diff options
Diffstat (limited to 'drivers/gpu/drm/imagination/pvr_context.c')
| -rw-r--r-- | drivers/gpu/drm/imagination/pvr_context.c | 125 |
1 files changed, 124 insertions, 1 deletions
diff --git a/drivers/gpu/drm/imagination/pvr_context.c b/drivers/gpu/drm/imagination/pvr_context.c index 6cec5aa5a759..eded5e955cc0 100644 --- a/drivers/gpu/drm/imagination/pvr_context.c +++ b/drivers/gpu/drm/imagination/pvr_context.c @@ -6,10 +6,12 @@ #include "pvr_device.h" #include "pvr_drv.h" #include "pvr_gem.h" +#include "pvr_job.h" #include "pvr_power.h" #include "pvr_rogue_fwif.h" #include "pvr_rogue_fwif_common.h" #include "pvr_rogue_fwif_resetframework.h" +#include "pvr_stream.h" #include "pvr_stream_defs.h" #include "pvr_vm.h" @@ -165,6 +167,116 @@ ctx_fw_data_init(void *cpu_ptr, void *priv) } /** + * pvr_context_destroy_queues() - Destroy all queues attached to a context. + * @ctx: Context to destroy queues on. + * + * Should be called when the last reference to a context object is dropped. + * It releases all resources attached to the queues bound to this context. + */ +static void pvr_context_destroy_queues(struct pvr_context *ctx) +{ + switch (ctx->type) { + case DRM_PVR_CTX_TYPE_RENDER: + pvr_queue_destroy(ctx->queues.fragment); + pvr_queue_destroy(ctx->queues.geometry); + break; + case DRM_PVR_CTX_TYPE_COMPUTE: + pvr_queue_destroy(ctx->queues.compute); + break; + case DRM_PVR_CTX_TYPE_TRANSFER_FRAG: + pvr_queue_destroy(ctx->queues.transfer); + break; + } +} + +/** + * pvr_context_create_queues() - Create all queues attached to a context. + * @ctx: Context to create queues on. + * @args: Context creation arguments passed by userspace. + * @fw_ctx_map: CPU mapping of the FW context object. + * + * Return: + * * 0 on success, or + * * A negative error code otherwise. + */ +static int pvr_context_create_queues(struct pvr_context *ctx, + struct drm_pvr_ioctl_create_context_args *args, + void *fw_ctx_map) +{ + int err; + + switch (ctx->type) { + case DRM_PVR_CTX_TYPE_RENDER: + ctx->queues.geometry = pvr_queue_create(ctx, DRM_PVR_JOB_TYPE_GEOMETRY, + args, fw_ctx_map); + if (IS_ERR(ctx->queues.geometry)) { + err = PTR_ERR(ctx->queues.geometry); + ctx->queues.geometry = NULL; + goto err_destroy_queues; + } + + ctx->queues.fragment = pvr_queue_create(ctx, DRM_PVR_JOB_TYPE_FRAGMENT, + args, fw_ctx_map); + if (IS_ERR(ctx->queues.fragment)) { + err = PTR_ERR(ctx->queues.fragment); + ctx->queues.fragment = NULL; + goto err_destroy_queues; + } + return 0; + + case DRM_PVR_CTX_TYPE_COMPUTE: + ctx->queues.compute = pvr_queue_create(ctx, DRM_PVR_JOB_TYPE_COMPUTE, + args, fw_ctx_map); + if (IS_ERR(ctx->queues.compute)) { + err = PTR_ERR(ctx->queues.compute); + ctx->queues.compute = NULL; + goto err_destroy_queues; + } + return 0; + + case DRM_PVR_CTX_TYPE_TRANSFER_FRAG: + ctx->queues.transfer = pvr_queue_create(ctx, DRM_PVR_JOB_TYPE_TRANSFER_FRAG, + args, fw_ctx_map); + if (IS_ERR(ctx->queues.transfer)) { + err = PTR_ERR(ctx->queues.transfer); + ctx->queues.transfer = NULL; + goto err_destroy_queues; + } + return 0; + } + + return -EINVAL; + +err_destroy_queues: + pvr_context_destroy_queues(ctx); + return err; +} + +/** + * pvr_context_kill_queues() - Kill queues attached to context. + * @ctx: Context to kill queues on. + * + * Killing the queues implies making them unusable for future jobs, while still + * letting the currently submitted jobs a chance to finish. Queue resources will + * stay around until pvr_context_destroy_queues() is called. + */ +static void pvr_context_kill_queues(struct pvr_context *ctx) +{ + switch (ctx->type) { + case DRM_PVR_CTX_TYPE_RENDER: + pvr_queue_kill(ctx->queues.fragment); + pvr_queue_kill(ctx->queues.geometry); + break; + case DRM_PVR_CTX_TYPE_COMPUTE: + pvr_queue_kill(ctx->queues.compute); + break; + case DRM_PVR_CTX_TYPE_TRANSFER_FRAG: + pvr_queue_kill(ctx->queues.transfer); + break; + } +} + +/** * pvr_context_create() - Create a context. * @pvr_file: File to attach the created context to. * @args: Context creation arguments. @@ -214,10 +326,14 @@ int pvr_context_create(struct pvr_file *pvr_file, struct drm_pvr_ioctl_create_co goto err_put_vm; } - err = init_fw_objs(ctx, args, ctx->data); + err = pvr_context_create_queues(ctx, args, ctx->data); if (err) goto err_free_ctx_data; + err = init_fw_objs(ctx, args, ctx->data); + if (err) + goto err_destroy_queues; + err = pvr_fw_object_create(pvr_dev, ctx_size, PVR_BO_FW_FLAGS_DEVICE_UNCACHED, ctx_fw_data_init, ctx, &ctx->fw_obj); if (err) @@ -243,6 +359,9 @@ int pvr_context_create(struct pvr_file *pvr_file, struct drm_pvr_ioctl_create_co err_destroy_fw_obj: pvr_fw_object_destroy(ctx->fw_obj); +err_destroy_queues: + pvr_context_destroy_queues(ctx); + err_free_ctx_data: kfree(ctx->data); @@ -262,6 +381,7 @@ pvr_context_release(struct kref *ref_count) struct pvr_device *pvr_dev = ctx->pvr_dev; xa_erase(&pvr_dev->ctx_ids, ctx->ctx_id); + pvr_context_destroy_queues(ctx); pvr_fw_object_destroy(ctx->fw_obj); kfree(ctx->data); pvr_vm_context_put(ctx->vm_ctx); @@ -299,6 +419,9 @@ pvr_context_destroy(struct pvr_file *pvr_file, u32 handle) if (!ctx) return -EINVAL; + /* Make sure nothing can be queued to the queues after that point. */ + pvr_context_kill_queues(ctx); + /* Release the reference held by the handle set. */ pvr_context_put(ctx); |