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gpu: nvgpu: Post GR_SEMAPHORE_WRITE_AWAKEN event

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Post GR_SEMAPHORE_WRITE_AWAKEN event on semaphore write awken
interrupt for channel.

BUG 200223530

Change-Id: I19eb61578d1c562be84e20ecaff9fb3bc9ace516
Signed-off-by: Nikhil Mahale <nmahale@nvidia.com>
Reviewed-on: http://git-master/r/1193726
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Nikhil Mahale
2016-07-28 22:06:15 +05:30
committed by mobile promotions
parent 2d593e737d
commit 7b9bf036f4
2 changed files with 12 additions and 1 deletions
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10
drivers/gpu/nvgpu/gk20a/gr_gk20a.c
View File

@@ -5436,6 +5436,16 @@ static int gk20a_gr_handle_semaphore_pending(struct gk20a *g,
struct fifo_gk20a *f = &g->fifo;
struct channel_gk20a *ch = &f->channel[isr_data->chid];
if (gk20a_is_channel_marked_as_tsg(ch)) {
struct tsg_gk20a *tsg = &g->fifo.tsg[ch->tsgid];
gk20a_tsg_event_id_post_event(tsg,
NVGPU_IOCTL_CHANNEL_EVENT_ID_GR_SEMAPHORE_WRITE_AWAKEN);
} else {
gk20a_channel_event_id_post_event(ch,
NVGPU_IOCTL_CHANNEL_EVENT_ID_GR_SEMAPHORE_WRITE_AWAKEN);
}
wake_up_interruptible_all(&ch->semaphore_wq);
return 0;

3
include/uapi/linux/nvgpu.h
View File

@@ -1138,7 +1138,8 @@ struct nvgpu_event_id_ctrl_args {
#define NVGPU_IOCTL_CHANNEL_EVENT_ID_BPT_INT 0
#define NVGPU_IOCTL_CHANNEL_EVENT_ID_BPT_PAUSE 1
#define NVGPU_IOCTL_CHANNEL_EVENT_ID_BLOCKING_SYNC 2
#define NVGPU_IOCTL_CHANNEL_EVENT_ID_MAX 5
#define NVGPU_IOCTL_CHANNEL_EVENT_ID_GR_SEMAPHORE_WRITE_AWAKEN 5
#define NVGPU_IOCTL_CHANNEL_EVENT_ID_MAX 6
#define NVGPU_IOCTL_CHANNEL_EVENT_ID_CMD_ENABLE 1