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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "hwc-drm-crtc"
#include "DrmCrtc.h"
#include <utils/log.h>
#include <xf86drmMode.h>
#include <cstdint>
#include "DrmDevice.h"
namespace android {
static int GetCrtcProperty(const DrmDevice &dev, const DrmCrtc &crtc,
const char *prop_name, DrmProperty *property) {
return dev.GetProperty(crtc.GetId(), DRM_MODE_OBJECT_CRTC, prop_name,
property);
}
auto DrmCrtc::CreateInstance(DrmDevice &dev, uint32_t crtc_id, uint32_t index)
-> std::unique_ptr<DrmCrtc> {
auto crtc = MakeDrmModeCrtcUnique(dev.GetFd(), crtc_id);
if (!crtc) {
ALOGE("Failed to get CRTC %d", crtc_id);
return {};
}
auto c = std::unique_ptr<DrmCrtc>(new DrmCrtc(std::move(crtc), index));
int ret = GetCrtcProperty(dev, *c, "ACTIVE", &c->active_property_);
if (ret != 0) {
ALOGE("Failed to get ACTIVE property");
return {};
}
ret = GetCrtcProperty(dev, *c, "MODE_ID", &c->mode_property_);
if (ret != 0) {
ALOGE("Failed to get MODE_ID property");
return {};
}
ret = GetCrtcProperty(dev, *c, "OUT_FENCE_PTR", &c->out_fence_ptr_property_);
if (ret != 0) {
ALOGE("Failed to get OUT_FENCE_PTR property");
return {};
}
return c;
}
} // namespace android
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