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iris: use os_get_total_physical_memory instead of open-coding

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Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36621>
This commit is contained in:
Erik Faye-Lund 2025-08-06 17:41:42 +02:00 • committed by Marge Bot
parent 2213a76c0a
commit 44bc8557ae
1 changed files with 2 additions and 7 deletions
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9
src/gallium/drivers/iris/iris_screen.c
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@ -182,15 +182,10 @@ iris_get_video_memory(struct iris_screen *screen)
const unsigned gpu_mappable_megabytes =
(devinfo->aperture_bytes * 3 / 4) / (1024 * 1024);
const long system_memory_pages = sysconf(_SC_PHYS_PAGES);
const long system_page_size = sysconf(_SC_PAGE_SIZE);
if (system_memory_pages <= 0 || system_page_size <= 0)
uint64_t system_memory_bytes;
if (!os_get_total_physical_memory(&system_memory_bytes))
return -1;
const uint64_t system_memory_bytes =
(uint64_t) system_memory_pages * (uint64_t) system_page_size;
const unsigned system_memory_megabytes =
(unsigned) (system_memory_bytes / (1024 * 1024));