isl: Fix row pitch for compressed formats

When calculating row pitch, the row's width in samples must be divided
by the format's block width. The commit below accidentally removed the
division.

    commit eea2d4d05987b4f8ad90a1588267f9495f1e9e99
    Author: Chad Versace <chad.versace@intel.com>
    Date:   Tue Jan 5 14:28:28 2016 -0800
    Subject: isl: Don't align phys_slice0_sa.width twice

diff --git a/src/isl/isl.c b/src/isl/isl.c
index 357d0ea..ec66f97 100644 (file)
--- a/src/isl/isl.c
+++ b/src/isl/isl.c
@@ -895,7 +895,7 @@ isl_calc_row_pitch(const struct isl_device *dev,
     *    being used to determine whether additional pages need to be defined.
     */
    assert(phys_slice0_sa->w % fmtl->bw == 0);
-   row_pitch = MAX(row_pitch, fmtl->bs * phys_slice0_sa->w);
+   row_pitch = MAX(row_pitch, fmtl->bs * (phys_slice0_sa->w / fmtl->bw));
 
    switch (tile_info->tiling) {
    case ISL_TILING_LINEAR: