From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Wed, 13 Jul 2016 22:59:33 +0000 (-0700)
Subject: isl: Fix the bs assertion in isl_tiling_get_info
X-Git-Tag: upstream/17.1.0~7996
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2c6ca658e788e0a91bcc993892cc8a8d07f931a9;p=platform%2Fupstream%2Fmesa.git

isl: Fix the bs assertion in isl_tiling_get_info

Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Chad Versace <chad.versace@intel.com>
---

diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c
index 75b8118..435cffd 100644
--- a/src/intel/isl/isl.c
+++ b/src/intel/isl/isl.c
@@ -113,21 +113,23 @@ isl_tiling_get_info(const struct isl_device *dev,
    const uint32_t bs = format_bpb / 8;
    struct isl_extent2d logical_el, phys_B;
 
-   assert(bs > 0);
-   assert(tiling == ISL_TILING_LINEAR || isl_is_pow2(bs));
+   assert(tiling == ISL_TILING_LINEAR || isl_is_pow2(format_bpb));
 
    switch (tiling) {
    case ISL_TILING_LINEAR:
+      assert(bs > 0);
       logical_el = isl_extent2d(1, 1);
       phys_B = isl_extent2d(bs, 1);
       break;
 
    case ISL_TILING_X:
+      assert(bs > 0);
       logical_el = isl_extent2d(512 / bs, 8);
       phys_B = isl_extent2d(512, 8);
       break;
 
    case ISL_TILING_Y0:
+      assert(bs > 0);
       logical_el = isl_extent2d(128 / bs, 32);
       phys_B = isl_extent2d(128, 32);
       break;
@@ -159,6 +161,7 @@ isl_tiling_get_info(const struct isl_device *dev,
 
       bool is_Ys = tiling == ISL_TILING_Ys;
 
+      assert(bs > 0);
       unsigned width = 1 << (6 + (ffs(bs) / 2) + (2 * is_Ys));
       unsigned height = 1 << (6 - (ffs(bs) / 2) + (2 * is_Ys));