diff options
| author | David Nieto <dmartineznie@nvidia.com> | 2016-11-11 01:50:20 -0500 |
|---|---|---|
| committer | Deepak Nibade <dnibade@nvidia.com> | 2016-12-27 04:56:52 -0500 |
| commit | 26265b997447c8c1fddac6a904ac4b6ef2b2f3b5 (patch) | |
| tree | f554465c507c2ef6f66758a73e987975d725b6ea /drivers/gpu/nvgpu/gp106/clk_gp106.c | |
| parent | cd25b202361ace2a04594de38a48f66aa75e1cb8 (diff) | |
gpu: nvgpu: arb: fix rounding in effective clocks
Current code cast casting the frequency to 16 bit
before division, giving out incorrect data
JIRA DNVGPU-164
Change-Id: I4eb1fa73fb9e8963f550d3d853db39b49b990fa4
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: http://git-master/r/1251663
(cherry picked from commit c0d91a054f8278af9a2383bb3f837465779132a9)
Reviewed-on: http://git-master/r/1274546
Reviewed-by: Automatic_Commit_Validation_User
Tested-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/gp106/clk_gp106.c')
| -rw-r--r-- | drivers/gpu/nvgpu/gp106/clk_gp106.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/nvgpu/gp106/clk_gp106.c b/drivers/gpu/nvgpu/gp106/clk_gp106.c index 0e9f8d3a..4c9bc782 100644 --- a/drivers/gpu/nvgpu/gp106/clk_gp106.c +++ b/drivers/gpu/nvgpu/gp106/clk_gp106.c | |||
| @@ -67,7 +67,8 @@ static u16 gp106_clk_get_rate(struct gk20a *g, u32 api_domain) | |||
| 67 | freq_khz = c->is_counter ? c->scale * gp106_get_rate_cntr(g, c) : | 67 | freq_khz = c->is_counter ? c->scale * gp106_get_rate_cntr(g, c) : |
| 68 | 0; /* TODO: PLL read */ | 68 | 0; /* TODO: PLL read */ |
| 69 | 69 | ||
| 70 | return (u16) freq_khz/1000; | 70 | /* Convert to MHZ */ |
| 71 | return (u16) (freq_khz/1000); | ||
| 71 | } | 72 | } |
| 72 | 73 | ||
| 73 | static int gp106_init_clk_support(struct gk20a *g) { | 74 | static int gp106_init_clk_support(struct gk20a *g) { |