diff options
Diffstat (limited to 'drivers/gpu/drm/drm_context.c')
| -rw-r--r-- | drivers/gpu/drm/drm_context.c | 81 |
1 files changed, 65 insertions, 16 deletions
diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c index 725968d38976..b4fb86d89850 100644 --- a/drivers/gpu/drm/drm_context.c +++ b/drivers/gpu/drm/drm_context.c @@ -42,10 +42,6 @@ #include <drm/drmP.h> -/******************************************************************/ -/** \name Context bitmap support */ -/*@{*/ - /** * Free a handle from the context bitmap. * @@ -56,13 +52,48 @@ * in drm_device::ctx_idr, while holding the drm_device::struct_mutex * lock. */ -void drm_ctxbitmap_free(struct drm_device * dev, int ctx_handle) +static void drm_ctxbitmap_free(struct drm_device * dev, int ctx_handle) { + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return; + mutex_lock(&dev->struct_mutex); idr_remove(&dev->ctx_idr, ctx_handle); mutex_unlock(&dev->struct_mutex); } +/******************************************************************/ +/** \name Context bitmap support */ +/*@{*/ + +void drm_legacy_ctxbitmap_release(struct drm_device *dev, + struct drm_file *file_priv) +{ + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return; + + mutex_lock(&dev->ctxlist_mutex); + if (!list_empty(&dev->ctxlist)) { + struct drm_ctx_list *pos, *n; + + list_for_each_entry_safe(pos, n, &dev->ctxlist, head) { + if (pos->tag == file_priv && + pos->handle != DRM_KERNEL_CONTEXT) { + if (dev->driver->context_dtor) + dev->driver->context_dtor(dev, + pos->handle); + + drm_ctxbitmap_free(dev, pos->handle); + + list_del(&pos->head); + kfree(pos); + --dev->ctx_count; + } + } + } + mutex_unlock(&dev->ctxlist_mutex); +} + /** * Context bitmap allocation. * @@ -90,10 +121,12 @@ static int drm_ctxbitmap_next(struct drm_device * dev) * * Initialise the drm_device::ctx_idr */ -int drm_ctxbitmap_init(struct drm_device * dev) +void drm_legacy_ctxbitmap_init(struct drm_device * dev) { + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return; + idr_init(&dev->ctx_idr); - return 0; } /** @@ -104,7 +137,7 @@ int drm_ctxbitmap_init(struct drm_device * dev) * Free all idr members using drm_ctx_sarea_free helper function * while holding the drm_device::struct_mutex lock. */ -void drm_ctxbitmap_cleanup(struct drm_device * dev) +void drm_legacy_ctxbitmap_cleanup(struct drm_device * dev) { mutex_lock(&dev->struct_mutex); idr_destroy(&dev->ctx_idr); @@ -136,6 +169,9 @@ int drm_getsareactx(struct drm_device *dev, void *data, struct drm_local_map *map; struct drm_map_list *_entry; + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + mutex_lock(&dev->struct_mutex); map = idr_find(&dev->ctx_idr, request->ctx_id); @@ -180,6 +216,9 @@ int drm_setsareactx(struct drm_device *dev, void *data, struct drm_local_map *map = NULL; struct drm_map_list *r_list = NULL; + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + mutex_lock(&dev->struct_mutex); list_for_each_entry(r_list, &dev->maplist, head) { if (r_list->map @@ -251,7 +290,6 @@ static int drm_context_switch_complete(struct drm_device *dev, struct drm_file *file_priv, int new) { dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ - dev->last_switch = jiffies; if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock)) { DRM_ERROR("Lock isn't held after context switch\n"); @@ -261,7 +299,6 @@ static int drm_context_switch_complete(struct drm_device *dev, when the kernel holds the lock, release that lock here. */ clear_bit(0, &dev->context_flag); - wake_up(&dev->context_wait); return 0; } @@ -282,6 +319,9 @@ int drm_resctx(struct drm_device *dev, void *data, struct drm_ctx ctx; int i; + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + if (res->count >= DRM_RESERVED_CONTEXTS) { memset(&ctx, 0, sizeof(ctx)); for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { @@ -312,6 +352,9 @@ int drm_addctx(struct drm_device *dev, void *data, struct drm_ctx_list *ctx_entry; struct drm_ctx *ctx = data; + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + ctx->handle = drm_ctxbitmap_next(dev); if (ctx->handle == DRM_KERNEL_CONTEXT) { /* Skip kernel's context and get a new one. */ @@ -342,12 +385,6 @@ int drm_addctx(struct drm_device *dev, void *data, return 0; } -int drm_modctx(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - /* This does nothing */ - return 0; -} - /** * Get context. * @@ -361,6 +398,9 @@ int drm_getctx(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_ctx *ctx = data; + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + /* This is 0, because we don't handle any context flags */ ctx->flags = 0; @@ -383,6 +423,9 @@ int drm_switchctx(struct drm_device *dev, void *data, { struct drm_ctx *ctx = data; + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + DRM_DEBUG("%d\n", ctx->handle); return drm_context_switch(dev, dev->last_context, ctx->handle); } @@ -403,6 +446,9 @@ int drm_newctx(struct drm_device *dev, void *data, { struct drm_ctx *ctx = data; + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + DRM_DEBUG("%d\n", ctx->handle); drm_context_switch_complete(dev, file_priv, ctx->handle); @@ -425,6 +471,9 @@ int drm_rmctx(struct drm_device *dev, void *data, { struct drm_ctx *ctx = data; + if (drm_core_check_feature(dev, DRIVER_MODESET)) + return -EINVAL; + DRM_DEBUG("%d\n", ctx->handle); if (ctx->handle != DRM_KERNEL_CONTEXT) { if (dev->driver->context_dtor) |