From b73c5f8b2f85a7041e045e0009d046780416948d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Ol=C5=A1=C3=A1k?= <maraeo@gmail.com>
Date: Sun, 11 Apr 2010 03:18:52 +0200
Subject: drm/radeon/kms: fix calculation of mipmapped 3D texture sizes
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The 3rd dimension should be minified too.

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

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 3ae51ad..e40dbdc 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) {
-- 
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