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gpu: host1x: Store pointer to client in jobs

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Rather than storing some identifier derived from the application
context that can't be used concretely anywhere, store a pointer to the
client directly so that accesses can be made directly through that
client object.

Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2018-05-16 14:12:33 +02:00
parent 24c94e166d
commit bf3d41ccab
4 changed files with 7 additions and 5 deletions
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5
drivers/gpu/drm/tegra/drm.c
View File

@ -325,6 +325,7 @@ int tegra_drm_submit(struct tegra_drm_context *context,
struct drm_tegra_submit *args, struct drm_device *drm,
struct drm_file *file)
{
struct host1x_client *client = &context->client->base;
unsigned int num_cmdbufs = args->num_cmdbufs;
unsigned int num_relocs = args->num_relocs;
struct drm_tegra_cmdbuf __user *user_cmdbufs;
@ -356,8 +357,8 @@ int tegra_drm_submit(struct tegra_drm_context *context,
return -ENOMEM;
job->num_relocs = args->num_relocs;
job->client = (u32)args->context;
job->class = context->client->base.class;
job->client = client;
job->class = client->class;
job->serialize = true;
/*

2
drivers/gpu/host1x/cdma.c
View File

@ -247,7 +247,7 @@ static void cdma_start_timer_locked(struct host1x_cdma *cdma,
static void stop_cdma_timer_locked(struct host1x_cdma *cdma)
{
cancel_delayed_work(&cdma->timeout.wq);
cdma->timeout.client = 0;
cdma->timeout.client = NULL;
}
/*

2
drivers/gpu/host1x/cdma.h
View File

@ -58,7 +58,7 @@ struct buffer_timeout {
u32 syncpt_val; /* syncpt value when completed */
ktime_t start_ktime; /* starting time */
/* context timeout information */
int client;
struct host1x_client *client;
};
enum cdma_event {

3
include/linux/host1x.h
View File

@ -202,7 +202,8 @@ struct host1x_job {
/* Channel where job is submitted to */
struct host1x_channel *channel;
u32 client;
/* client where the job originated */
struct host1x_client *client;
/* Gathers and their memory */
struct host1x_job_gather *gathers;