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disp: msm: defer panel TE disable with poms switch

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DSI host vsync is expected to align with panel internal vsync
during transition from command mode to video mode operation.
In order to facilitate this, keep panel TE enabled in video mode
operation until it is aligned with vysnc.

Change-Id: I3fc59b01336b30cd436be332af6953c5a01be7fd
Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>
This commit is contained in:
Narendra Muppalla
2020-02-03 19:51:36 -08:00
부모 13a29a2855
커밋 cd1e996b44
4개의 변경된 파일과 45개의 추가작업 그리고 1개의 파일을 삭제
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37
msm/dsi/dsi_display.c
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@@ -5819,6 +5819,7 @@ int dsi_display_get_info(struct drm_connector *connector,
info->max_height = 1080;
info->qsync_min_fps =
display->panel->qsync_min_fps;
info->poms_align_vsync = display->panel->poms_align_vsync;
switch (display->panel->panel_mode) {
case DSI_OP_VIDEO_MODE:
@@ -7357,6 +7358,25 @@ int dsi_display_pre_disable(struct dsi_display *display)
return rc;
}
static void dsi_display_handle_poms_te(struct work_struct *work)
{
struct dsi_display *display = NULL;
struct delayed_work *dw = to_delayed_work(work);
struct mipi_dsi_device *dsi;
int rc = 0;
display = container_of(dw, struct dsi_display, poms_te_work);
if (!display || !display->panel) {
DSI_ERR("Invalid params\n");
return;
}
dsi = &display->panel->mipi_device;
rc = mipi_dsi_dcs_set_tear_off(dsi);
if (rc < 0)
DSI_ERR("failed to set tear off\n");
}
int dsi_display_disable(struct dsi_display *display)
{
int rc = 0;
@@ -7369,6 +7389,11 @@ int dsi_display_disable(struct dsi_display *display)
SDE_EVT32(SDE_EVTLOG_FUNC_ENTRY);
mutex_lock(&display->display_lock);
/* cancel delayed work */
if (display->poms_pending &&
display->panel->poms_align_vsync)
cancel_delayed_work_sync(&display->poms_te_work);
rc = dsi_display_wake_up(display);
if (rc)
DSI_ERR("[%s] display wake up failed, rc=%d\n",
@@ -7380,6 +7405,18 @@ int dsi_display_disable(struct dsi_display *display)
DSI_ERR("[%s]failed to disable DSI vid engine, rc=%d\n",
display->name, rc);
} else if (display->config.panel_mode == DSI_OP_CMD_MODE) {
/**
* On POMS request , disable panel TE through
* delayed work queue.
*/
if (display->poms_pending &&
display->panel->poms_align_vsync) {
INIT_DELAYED_WORK(&display->poms_te_work,
dsi_display_handle_poms_te);
queue_delayed_work(system_wq,
&display->poms_te_work,
msecs_to_jiffies(100));
}
rc = dsi_display_cmd_engine_disable(display);
if (rc)
DSI_ERR("[%s]failed to disable DSI cmd engine, rc=%d\n",