drm/amdgpu: restore the fbdev mode in lastclose
restore the fbdev state if a drm app like X is killed. Reviewed-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>hifive-unleashed-5.1
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8c70e1cda0
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8b7530b15c
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@ -402,3 +402,19 @@ bool amdgpu_fbdev_robj_is_fb(struct amdgpu_device *adev, struct amdgpu_bo *robj)
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return true;
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return false;
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}
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void amdgpu_fbdev_restore_mode(struct amdgpu_device *adev)
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{
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struct amdgpu_fbdev *afbdev = adev->mode_info.rfbdev;
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struct drm_fb_helper *fb_helper;
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int ret;
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if (!afbdev)
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return;
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fb_helper = &afbdev->helper;
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ret = drm_fb_helper_restore_fbdev_mode_unlocked(fb_helper);
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if (ret)
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DRM_DEBUG("failed to restore crtc mode\n");
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}
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@ -485,7 +485,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
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* Outdated mess for old drm with Xorg being in charge (void function now).
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*/
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/**
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* amdgpu_driver_firstopen_kms - drm callback for last close
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* amdgpu_driver_lastclose_kms - drm callback for last close
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*
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* @dev: drm dev pointer
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*
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@ -493,6 +493,9 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
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*/
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void amdgpu_driver_lastclose_kms(struct drm_device *dev)
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{
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struct amdgpu_device *adev = dev->dev_private;
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amdgpu_fbdev_restore_mode(adev);
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vga_switcheroo_process_delayed_switch();
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}
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@ -567,6 +567,7 @@ void amdgpu_fbdev_fini(struct amdgpu_device *adev);
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void amdgpu_fbdev_set_suspend(struct amdgpu_device *adev, int state);
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int amdgpu_fbdev_total_size(struct amdgpu_device *adev);
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bool amdgpu_fbdev_robj_is_fb(struct amdgpu_device *adev, struct amdgpu_bo *robj);
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void amdgpu_fbdev_restore_mode(struct amdgpu_device *adev);
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void amdgpu_fb_output_poll_changed(struct amdgpu_device *adev);
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