diff options
author | Seshendra Gadagottu <sgadagottu@nvidia.com> | 2016-01-26 20:53:12 -0500 |
---|---|---|
committer | Deepak Nibade <dnibade@nvidia.com> | 2016-12-27 04:52:10 -0500 |
commit | d730381f938e67313968c76b34fec0c6f79f0532 (patch) | |
tree | 1deacb2ca35eb6c897c49ca68c0e72f70bd18787 /drivers/gpu/nvgpu/gp10b/therm_gp10b.c | |
parent | b8db86a6b63231c488dc0ebca14c61e4c54a3c23 (diff) |
gpu: nvgpu: gp10b: add delay cycles before engine gating
For copy engine, add 16 clock cycle delay
before engine clock gating.
Bug 1717152
Change-Id: Ife92299c052f44000bc0d900f0129a2eab13f3b5
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/998408
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/gp10b/therm_gp10b.c')
-rw-r--r-- | drivers/gpu/nvgpu/gp10b/therm_gp10b.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/gp10b/therm_gp10b.c b/drivers/gpu/nvgpu/gp10b/therm_gp10b.c index 7bf0c0e5..687593b0 100644 --- a/drivers/gpu/nvgpu/gp10b/therm_gp10b.c +++ b/drivers/gpu/nvgpu/gp10b/therm_gp10b.c | |||
@@ -78,8 +78,22 @@ static int gp10b_init_therm_setup_hw(struct gk20a *g) | |||
78 | return 0; | 78 | return 0; |
79 | } | 79 | } |
80 | 80 | ||
81 | static int gp10b_update_therm_gate_ctrl(struct gk20a *g) | ||
82 | { | ||
83 | u32 gate_ctrl; | ||
84 | |||
85 | gate_ctrl = gk20a_readl(g, therm_gate_ctrl_r(ENGINE_CE2_GK20A)); | ||
86 | gate_ctrl = set_field(gate_ctrl, | ||
87 | therm_gate_ctrl_eng_delay_before_m(), | ||
88 | therm_gate_ctrl_eng_delay_before_f(4)); | ||
89 | gk20a_writel(g, therm_gate_ctrl_r(ENGINE_CE2_GK20A), gate_ctrl); | ||
90 | |||
91 | return 0; | ||
92 | } | ||
93 | |||
81 | void gp10b_init_therm_ops(struct gpu_ops *gops) | 94 | void gp10b_init_therm_ops(struct gpu_ops *gops) |
82 | { | 95 | { |
83 | gops->therm.init_therm_setup_hw = gp10b_init_therm_setup_hw; | 96 | gops->therm.init_therm_setup_hw = gp10b_init_therm_setup_hw; |
97 | gops->therm.update_therm_gate_ctrl = gp10b_update_therm_gate_ctrl; | ||
84 | 98 | ||
85 | } | 99 | } |