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This pull includes the new Arm "komeda" DRM driver. It is currently hosted in the same repo as the other "mali-dp" driver because it is the next iteration of the IP. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Liviu Dudau <Liviu.Dudau@arm.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190131173600.GN25147@e110455-lin.cambridge.arm.com
89 lines
1.9 KiB
C
89 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
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* Author: James.Qian.Wang <james.qian.wang@arm.com>
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*
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*/
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#include "komeda_dev.h"
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#include "komeda_kms.h"
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static struct drm_private_state *
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komeda_pipeline_atomic_duplicate_state(struct drm_private_obj *obj)
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{
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struct komeda_pipeline_state *st;
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st = kmemdup(obj->state, sizeof(*st), GFP_KERNEL);
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if (!st)
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return NULL;
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st->active_comps = 0;
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__drm_atomic_helper_private_obj_duplicate_state(obj, &st->obj);
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return &st->obj;
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}
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static void
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komeda_pipeline_atomic_destroy_state(struct drm_private_obj *obj,
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struct drm_private_state *state)
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{
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kfree(priv_to_pipe_st(state));
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}
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static const struct drm_private_state_funcs komeda_pipeline_obj_funcs = {
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.atomic_duplicate_state = komeda_pipeline_atomic_duplicate_state,
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.atomic_destroy_state = komeda_pipeline_atomic_destroy_state,
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};
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static int komeda_pipeline_obj_add(struct komeda_kms_dev *kms,
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struct komeda_pipeline *pipe)
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{
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struct komeda_pipeline_state *st;
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st = kzalloc(sizeof(*st), GFP_KERNEL);
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if (!st)
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return -ENOMEM;
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st->pipe = pipe;
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drm_atomic_private_obj_init(&kms->base, &pipe->obj, &st->obj,
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&komeda_pipeline_obj_funcs);
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return 0;
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}
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int komeda_kms_add_private_objs(struct komeda_kms_dev *kms,
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struct komeda_dev *mdev)
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{
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struct komeda_pipeline *pipe;
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int i, err;
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for (i = 0; i < mdev->n_pipelines; i++) {
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pipe = mdev->pipelines[i];
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err = komeda_pipeline_obj_add(kms, pipe);
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if (err)
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return err;
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/* Add component */
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}
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return 0;
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}
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void komeda_kms_cleanup_private_objs(struct komeda_dev *mdev)
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{
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struct komeda_pipeline *pipe;
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struct komeda_component *c;
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int i, id;
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for (i = 0; i < mdev->n_pipelines; i++) {
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pipe = mdev->pipelines[i];
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dp_for_each_set_bit(id, pipe->avail_comps) {
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c = komeda_pipeline_get_component(pipe, id);
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drm_atomic_private_obj_fini(&c->obj);
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}
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drm_atomic_private_obj_fini(&pipe->obj);
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}
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}
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