From 0250221955bca63ad1ff7e3474e4886132cf8445 Mon Sep 17 00:00:00 2001 From: Thomas Fleury Date: Thu, 27 Oct 2016 10:28:37 -0700 Subject: gpu: nvgpu: support negative temperatures Jira DNVGPU-166 Change-Id: Id0561d49c64096ad5cbcd23bd371b49b2e0db57c Signed-off-by: Thomas Fleury Reviewed-on: http://git-master/r/1245557 (cherry picked from commit 2e0269c76fdda5c8e1a30ca7ef73a08ebe644f88) Reviewed-on: http://git-master/r/1267156 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom --- include/uapi/linux/nvgpu.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/uapi/linux/nvgpu.h b/include/uapi/linux/nvgpu.h index 16aa51b2..0aeea4f0 100644 --- a/include/uapi/linux/nvgpu.h +++ b/include/uapi/linux/nvgpu.h @@ -743,7 +743,10 @@ struct nvgpu_gpu_get_power_args { struct nvgpu_gpu_get_temperature_args { __u32 reserved[3]; - __u32 temperature; /* mC */ + /* Temperature in signed fixed point format SFXP24.8 + * Celsius = temp_f24_8 / 256. + */ + __s32 temp_f24_8; }; #define NVGPU_GPU_IOCTL_ZCULL_GET_CTX_SIZE \ -- cgit v1.2.2