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anv: prevent potential, but unlikely, overflow

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The code in question multiplies `uint32_t`s together and assigns them to
a `uint64_t`. It seems rather unlikely at there would be an overflow,
but we might as well do the cast.

CID: 1649587
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38289>
This commit is contained in:
Dylan Baker
2025-11-06 11:49:15 -08:00
committed by Marge Bot
parent d5199b07d2
commit 12e22d5bc1
1 changed files with 2 additions and 2 deletions
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4
src/intel/vulkan/anv_video.c
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@@ -588,7 +588,7 @@ get_vp9_video_mem_size(struct anv_video_session *vid, uint32_t mem_idx)
size = 32;
break;
case ANV_VID_MEM_VP9_SEGMENT_ID:
size = width_in_ctb * height_in_ctb;
size = (uint64_t)width_in_ctb * height_in_ctb;
break;
case ANV_VID_MEM_VP9_HVD_LINE_ROW_STORE:
case ANV_VID_MEM_VP9_HVD_TILE_ROW_STORE:
@@ -596,7 +596,7 @@ get_vp9_video_mem_size(struct anv_video_session *vid, uint32_t mem_idx)
break;
case ANV_VID_MEM_VP9_MV_1:
case ANV_VID_MEM_VP9_MV_2:
size = (width_in_ctb * height_in_ctb * 9);
size = ((uint64_t)width_in_ctb * height_in_ctb * 9);
break;
default:
UNREACHABLE("unknown memory");