3 files changed, 27 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index f7dcb6916837..9c26e538a1e0 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -577,6 +577,16 @@ int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
                 WREG32(AVIVO_D1VGA_CONTROL, 0);
         else
                 WREG32(AVIVO_D2VGA_CONTROL, 0);
+
+        if (rdev->family >= CHIP_RV770) {
+                if (radeon_crtc->crtc_id) {
+                        WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, 0);
+                        WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, 0);
+                } else {
+                        WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, 0);
+                        WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, 0);
+                }
+        }
         WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
                (u32) fb_location);
         WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
diff --git a/drivers/gpu/drm/radeon/r500_reg.h b/drivers/gpu/drm/radeon/r500_reg.h
index 868add6e166d..7baa73955563 100644
--- a/drivers/gpu/drm/radeon/r500_reg.h
+++ b/drivers/gpu/drm/radeon/r500_reg.h
@@ -384,9 +384,16 @@
 #       define AVIVO_D1GRPH_TILED                               (1 << 20)
 #       define AVIVO_D1GRPH_MACRO_ADDRESS_MODE                  (1 << 21)
 
+/* The R7xx *_HIGH surface regs are backwards; the D1 regs are in the D2
+ * block and vice versa.  This applies to GRPH, CUR, etc.
+ */
 #define AVIVO_D1GRPH_LUT_SEL                                    0x6108
 #define AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS                    0x6110
+#define R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH                0x6914
+#define R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH                0x6114
 #define AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS                  0x6118
+#define R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH              0x691c
+#define R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH              0x611c
 #define AVIVO_D1GRPH_PITCH                                      0x6120
 #define AVIVO_D1GRPH_SURFACE_OFFSET_X                           0x6124
 #define AVIVO_D1GRPH_SURFACE_OFFSET_Y                           0x6128
@@ -404,6 +411,8 @@
 #       define AVIVO_D1CURSOR_MODE_MASK         (3 << 8)
 #       define AVIVO_D1CURSOR_MODE_24BPP        2
 #define AVIVO_D1CUR_SURFACE_ADDRESS             0x6408
+#define R700_D1CUR_SURFACE_ADDRESS_HIGH         0x6c0c
+#define R700_D2CUR_SURFACE_ADDRESS_HIGH         0x640c
 #define AVIVO_D1CUR_SIZE                        0x6410
 #define AVIVO_D1CUR_POSITION                    0x6414
 #define AVIVO_D1CUR_HOT_SPOT                    0x6418
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index b13c79e38bc0..28772a37009c 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -109,9 +109,15 @@ static void radeon_set_cursor(struct drm_crtc *crtc, struct drm_gem_object *obj,
         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
         struct radeon_device *rdev = crtc->dev->dev_private;
 
-        if (ASIC_IS_AVIVO(rdev))
+        if (ASIC_IS_AVIVO(rdev)) {
+                if (rdev->family >= CHIP_RV770) {
+                        if (radeon_crtc->crtc_id)
+                                WREG32(R700_D2CUR_SURFACE_ADDRESS_HIGH, 0);
+                        else
+                                WREG32(R700_D1CUR_SURFACE_ADDRESS_HIGH, 0);
+                }
                 WREG32(AVIVO_D1CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset, gpu_addr);
-        else {
+        } else {
                 radeon_crtc->legacy_cursor_offset = gpu_addr - radeon_crtc->legacy_display_base_addr;
                 /* offset is from DISP(2)_BASE_ADDRESS */
                 WREG32(RADEON_CUR_OFFSET + radeon_crtc->crtc_offset, radeon_crtc->legacy_cursor_offset);