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pvr: Fix overflow before widen warning for rgn headers size calculation.

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This fixes CID 1515968.

Signed-off-by: Karmjit Mahil <Karmjit.Mahil@imgtec.com>
Reviewed-by: Frank Binns <frank.binns@imgtec.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19136>
This commit is contained in:
Karmjit Mahil
2022-10-14 13:25:46 +01:00
committed by Marge Bot
parent 6a35563de0
commit d19835e43c
1 changed files with 4 additions and 2 deletions
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src/imagination/vulkan/pvr_job_render.c
+4 -2
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@@ -587,8 +587,10 @@ static void pvr_rt_get_region_headers_stride_size(
num_tiles_x = mtile_info->mtiles_x * mtile_info->tiles_per_mtile_x;
num_tiles_y = mtile_info->mtiles_y * mtile_info->tiles_per_mtile_y;
rgn_headers_size =
(num_tiles_x / group_size) * (num_tiles_y / group_size) * rgn_header_size;
rgn_headers_size = (uint64_t)num_tiles_x / group_size;
/* Careful here. We want the division to happen first. */
rgn_headers_size *= num_tiles_y / group_size;
rgn_headers_size *= rgn_header_size;
if (PVR_HAS_FEATURE(dev_info, simple_internal_parameter_format)) {
rgn_headers_size =