1 files changed, 11 insertions, 40 deletions

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 3368920df5f4..3f973d411d61 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -439,7 +439,6 @@ int evergreen_mc_init(struct radeon_device *rdev)
         fixed20_12 a;
         u32 tmp;
         int chansize, numchan;
-        int r;
 
         /* Get VRAM informations */
         rdev->mc.vram_is_ddr = true;
@@ -475,48 +474,12 @@ int evergreen_mc_init(struct radeon_device *rdev)
         /* size in MB on evergreen */
         rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
         rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
-
-        if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
+        /* FIXME remove this once we support unmappable VRAM */
+        if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
                 rdev->mc.mc_vram_size = rdev->mc.aper_size;
-
-        if (rdev->mc.real_vram_size > rdev->mc.aper_size)
                 rdev->mc.real_vram_size = rdev->mc.aper_size;
-
-        if (rdev->flags & RADEON_IS_AGP) {
-                r = radeon_agp_init(rdev);
-                if (r)
-                        return r;
-                /* gtt_size is setup by radeon_agp_init */
-                rdev->mc.gtt_location = rdev->mc.agp_base;
-                tmp = 0xFFFFFFFFUL - rdev->mc.agp_base - rdev->mc.gtt_size;
-                /* Try to put vram before or after AGP because we
-                 * we want SYSTEM_APERTURE to cover both VRAM and
-                 * AGP so that GPU can catch out of VRAM/AGP access
-                 */
-                if (rdev->mc.gtt_location > rdev->mc.mc_vram_size) {
-                        /* Enought place before */
-                        rdev->mc.vram_location = rdev->mc.gtt_location -
-                                                        rdev->mc.mc_vram_size;
-                } else if (tmp > rdev->mc.mc_vram_size) {
-                        /* Enought place after */
-                        rdev->mc.vram_location = rdev->mc.gtt_location +
-                                                        rdev->mc.gtt_size;
-                } else {
-                        /* Try to setup VRAM then AGP might not
-                         * not work on some card
-                         */
-                        rdev->mc.vram_location = 0x00000000UL;
-                        rdev->mc.gtt_location = rdev->mc.mc_vram_size;
-                }
-        } else {
-                rdev->mc.vram_location = 0x00000000UL;
-                rdev->mc.gtt_location = rdev->mc.mc_vram_size;
-                rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
         }
-        rdev->mc.vram_start = rdev->mc.vram_location;
-        rdev->mc.vram_end = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1;
-        rdev->mc.gtt_start = rdev->mc.gtt_location;
-        rdev->mc.gtt_end = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
+        r600_vram_gtt_location(rdev, &rdev->mc);
         /* FIXME: we should enforce default clock in case GPU is not in
          * default setup
          */
@@ -525,6 +488,7 @@ int evergreen_mc_init(struct radeon_device *rdev)
         rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
         return 0;
 }
+
 int evergreen_gpu_reset(struct radeon_device *rdev)
 {
         /* FIXME: implement for evergreen */
@@ -726,6 +690,13 @@ int evergreen_init(struct radeon_device *rdev)
         r = radeon_fence_driver_init(rdev);
         if (r)
                 return r;
+        /* initialize AGP */
+        if (rdev->flags & RADEON_IS_AGP) {
+                r = radeon_agp_init(rdev);
+                if (r)
+                        radeon_agp_disable(rdev);
+        }
+        /* initialize memory controller */
         r = evergreen_mc_init(rdev);
         if (r)
                 return r;