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winsys/amdgpu: compute num_good_compute_units correctly 

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-01-19 17:43:11 +01:00
parent 0d8e4f958f
commit 2b66bc87d4
1 changed files with 5 additions and 10 deletions
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15
src/gallium/winsys/amdgpu/drm/amdgpu_winsys.c
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@ -266,17 +266,12 @@ static boolean do_winsys_init(struct amdgpu_winsys *ws)
ws->info.r600_virtual_address = TRUE;
ws->info.r600_has_dma = dma.available_rings != 0;
/* Guess what the maximum compute unit number is by looking at the mask
* of enabled CUs.
*/
/* Get the number of good compute units. */
ws->info.num_good_compute_units = 0;
for (i = 0; i < ws->info.max_se; i++)
for (j = 0; j < ws->info.max_sh_per_se; j++) {
unsigned max = util_last_bit(ws->amdinfo.cu_bitmap[i][j]);
if (ws->info.num_good_compute_units < max)
ws->info.num_good_compute_units = max;
}
ws->info.num_good_compute_units *= ws->info.max_se * ws->info.max_sh_per_se;
for (j = 0; j < ws->info.max_sh_per_se; j++)
ws->info.num_good_compute_units +=
util_bitcount(ws->amdinfo.cu_bitmap[i][j]);
memcpy(ws->info.si_tile_mode_array, ws->amdinfo.gb_tile_mode,
sizeof(ws->amdinfo.gb_tile_mode));