nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-23 09:57:08 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: add gr utils function for simple checksum

Browse Source 
Added following gr utils function for simple u32 checksum:
static inline u32 nvgpu_gr_checksum_u32(u32 a, u32 b)
{
	return (u32)(((u64)a + (u64)b) % (U32_MAX));
}

JIRA NVGPU-3622

Change-Id: I9798fd3b21750c34a040639c7793e65123935d41
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2133795
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Seshendra Gadagottu
2019-06-10 12:38:40 -07:00
committed by mobile promotions
parent d17b2b9622
commit fd2fb6dbc7
1 changed files with 7 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/nvgpu/include/nvgpu/gr/gr_utils.h
View File

@@ -23,6 +23,8 @@
#ifndef NVGPU_GR_UTILS_H
#define NVGPU_GR_UTILS_H
#include <nvgpu/types.h>
struct gk20a;
struct nvgpu_gr_falcon;
struct nvgpu_gr_obj_ctx_golden_image;
@@ -36,6 +38,11 @@ struct nvgpu_gr_hwpm_map;
struct nvgpu_gr_intr;
struct nvgpu_gr_global_ctx_buffer_desc;
static inline u32 nvgpu_gr_checksum_u32(u32 a, u32 b)
{
return (u32)(((u64)a + (u64)b) % (U32_MAX));
}
/* gr struct pointers */
struct nvgpu_gr_falcon *nvgpu_gr_get_falcon_ptr(struct gk20a *g);
struct nvgpu_gr_obj_ctx_golden_image *nvgpu_gr_get_golden_image_ptr(