xiaomi-sm8450/android_kernel_xiaomi_sm8450
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gru: allow users to specify gru chiplet 2

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Add support to the GRU driver to allow users to specify the blade &
chiplet for allocation of GRU contexts.  Add new statistics for context
loading/unloading/retargeting.  Also deleted a few GRU stats that were no
longer being unused.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jack Steiner
2009-12-15 16:48:05 -08:00
committed by Linus Torvalds
parent 518e5cd4aa
commit 55484c45db
6 changed files with 109 additions and 80 deletions
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8
drivers/misc/sgi-gru/grukservices.c
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@@ -160,8 +160,10 @@ static void gru_load_kernel_context(struct gru_blade_state *bs, int blade_id)
up_read(&bs->bs_kgts_sema);
down_write(&bs->bs_kgts_sema);
if (!bs->bs_kgts)
if (!bs->bs_kgts) {
bs->bs_kgts = gru_alloc_gts(NULL, 0, 0, 0, 0);
bs->bs_kgts->ts_user_blade_id = blade_id;
}
kgts = bs->bs_kgts;
if (!kgts->ts_gru) {
@@ -172,9 +174,9 @@ static void gru_load_kernel_context(struct gru_blade_state *bs, int blade_id)
kgts->ts_dsr_au_count = GRU_DS_BYTES_TO_AU(
GRU_NUM_KERNEL_DSR_BYTES * ncpus +
bs->bs_async_dsr_bytes);
while (!gru_assign_gru_context(kgts, blade_id)) {
while (!gru_assign_gru_context(kgts)) {
msleep(1);
gru_steal_context(kgts, blade_id);
gru_steal_context(kgts);
}
gru_load_context(kgts);
gru = bs->bs_kgts->ts_gru;