drm/radeon/kms: fix calculation of mipmapped 3D texture sizes

The 3rd dimension should be minified too.

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 10 insertions, 5 deletions

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 3ae51ada1abf..e40dbdc4ebb3 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2890,7 +2890,7 @@ static int r100_cs_track_texture_check(struct radeon_device *rdev,
 {
         struct radeon_bo *robj;
         unsigned long size;
-        unsigned u, i, w, h;
+        unsigned u, i, w, h, d;
         int ret;
 
         for (u = 0; u < track->num_texture; u++) {
@@ -2922,20 +2922,25 @@ static int r100_cs_track_texture_check(struct radeon_device *rdev,
                         h = h / (1 << i);
                         if (track->textures[u].roundup_h)
                                 h = roundup_pow_of_two(h);
+                        if (track->textures[u].tex_coord_type == 1) {
+                                d = (1 << track->textures[u].txdepth) / (1 << i);
+                                if (!d)
+                                        d = 1;
+                        } else {
+                                d = 1;
+                        }
                         if (track->textures[u].compress_format) {
 
-                                size += r100_track_compress_size(track->textures[u].compress_format, w, h);
+                                size += r100_track_compress_size(track->textures[u].compress_format, w, h) * d;
                                 /* compressed textures are block based */
                         } else
-                                size += w * h;
+                                size += w * h * d;
                 }
                 size *= track->textures[u].cpp;
 
                 switch (track->textures[u].tex_coord_type) {
                 case 0:
-                        break;
                 case 1:
-                        size *= (1 << track->textures[u].txdepth);
                         break;
                 case 2:
                         if (track->separate_cube) {