diff options
author | Debarshi Dutta <ddutta@nvidia.com> | 2019-04-30 04:24:08 -0400 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2019-05-09 17:41:30 -0400 |
commit | c81cc032c48a1b25e095b17b77399166c9091ff3 (patch) | |
tree | ace7d238c55bbb5e96fb6fd74deb156f3c513bae /drivers/gpu/nvgpu/common/priv_ring | |
parent | f495f52c70c6bd7b7a4e6897270e4696efa57d5c (diff) |
gpu: nvgpu: add cg and pg function
Add new power/clock gating functions that can be called by
other units.
New clock_gating functions will reside in cg.c under
common/power_features/cg unit.
New power gating functions will reside in pg.c under
common/power_features/pg unit.
Use nvgpu_pg_elpg_disable and nvgpu_pg_elpg_enable to disable/enable
elpg and also in gr_gk20a_elpg_protected macro to access gr registers.
Add cg_pg_lock to make elpg_enabled, elcg_enabled, blcg_enabled
and slcg_enabled thread safe.
JIRA NVGPU-2014
Change-Id: I00d124c2ee16242c9a3ef82e7620fbb7f1297aff
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2025493
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry-picked from c90585856567a547173a8b207365b3a4a3ccdd57 in
dev-kernel)
Reviewed-on: https://git-master.nvidia.com/r/2108406
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/common/priv_ring')
-rw-r--r-- | drivers/gpu/nvgpu/common/priv_ring/priv_ring_gm20b.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/nvgpu/common/priv_ring/priv_ring_gm20b.c b/drivers/gpu/nvgpu/common/priv_ring/priv_ring_gm20b.c index e30d94f9..8c9b23fa 100644 --- a/drivers/gpu/nvgpu/common/priv_ring/priv_ring_gm20b.c +++ b/drivers/gpu/nvgpu/common/priv_ring/priv_ring_gm20b.c | |||
@@ -26,6 +26,7 @@ | |||
26 | #include <nvgpu/enabled.h> | 26 | #include <nvgpu/enabled.h> |
27 | #include <nvgpu/io.h> | 27 | #include <nvgpu/io.h> |
28 | #include <nvgpu/utils.h> | 28 | #include <nvgpu/utils.h> |
29 | #include <nvgpu/power_features/cg.h> | ||
29 | 30 | ||
30 | #include "priv_ring_gm20b.h" | 31 | #include "priv_ring_gm20b.h" |
31 | 32 | ||
@@ -41,10 +42,7 @@ void gm20b_priv_ring_enable(struct gk20a *g) | |||
41 | 42 | ||
42 | nvgpu_log(g, gpu_dbg_info, "enabling priv ring"); | 43 | nvgpu_log(g, gpu_dbg_info, "enabling priv ring"); |
43 | 44 | ||
44 | if (g->ops.clock_gating.slcg_priring_load_gating_prod) { | 45 | nvgpu_cg_slcg_priring_load_enable(g); |
45 | g->ops.clock_gating.slcg_priring_load_gating_prod(g, | ||
46 | g->slcg_enabled); | ||
47 | } | ||
48 | 46 | ||
49 | gk20a_writel(g,pri_ringmaster_command_r(), | 47 | gk20a_writel(g,pri_ringmaster_command_r(), |
50 | 0x4); | 48 | 0x4); |