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ac: get tcc_harvested from the kernel

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Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Marek Olšák 2019-09-24 17:55:52 -04:00
parent 4d1e43badb
commit 9edcce2a32
2 changed files with 9 additions and 4 deletions
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2
meson.build
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@ -1286,7 +1286,7 @@ dep_libdrm_radeon = null_dep
dep_libdrm_nouveau = null_dep
dep_libdrm_intel = null_dep
_drm_amdgpu_ver = '2.4.99'
_drm_amdgpu_ver = '2.4.100'
_drm_radeon_ver = '2.4.71'
_drm_nouveau_ver = '2.4.66'
_drm_intel_ver = '2.4.75'

5
src/amd/common/ac_gpu_info.c
View File

@ -470,9 +470,14 @@ bool ac_query_gpu_info(int fd, void *dev_p,
}
if (info->chip_class >= GFX10) {
info->tcc_cache_line_size = 128;
if (info->drm_minor >= 35) {
info->tcc_harvested = device_info.tcc_disabled_mask != 0;
} else {
/* This is a hack, but it's all we can do without a kernel upgrade. */
info->tcc_harvested =
(info->vram_size / info->num_tcc_blocks) != 512*1024*1024;
}
} else {
info->tcc_cache_line_size = 64;
}