drm/i915: Rename graphics reset registers.

The graphics domains are listed as GRDOM in the documentation, and the
GDRST PCI config register (0xc0) is only valid on I965 and GM45.  Newer
chips (like Sandy Bridge) have a different GDRST.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

3 files changed, 10 insertions, 8 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 7209997f18fe..45027d5ad1e5 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -330,7 +330,7 @@ int i915_resume(struct drm_device *dev)
 static int i965_reset_complete(struct drm_device *dev)
 {
         u8 gdrst;
-        pci_read_config_byte(dev->pdev, GDRST, &gdrst);
+        pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst);
         return gdrst & 0x1;
 }
 
@@ -375,8 +375,8 @@ int i965_reset(struct drm_device *dev, u8 flags)
          * 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, GDRST, &gdrst);
-        pci_write_config_byte(dev->pdev, GDRST, gdrst | flags | 0x1);
+        pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst);
+        pci_write_config_byte(dev->pdev, I965_GDRST, gdrst | flags | 0x1);
 
         /* Wait for the hardware to reset (but no more than 500 ms) */
         if (wait_for(i965_reset_complete(dev), 500)) {
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 2b5e54c2900f..b1dc943a02cc 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -401,7 +401,7 @@ static void i915_error_work_func(struct work_struct *work)
                 case 4:
                         DRM_DEBUG_DRIVER("resetting chip\n");
                         kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, reset_event);
-                        if (!i965_reset(dev, GDRST_RENDER)) {
+                        if (!i965_reset(dev, GRDOM_RENDER)) {
                                 atomic_set(&dev_priv->mm.wedged, 0);
                                 kobject_uevent_env(&dev->primary->kdev.kobj, KOBJ_CHANGE, reset_done_event);
                         }
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 18e3749fbd11..565a7a3ccd4e 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -108,10 +108,12 @@
 #define   I915_GC_RENDER_CLOCK_200_MHZ  (1 << 0)
 #define   I915_GC_RENDER_CLOCK_333_MHZ  (4 << 0)
 #define LBB     0xf4
-#define GDRST 0xc0
-#define  GDRST_FULL     (0<<2)
-#define  GDRST_RENDER   (1<<2)
-#define  GDRST_MEDIA    (3<<2)
+
+/* Graphics reset regs */
+#define I965_GDRST 0xc0
+#define  GRDOM_FULL     (0<<2)
+#define  GRDOM_RENDER   (1<<2)
+#define  GRDOM_MEDIA    (3<<2)
 
 /* VGA stuff */