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path: root/drivers/gpu/drm/tegra/drm.c
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Diffstat (limited to 'drivers/gpu/drm/tegra/drm.c')
-rw-r--r--drivers/gpu/drm/tegra/drm.c107
1 files changed, 63 insertions, 44 deletions
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index f96c237b2242..8d37d6b00562 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -21,24 +21,21 @@
#include <drm/drm_prime.h>
#include <drm/drm_vblank.h>
+#include "dc.h"
#include "drm.h"
#include "gem.h"
+#include "uapi.h"
#define DRIVER_NAME "tegra"
#define DRIVER_DESC "NVIDIA Tegra graphics"
#define DRIVER_DATE "20120330"
-#define DRIVER_MAJOR 0
+#define DRIVER_MAJOR 1
#define DRIVER_MINOR 0
#define DRIVER_PATCHLEVEL 0
#define CARVEOUT_SZ SZ_64M
#define CDMA_GATHER_FETCHES_MAX_NB 16383
-struct tegra_drm_file {
- struct idr contexts;
- struct mutex lock;
-};
-
static int tegra_atomic_check(struct drm_device *drm,
struct drm_atomic_state *state)
{
@@ -60,6 +57,17 @@ static const struct drm_mode_config_funcs tegra_drm_mode_config_funcs = {
.atomic_commit = drm_atomic_helper_commit,
};
+static void tegra_atomic_post_commit(struct drm_device *drm,
+ struct drm_atomic_state *old_state)
+{
+ struct drm_crtc_state *old_crtc_state __maybe_unused;
+ struct drm_crtc *crtc;
+ unsigned int i;
+
+ for_each_old_crtc_in_state(old_state, crtc, old_crtc_state, i)
+ tegra_crtc_atomic_post_commit(crtc, old_state);
+}
+
static void tegra_atomic_commit_tail(struct drm_atomic_state *old_state)
{
struct drm_device *drm = old_state->dev;
@@ -79,6 +87,8 @@ static void tegra_atomic_commit_tail(struct drm_atomic_state *old_state)
} else {
drm_atomic_helper_commit_tail_rpm(old_state);
}
+
+ tegra_atomic_post_commit(drm, old_state);
}
static const struct drm_mode_config_helper_funcs
@@ -94,7 +104,9 @@ static int tegra_drm_open(struct drm_device *drm, struct drm_file *filp)
if (!fpriv)
return -ENOMEM;
- idr_init_base(&fpriv->contexts, 1);
+ idr_init_base(&fpriv->legacy_contexts, 1);
+ xa_init_flags(&fpriv->contexts, XA_FLAGS_ALLOC1);
+ xa_init(&fpriv->syncpoints);
mutex_init(&fpriv->lock);
filp->driver_priv = fpriv;
@@ -107,20 +119,6 @@ static void tegra_drm_context_free(struct tegra_drm_context *context)
kfree(context);
}
-static struct host1x_bo *
-host1x_bo_lookup(struct drm_file *file, u32 handle)
-{
- struct drm_gem_object *gem;
- struct tegra_bo *bo;
-
- gem = drm_gem_object_lookup(file, handle);
- if (!gem)
- return NULL;
-
- bo = to_tegra_bo(gem);
- return &bo->base;
-}
-
static int host1x_reloc_copy_from_user(struct host1x_reloc *dest,
struct drm_tegra_reloc __user *src,
struct drm_device *drm,
@@ -151,11 +149,11 @@ static int host1x_reloc_copy_from_user(struct host1x_reloc *dest,
dest->flags = HOST1X_RELOC_READ | HOST1X_RELOC_WRITE;
- dest->cmdbuf.bo = host1x_bo_lookup(file, cmdbuf);
+ dest->cmdbuf.bo = tegra_gem_lookup(file, cmdbuf);
if (!dest->cmdbuf.bo)
return -ENOENT;
- dest->target.bo = host1x_bo_lookup(file, target);
+ dest->target.bo = tegra_gem_lookup(file, target);
if (!dest->target.bo)
return -ENOENT;
@@ -193,7 +191,7 @@ int tegra_drm_submit(struct tegra_drm_context *context,
return -EINVAL;
job = host1x_job_alloc(context->channel, args->num_cmdbufs,
- args->num_relocs);
+ args->num_relocs, false);
if (!job)
return -ENOMEM;
@@ -201,6 +199,7 @@ int tegra_drm_submit(struct tegra_drm_context *context,
job->client = client;
job->class = client->class;
job->serialize = true;
+ job->syncpt_recovery = true;
/*
* Track referenced BOs so that they can be unreferenced after the
@@ -237,7 +236,7 @@ int tegra_drm_submit(struct tegra_drm_context *context,
goto fail;
}
- bo = host1x_bo_lookup(file, cmdbuf.handle);
+ bo = tegra_gem_lookup(file, cmdbuf.handle);
if (!bo) {
err = -ENOENT;
goto fail;
@@ -432,7 +431,7 @@ static int tegra_client_open(struct tegra_drm_file *fpriv,
if (err < 0)
return err;
- err = idr_alloc(&fpriv->contexts, context, 1, 0, GFP_KERNEL);
+ err = idr_alloc(&fpriv->legacy_contexts, context, 1, 0, GFP_KERNEL);
if (err < 0) {
client->ops->close_channel(context);
return err;
@@ -487,13 +486,13 @@ static int tegra_close_channel(struct drm_device *drm, void *data,
mutex_lock(&fpriv->lock);
- context = idr_find(&fpriv->contexts, args->context);
+ context = idr_find(&fpriv->legacy_contexts, args->context);
if (!context) {
err = -EINVAL;
goto unlock;
}
- idr_remove(&fpriv->contexts, context->id);
+ idr_remove(&fpriv->legacy_contexts, context->id);
tegra_drm_context_free(context);
unlock:
@@ -512,7 +511,7 @@ static int tegra_get_syncpt(struct drm_device *drm, void *data,
mutex_lock(&fpriv->lock);
- context = idr_find(&fpriv->contexts, args->context);
+ context = idr_find(&fpriv->legacy_contexts, args->context);
if (!context) {
err = -ENODEV;
goto unlock;
@@ -541,7 +540,7 @@ static int tegra_submit(struct drm_device *drm, void *data,
mutex_lock(&fpriv->lock);
- context = idr_find(&fpriv->contexts, args->context);
+ context = idr_find(&fpriv->legacy_contexts, args->context);
if (!context) {
err = -ENODEV;
goto unlock;
@@ -566,7 +565,7 @@ static int tegra_get_syncpt_base(struct drm_device *drm, void *data,
mutex_lock(&fpriv->lock);
- context = idr_find(&fpriv->contexts, args->context);
+ context = idr_find(&fpriv->legacy_contexts, args->context);
if (!context) {
err = -ENODEV;
goto unlock;
@@ -735,10 +734,25 @@ static int tegra_gem_get_flags(struct drm_device *drm, void *data,
static const struct drm_ioctl_desc tegra_drm_ioctls[] = {
#ifdef CONFIG_DRM_TEGRA_STAGING
- DRM_IOCTL_DEF_DRV(TEGRA_GEM_CREATE, tegra_gem_create,
+ DRM_IOCTL_DEF_DRV(TEGRA_CHANNEL_OPEN, tegra_drm_ioctl_channel_open,
+ DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(TEGRA_CHANNEL_CLOSE, tegra_drm_ioctl_channel_close,
+ DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(TEGRA_CHANNEL_MAP, tegra_drm_ioctl_channel_map,
+ DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(TEGRA_CHANNEL_UNMAP, tegra_drm_ioctl_channel_unmap,
DRM_RENDER_ALLOW),
- DRM_IOCTL_DEF_DRV(TEGRA_GEM_MMAP, tegra_gem_mmap,
+ DRM_IOCTL_DEF_DRV(TEGRA_CHANNEL_SUBMIT, tegra_drm_ioctl_channel_submit,
DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(TEGRA_SYNCPOINT_ALLOCATE, tegra_drm_ioctl_syncpoint_allocate,
+ DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(TEGRA_SYNCPOINT_FREE, tegra_drm_ioctl_syncpoint_free,
+ DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(TEGRA_SYNCPOINT_WAIT, tegra_drm_ioctl_syncpoint_wait,
+ DRM_RENDER_ALLOW),
+
+ DRM_IOCTL_DEF_DRV(TEGRA_GEM_CREATE, tegra_gem_create, DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(TEGRA_GEM_MMAP, tegra_gem_mmap, DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(TEGRA_SYNCPT_READ, tegra_syncpt_read,
DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(TEGRA_SYNCPT_INCR, tegra_syncpt_incr,
@@ -792,10 +806,11 @@ static void tegra_drm_postclose(struct drm_device *drm, struct drm_file *file)
struct tegra_drm_file *fpriv = file->driver_priv;
mutex_lock(&fpriv->lock);
- idr_for_each(&fpriv->contexts, tegra_drm_context_cleanup, NULL);
+ idr_for_each(&fpriv->legacy_contexts, tegra_drm_context_cleanup, NULL);
+ tegra_drm_uapi_close_file(fpriv);
mutex_unlock(&fpriv->lock);
- idr_destroy(&fpriv->contexts);
+ idr_destroy(&fpriv->legacy_contexts);
mutex_destroy(&fpriv->lock);
kfree(fpriv);
}
@@ -853,7 +868,7 @@ static void tegra_debugfs_init(struct drm_minor *minor)
static const struct drm_driver tegra_drm_driver = {
.driver_features = DRIVER_MODESET | DRIVER_GEM |
- DRIVER_ATOMIC | DRIVER_RENDER,
+ DRIVER_ATOMIC | DRIVER_RENDER | DRIVER_SYNCOBJ,
.open = tegra_drm_open,
.postclose = tegra_drm_postclose,
.lastclose = drm_fb_helper_lastclose,
@@ -883,6 +898,14 @@ static const struct drm_driver tegra_drm_driver = {
int tegra_drm_register_client(struct tegra_drm *tegra,
struct tegra_drm_client *client)
{
+ /*
+ * When MLOCKs are implemented, change to allocate a shared channel
+ * only when MLOCKs are disabled.
+ */
+ client->shared_channel = host1x_channel_request(&client->base);
+ if (!client->shared_channel)
+ return -EBUSY;
+
mutex_lock(&tegra->clients_lock);
list_add_tail(&client->list, &tegra->clients);
client->drm = tegra;
@@ -899,6 +922,9 @@ int tegra_drm_unregister_client(struct tegra_drm *tegra,
client->drm = NULL;
mutex_unlock(&tegra->clients_lock);
+ if (client->shared_channel)
+ host1x_channel_put(client->shared_channel);
+
return 0;
}
@@ -1188,13 +1214,6 @@ static int host1x_drm_probe(struct host1x_device *dev)
goto device;
}
- /*
- * We don't use the drm_irq_install() helpers provided by the DRM
- * core, so we need to set this manually in order to allow the
- * DRM_IOCTL_WAIT_VBLANK to operate correctly.
- */
- drm->irq_enabled = true;
-
/* syncpoints are used for full 32-bit hardware VBLANK counters */
drm->max_vblank_count = 0xffffffff;
@@ -1204,7 +1223,7 @@ static int host1x_drm_probe(struct host1x_device *dev)
drm_mode_config_reset(drm);
- err = drm_aperture_remove_framebuffers(false, "tegradrmfb");
+ err = drm_aperture_remove_framebuffers(false, &tegra_drm_driver);
if (err < 0)
goto hub;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-19 13:46:35 +0000