_already_parsed(const char *guid_string)
                 wblock = list_entry(p, struct wmi_block, list);
                 gblock = &wblock->gblock;
 
-                if (strncmp(gblock->guid, guid_string, 16) == 0)
+                if (memcmp(gblock->guid, guid_string, 16) == 0)
                         return true;
         }
         return false;