diff options
Diffstat (limited to 'drivers/gpu/nvgpu/vgpu/fecs_trace_vgpu.c')
-rw-r--r-- | drivers/gpu/nvgpu/vgpu/fecs_trace_vgpu.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/vgpu/fecs_trace_vgpu.c b/drivers/gpu/nvgpu/vgpu/fecs_trace_vgpu.c index 634932b7..c80da26d 100644 --- a/drivers/gpu/nvgpu/vgpu/fecs_trace_vgpu.c +++ b/drivers/gpu/nvgpu/vgpu/fecs_trace_vgpu.c | |||
@@ -26,6 +26,7 @@ struct vgpu_fecs_trace { | |||
26 | struct nvgpu_ctxsw_ring_header *header; | 26 | struct nvgpu_ctxsw_ring_header *header; |
27 | struct nvgpu_ctxsw_trace_entry *entries; | 27 | struct nvgpu_ctxsw_trace_entry *entries; |
28 | int num_entries; | 28 | int num_entries; |
29 | bool enabled; | ||
29 | void *buf; | 30 | void *buf; |
30 | }; | 31 | }; |
31 | 32 | ||
@@ -104,6 +105,7 @@ static int vgpu_fecs_trace_deinit(struct gk20a *g) | |||
104 | 105 | ||
105 | static int vgpu_fecs_trace_enable(struct gk20a *g) | 106 | static int vgpu_fecs_trace_enable(struct gk20a *g) |
106 | { | 107 | { |
108 | struct vgpu_fecs_trace *vcst = (struct vgpu_fecs_trace *)g->fecs_trace; | ||
107 | struct tegra_vgpu_cmd_msg msg = { | 109 | struct tegra_vgpu_cmd_msg msg = { |
108 | .cmd = TEGRA_VGPU_CMD_FECS_TRACE_ENABLE, | 110 | .cmd = TEGRA_VGPU_CMD_FECS_TRACE_ENABLE, |
109 | .handle = vgpu_get_handle(g), | 111 | .handle = vgpu_get_handle(g), |
@@ -113,23 +115,33 @@ static int vgpu_fecs_trace_enable(struct gk20a *g) | |||
113 | err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); | 115 | err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); |
114 | err = err ? err : msg.ret; | 116 | err = err ? err : msg.ret; |
115 | WARN_ON(err); | 117 | WARN_ON(err); |
118 | vcst->enabled = !err; | ||
116 | return err; | 119 | return err; |
117 | } | 120 | } |
118 | 121 | ||
119 | static int vgpu_fecs_trace_disable(struct gk20a *g) | 122 | static int vgpu_fecs_trace_disable(struct gk20a *g) |
120 | { | 123 | { |
124 | struct vgpu_fecs_trace *vcst = (struct vgpu_fecs_trace *)g->fecs_trace; | ||
121 | struct tegra_vgpu_cmd_msg msg = { | 125 | struct tegra_vgpu_cmd_msg msg = { |
122 | .cmd = TEGRA_VGPU_CMD_FECS_TRACE_DISABLE, | 126 | .cmd = TEGRA_VGPU_CMD_FECS_TRACE_DISABLE, |
123 | .handle = vgpu_get_handle(g), | 127 | .handle = vgpu_get_handle(g), |
124 | }; | 128 | }; |
125 | int err; | 129 | int err; |
126 | 130 | ||
131 | vcst->enabled = false; | ||
127 | err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); | 132 | err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg)); |
128 | err = err ? err : msg.ret; | 133 | err = err ? err : msg.ret; |
129 | WARN_ON(err); | 134 | WARN_ON(err); |
130 | return err; | 135 | return err; |
131 | } | 136 | } |
132 | 137 | ||
138 | static bool vpgpu_fecs_trace_is_enabled(struct gk20a *g) | ||
139 | { | ||
140 | struct vgpu_fecs_trace *vcst = (struct vgpu_fecs_trace *)g->fecs_trace; | ||
141 | |||
142 | return (vcst && vcst->enabled); | ||
143 | } | ||
144 | |||
133 | static int vgpu_fecs_trace_poll(struct gk20a *g) | 145 | static int vgpu_fecs_trace_poll(struct gk20a *g) |
134 | { | 146 | { |
135 | struct tegra_vgpu_cmd_msg msg = { | 147 | struct tegra_vgpu_cmd_msg msg = { |
@@ -208,6 +220,7 @@ void vgpu_init_fecs_trace_ops(struct gpu_ops *ops) | |||
208 | ops->fecs_trace.deinit = vgpu_fecs_trace_deinit; | 220 | ops->fecs_trace.deinit = vgpu_fecs_trace_deinit; |
209 | ops->fecs_trace.enable = vgpu_fecs_trace_enable; | 221 | ops->fecs_trace.enable = vgpu_fecs_trace_enable; |
210 | ops->fecs_trace.disable = vgpu_fecs_trace_disable; | 222 | ops->fecs_trace.disable = vgpu_fecs_trace_disable; |
223 | ops->fecs_trace.is_enabled = vpgpu_fecs_trace_is_enabled; | ||
211 | ops->fecs_trace.reset = NULL; | 224 | ops->fecs_trace.reset = NULL; |
212 | ops->fecs_trace.flush = NULL; | 225 | ops->fecs_trace.flush = NULL; |
213 | ops->fecs_trace.poll = vgpu_fecs_trace_poll; | 226 | ops->fecs_trace.poll = vgpu_fecs_trace_poll; |