diff options
| author | Xia Yang <xiay@nvidia.com> | 2013-11-18 15:46:08 -0800 |
|---|---|---|
| committer | Jon Mayo <jmayo@nvidia.com> | 2014-03-17 11:23:52 -0700 |
| commit | 8fdb56c5d010c1c57c90c91a39faeda1297c0418 (patch) | |
| tree | 329ab9d1d8989b788b6b609df11999d19cff9604 /drivers/video/tegra/dc/hdmi_state_machine.h | |
| parent | 20cdfc6abb0e294fa7e7cd47532ea687d7582412 (diff) | |
video: tegra: hdmi: remove unnecessary reset in SM
Change tegra_dc_hdmi_detect() to return HPD status.
Change HDMI state machine not to reset HDMI if bootloader have set it up.
Bug 1401958
Bug 1425201
Change-Id: Iea5f4648083a01619888d7d805be7231e1202f2e
Signed-off-by: Xia Yang <xiay@nvidia.com>
Reviewed-on: http://git-master/r/355335
Reviewed-by: Automatic_Commit_Validation_User
Tested-by: Jon Mayo <jmayo@nvidia.com>
Reviewed-by: Jon Mayo <jmayo@nvidia.com>
Diffstat (limited to 'drivers/video/tegra/dc/hdmi_state_machine.h')
| -rw-r--r-- | drivers/video/tegra/dc/hdmi_state_machine.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/video/tegra/dc/hdmi_state_machine.h b/drivers/video/tegra/dc/hdmi_state_machine.h index 5509cba3e02c..43d9fe71034b 100644 --- a/drivers/video/tegra/dc/hdmi_state_machine.h +++ b/drivers/video/tegra/dc/hdmi_state_machine.h @@ -4,7 +4,7 @@ * HDMI library support functions for Nvidia Tegra processors. * * Copyright (C) 2013 Google - http://www.google.com/ - * Copyright (C) 2013, NVIDIA CORPORATION. All rights reserved. + * Copyright (C) 2013-2014, NVIDIA CORPORATION. All rights reserved. * Authors: John Grossman <johngro@google.com> * Authors: Mike J. Chen <mjchen@google.com> * @@ -84,6 +84,12 @@ enum { */ HDMI_STATE_DONE_RECHECK_EDID, + /* Initial state at boot that checks if HDMI is already initialized + * by bootloader and not go to HDMI_STATE_RESET which would disable + * HDMI and cause blanking of the bootloader displayed image. + */ + HDMI_STATE_INIT_FROM_BOOTLOADER, + /* STATE_COUNT must be the final state in the enum. * 1) Do not add states after STATE_COUNT. * 2) Do not assign explicit values to the states. |