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ac/gpu_info: add has_accelerated_dot_product

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12617>
This commit is contained in:
Rhys Perry 2021-08-31 11:17:25 +01:00 • committed by Marge Bot
parent 137974fabb
commit 40a0935899
2 changed files with 8 additions and 0 deletions
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7
src/amd/common/ac_gpu_info.c
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@ -870,6 +870,13 @@ bool ac_query_gpu_info(int fd, void *dev_p, struct radeon_info *info,
/* Whether chips support double rate packed math instructions. */
info->has_packed_math_16bit = info->chip_class >= GFX9;
/* Whether chips support dot product instructions. A subset of these support a smaller
* instruction encoding which accumulates with the destination.
*/
info->has_accelerated_dot_product =
info->family == CHIP_ARCTURUS || info->family == CHIP_ALDEBARAN ||
info->family == CHIP_VEGA20 || info->family >= CHIP_NAVI12;
/* TODO: Figure out how to use LOAD_CONTEXT_REG on GFX6-GFX7. */
info->has_load_ctx_reg_pkt =
info->chip_class >= GFX9 || (info->chip_class >= GFX8 && info->me_fw_feature >= 41);

1
src/amd/common/ac_gpu_info.h
View file

@ -70,6 +70,7 @@ struct radeon_info {
bool has_load_ctx_reg_pkt;
bool has_out_of_order_rast;
bool has_packed_math_16bit;
bool has_accelerated_dot_product;
bool cpdma_prefetch_writes_memory;
bool has_gfx9_scissor_bug;
bool has_tc_compat_zrange_bug;