[PATCH 07/10] drm/tegra: Make syncpoints be per-context

From: Mikko Perttunen
Date: Sun Nov 05 2017 - 06:02:55 EST


As a preparation for each context potentially being able to have a
separate hardware channel, and thus requiring a separate syncpoint,
move syncpoints to be stored inside each context instead of global
client data.

Signed-off-by: Mikko Perttunen <mperttunen@xxxxxxxxxx>
---
drivers/gpu/drm/tegra/drm.c | 8 ++++----
drivers/gpu/drm/tegra/drm.h | 1 +
drivers/gpu/drm/tegra/gr2d.c | 2 ++
drivers/gpu/drm/tegra/gr3d.c | 2 ++
drivers/gpu/drm/tegra/vic.c | 2 ++
5 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 3e2a4a19412e..b964e18e3058 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -783,12 +783,12 @@ static int tegra_get_syncpt(struct drm_device *drm, void *data,
goto unlock;
}

- if (args->index >= context->client->base.num_syncpts) {
+ if (args->index >= 1) {
err = -EINVAL;
goto unlock;
}

- syncpt = context->client->base.syncpts[args->index];
+ syncpt = context->syncpt;
args->id = host1x_syncpt_id(syncpt);

unlock:
@@ -837,12 +837,12 @@ static int tegra_get_syncpt_base(struct drm_device *drm, void *data,
goto unlock;
}

- if (args->syncpt >= context->client->base.num_syncpts) {
+ if (args->syncpt >= 1) {
err = -EINVAL;
goto unlock;
}

- syncpt = context->client->base.syncpts[args->syncpt];
+ syncpt = context->syncpt;

base = host1x_syncpt_get_base(syncpt);
if (!base) {
diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index 079aebb3fb38..11d690846fd0 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -79,6 +79,7 @@ struct tegra_drm_context {

struct tegra_drm_client *client;
struct host1x_channel *channel;
+ struct host1x_syncpt *syncpt;
unsigned int id;
};

diff --git a/drivers/gpu/drm/tegra/gr2d.c b/drivers/gpu/drm/tegra/gr2d.c
index 6ea070da7718..3db3bcac48b9 100644
--- a/drivers/gpu/drm/tegra/gr2d.c
+++ b/drivers/gpu/drm/tegra/gr2d.c
@@ -76,6 +76,8 @@ static int gr2d_open_channel(struct tegra_drm_client *client,
if (!context->channel)
return -ENOMEM;

+ context->syncpt = client->base.syncpts[0];
+
return 0;
}

diff --git a/drivers/gpu/drm/tegra/gr3d.c b/drivers/gpu/drm/tegra/gr3d.c
index cee2ab645cde..279438342c8c 100644
--- a/drivers/gpu/drm/tegra/gr3d.c
+++ b/drivers/gpu/drm/tegra/gr3d.c
@@ -86,6 +86,8 @@ static int gr3d_open_channel(struct tegra_drm_client *client,
if (!context->channel)
return -ENOMEM;

+ context->syncpt = client->base.syncpts[0];
+
return 0;
}

diff --git a/drivers/gpu/drm/tegra/vic.c b/drivers/gpu/drm/tegra/vic.c
index 6697a21a250d..efe5f3af933e 100644
--- a/drivers/gpu/drm/tegra/vic.c
+++ b/drivers/gpu/drm/tegra/vic.c
@@ -240,6 +240,8 @@ static int vic_open_channel(struct tegra_drm_client *client,
return -ENOMEM;
}

+ context->syncpt = client->base.syncpts[0];
+
return 0;
}

--
2.14.2