diff options
author | Terje Bergstrom <tbergstrom@nvidia.com> | 2017-08-08 13:53:25 -0400 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2017-09-12 16:00:19 -0400 |
commit | 89772b03cb093b3556dd4803e5a8deee60046ac9 (patch) | |
tree | c609de388b57161e9bb58ff21ef5aaf7ab663a5e /drivers/gpu/nvgpu/gp106/xve_gp106.h | |
parent | b610bb95108afe54895219e06859cf241fabc9db (diff) |
gpu: nvgpu: Move XVE debugfs code to Linux module
Move XVE debugfs initialization code to live under common/linux.
JIRA NVGPU-62
Change-Id: Ic6677511d249bc0a2455dde01db5b230afc70bb1
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1535133
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/gp106/xve_gp106.h')
-rw-r--r-- | drivers/gpu/nvgpu/gp106/xve_gp106.h | 51 |
1 files changed, 1 insertions, 50 deletions
diff --git a/drivers/gpu/nvgpu/gp106/xve_gp106.h b/drivers/gpu/nvgpu/gp106/xve_gp106.h index 37ead910..55192fc8 100644 --- a/drivers/gpu/nvgpu/gp106/xve_gp106.h +++ b/drivers/gpu/nvgpu/gp106/xve_gp106.h | |||
@@ -29,55 +29,6 @@ int gp106_init_xve_ops(struct gpu_ops *gops); | |||
29 | #define GPU_XVE_TIMEOUT_MS 500 | 29 | #define GPU_XVE_TIMEOUT_MS 500 |
30 | 30 | ||
31 | /* | 31 | /* |
32 | * For the available speeds bitmap. | ||
33 | */ | ||
34 | #define GPU_XVE_SPEED_2P5 (1 << 0) | ||
35 | #define GPU_XVE_SPEED_5P0 (1 << 1) | ||
36 | #define GPU_XVE_SPEED_8P0 (1 << 2) | ||
37 | #define GPU_XVE_NR_SPEEDS 3 | ||
38 | |||
39 | #define GPU_XVE_SPEED_MASK (GPU_XVE_SPEED_2P5 | \ | ||
40 | GPU_XVE_SPEED_5P0 | \ | ||
41 | GPU_XVE_SPEED_8P0) | ||
42 | |||
43 | /* | ||
44 | * The HW uses a 2 bit field where speed is defined by a number: | ||
45 | * | ||
46 | * NV_XVE_LINK_CONTROL_STATUS_LINK_SPEED_2P5 = 1 | ||
47 | * NV_XVE_LINK_CONTROL_STATUS_LINK_SPEED_5P0 = 2 | ||
48 | * NV_XVE_LINK_CONTROL_STATUS_LINK_SPEED_8P0 = 3 | ||
49 | * | ||
50 | * This isn't ideal for a bitmap with available speeds. So the external | ||
51 | * APIs think about speeds as a bit in a bitmap and this function converts | ||
52 | * from those bits to the actual HW speed setting. | ||
53 | * | ||
54 | * @speed_bit must have only 1 bit set and must be one of the 3 available | ||
55 | * HW speeds. Not all chips support all speeds so use available_speeds() to | ||
56 | * determine what a given chip supports. | ||
57 | */ | ||
58 | static inline u32 xve_speed_to_hw_speed_setting(u32 speed_bit) | ||
59 | { | ||
60 | if (!speed_bit || | ||
61 | !is_power_of_2(speed_bit) || | ||
62 | !(speed_bit & GPU_XVE_SPEED_MASK)) | ||
63 | return -EINVAL; | ||
64 | |||
65 | return ilog2(speed_bit) + 1; | ||
66 | } | ||
67 | |||
68 | static inline const char *xve_speed_to_str(u32 speed) | ||
69 | { | ||
70 | if (!speed || !is_power_of_2(speed) || | ||
71 | !(speed & GPU_XVE_SPEED_MASK)) | ||
72 | return "Unknown ???"; | ||
73 | |||
74 | return speed & GPU_XVE_SPEED_2P5 ? "Gen1" : | ||
75 | speed & GPU_XVE_SPEED_5P0 ? "Gen2" : | ||
76 | speed & GPU_XVE_SPEED_8P0 ? "Gen3" : | ||
77 | "Unknown ???"; | ||
78 | } | ||
79 | |||
80 | /* | ||
81 | * Debugging for the speed change. | 32 | * Debugging for the speed change. |
82 | */ | 33 | */ |
83 | enum xv_speed_change_steps { | 34 | enum xv_speed_change_steps { |
@@ -104,7 +55,7 @@ int xve_get_speed_gp106(struct gk20a *g, u32 *xve_link_speed); | |||
104 | void xve_disable_aspm_gp106(struct gk20a *g); | 55 | void xve_disable_aspm_gp106(struct gk20a *g); |
105 | int xve_set_speed_gp106(struct gk20a *g, u32 next_link_speed); | 56 | int xve_set_speed_gp106(struct gk20a *g, u32 next_link_speed); |
106 | void xve_available_speeds_gp106(struct gk20a *g, u32 *speed_mask); | 57 | void xve_available_speeds_gp106(struct gk20a *g, u32 *speed_mask); |
107 | int xve_sw_init_gp106(struct gk20a *g); | 58 | u32 xve_get_link_control_status(struct gk20a *g); |
108 | #if defined(CONFIG_PCI_MSI) | 59 | #if defined(CONFIG_PCI_MSI) |
109 | void xve_rearm_msi_gp106(struct gk20a *g); | 60 | void xve_rearm_msi_gp106(struct gk20a *g); |
110 | #endif | 61 | #endif |