android/android_kernel_samsung_sm8650-modules
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Merge "disp: msm: dsi: flush CMD DMA of all ctrls in case of previous broadcast"

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QCTECMDR Service 2024-07-11 22:40:44 -07:00 committed by Gerrit - the friendly Code Review server
commit 1e304fb082
3 changed files with 21 additions and 3 deletions
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2
msm/dsi/dsi_ctrl.c
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@ -467,7 +467,7 @@ static void dsi_ctrl_post_cmd_transfer_work(struct work_struct *work)
dsi_ctrl->post_tx_queued = false;
}
static void dsi_ctrl_flush_cmd_dma_queue(struct dsi_ctrl *dsi_ctrl)
void dsi_ctrl_flush_cmd_dma_queue(struct dsi_ctrl *dsi_ctrl)
{
/*
* If a command is triggered right after another command,

9
msm/dsi/dsi_ctrl.h
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@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.
*/
@ -952,4 +952,11 @@ void dsi_ctrl_toggle_error_interrupt_status(struct dsi_ctrl *dsi_ctrl, bool enab
* @dsi_ctrl: DSI controller handle.
*/
void dsi_ctrl_transfer_cleanup(struct dsi_ctrl *dsi_ctrl);
/**
* dsi_ctrl_flush_cmd_dma_queue() - Wait fot previous command transfer to complete
* and flush any pending post_cmd_transfer works.
* @dsi_ctrl: DSI controller handle.
*/
void dsi_ctrl_flush_cmd_dma_queue(struct dsi_ctrl *dsi_ctrl);
#endif /* _DSI_CTRL_H_ */

13
msm/dsi/dsi_display.c
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
*/
@ -3450,6 +3450,17 @@ int dsi_host_transfer_sub(struct mipi_dsi_host *host, struct dsi_cmd_desc *cmd)
dsi_display_set_cmd_tx_ctrl_flags(display, cmd);
/*
* Wait until any previous broadcast commands with ASYNC waits have been scheduled
* and completed on both controllers.
*/
display_for_each_ctrl(i, display) {
ctrl = &display->ctrl[i];
if ((ctrl->ctrl->pending_cmd_flags & DSI_CTRL_CMD_BROADCAST) &&
ctrl->ctrl->post_tx_queued)
dsi_ctrl_flush_cmd_dma_queue(ctrl->ctrl);
}
if (cmd->ctrl_flags & DSI_CTRL_CMD_BROADCAST) {
rc = dsi_display_broadcast_cmd(display, cmd);
if (rc) {