diff options
Diffstat (limited to 'drivers/gpu/drm/tegra/drm.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/drm.c | 107 |
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; |