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ac: fix incorrect vram_size reported by the kernel

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Cc: 19.2 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
(cherry picked from commit 7d97013294)
This commit is contained in:
Marek Olšák 2019-09-24 16:47:05 -04:00 • committed by Dylan Baker
parent 8f95245068
commit 0a2285b1d4
1 changed files with 10 additions and 2 deletions
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12
src/amd/common/ac_gpu_info.c
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@ -92,6 +92,14 @@ static bool has_syncobj(int fd)
return value ? true : false;
}
static uint64_t fix_vram_size(uint64_t size)
{
/* The VRAM size is underreported, so we need to fix it, because
* it's used to compute the number of memory modules for harvesting.
*/
return align64(size, 256*1024*1024);
}
bool ac_query_gpu_info(int fd, void *dev_p,
struct radeon_info *info,
struct amdgpu_gpu_info *amdinfo)
@ -265,7 +273,7 @@ bool ac_query_gpu_info(int fd, void *dev_p,
/* Note: usable_heap_size values can be random and can't be relied on. */
info->gart_size = meminfo.gtt.total_heap_size;
info->vram_size = meminfo.vram.total_heap_size;
info->vram_size = fix_vram_size(meminfo.vram.total_heap_size);
info->vram_vis_size = meminfo.cpu_accessible_vram.total_heap_size;
} else {
/* This is a deprecated interface, which reports usable sizes
@ -296,7 +304,7 @@ bool ac_query_gpu_info(int fd, void *dev_p,
}
info->gart_size = gtt.heap_size;
info->vram_size = vram.heap_size;
info->vram_size = fix_vram_size(vram.heap_size);
info->vram_vis_size = vram_vis.heap_size;
}