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/os/linux/vgpu/vgpu_linux.c | |
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/os/linux/vgpu/vgpu_linux.c')
-rw-r--r-- | drivers/gpu/nvgpu/os/linux/vgpu/vgpu_linux.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/os/linux/vgpu/vgpu_linux.c b/drivers/gpu/nvgpu/os/linux/vgpu/vgpu_linux.c index 91e94696..522f1b86 100644 --- a/drivers/gpu/nvgpu/os/linux/vgpu/vgpu_linux.c +++ b/drivers/gpu/nvgpu/os/linux/vgpu/vgpu_linux.c | |||
@@ -69,6 +69,7 @@ static void vgpu_init_vars(struct gk20a *g, struct gk20a_platform *platform) | |||
69 | nvgpu_mutex_init(&g->power_lock); | 69 | nvgpu_mutex_init(&g->power_lock); |
70 | nvgpu_mutex_init(&g->ctxsw_disable_lock); | 70 | nvgpu_mutex_init(&g->ctxsw_disable_lock); |
71 | nvgpu_mutex_init(&g->clk_arb_enable_lock); | 71 | nvgpu_mutex_init(&g->clk_arb_enable_lock); |
72 | nvgpu_mutex_init(&g->cg_pg_lock); | ||
72 | 73 | ||
73 | nvgpu_mutex_init(&priv->vgpu_clk_get_freq_lock); | 74 | nvgpu_mutex_init(&priv->vgpu_clk_get_freq_lock); |
74 | 75 | ||