ccf00a2007
In a charger mode manual test, we encounter failures from the MinuiBackendDrm when calling DrmEnableCrtc and Flip. To make the minui more robust, we should fall back to another backend if drm's SetCrtc fails. And check the value of gr_draw before dereferencing. Bug: 80249440 Test: boot to recovery Change-Id: Ibd1ca1fb1115fe1132684586c54eccd8fb4c3ad9
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _GRAPHICS_DRM_H_
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#define _GRAPHICS_DRM_H_
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#include <stdint.h>
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#include <xf86drmMode.h>
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#include "graphics.h"
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#include "minui/minui.h"
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class GRSurfaceDrm : public GRSurface {
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private:
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uint32_t fb_id;
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uint32_t handle;
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friend class MinuiBackendDrm;
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};
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class MinuiBackendDrm : public MinuiBackend {
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public:
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GRSurface* Init() override;
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GRSurface* Flip() override;
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void Blank(bool) override;
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~MinuiBackendDrm() override;
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MinuiBackendDrm();
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private:
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void DrmDisableCrtc(int drm_fd, drmModeCrtc* crtc);
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int DrmEnableCrtc(int drm_fd, drmModeCrtc* crtc, GRSurfaceDrm* surface);
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GRSurfaceDrm* DrmCreateSurface(int width, int height);
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void DrmDestroySurface(GRSurfaceDrm* surface);
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void DisableNonMainCrtcs(int fd, drmModeRes* resources, drmModeCrtc* main_crtc);
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drmModeConnector* FindMainMonitor(int fd, drmModeRes* resources, uint32_t* mode_index);
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GRSurfaceDrm* GRSurfaceDrms[2];
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int current_buffer;
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drmModeCrtc* main_monitor_crtc;
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drmModeConnector* main_monitor_connector;
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int drm_fd;
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};
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#endif // _GRAPHICS_DRM_H_
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