video: tegra: dc: Enable TE when user seeks vsync

TE is vsync for one-shot. Enable it when userspace
is waiting on vsync.

Bug 1422639

Change-Id: Icc2bff2a906a3e79cce1e033b85263a579dd1889
Signed-off-by: Animesh Kishore <ankishore@nvidia.com>
Reviewed-on: http://git-master/r/350146
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/video/tegra/dc/dsi.c b/drivers/video/tegra/dc/dsi.c
index 041c2e357..f965fe54d 100644
--- a/drivers/video/tegra/dc/dsi.c
+++ b/drivers/video/tegra/dc/dsi.c
@@ -3092,6 +3092,7 @@ static int tegra_dsi_send_panel_cmd(struct tegra_dc *dc,
                                         struct tegra_dsi_cmd *cmd,
                                         u32 n_cmd)
 {
+#define DEFAULT_DELAY_MS 1
         u32 i;
         int err;
         u8 delay_ms;
@@ -3118,8 +3119,7 @@ static int tegra_dsi_send_panel_cmd(struct tegra_dc *dc,
                         tegra_dsi_start_host_cmd_v_blank_video(dsi, cur_cmd);
                         tegra_dsi_end_host_cmd_v_blank_video(dc, dsi);
                 } else {
-                        /* default delay 1ms after command */
-                        delay_ms = 1;
+                        delay_ms = DEFAULT_DELAY_MS;
                         if ((i + 1 < n_cmd) &&
                                 (cmd[i + 1].cmd_type == TEGRA_DSI_DELAY_MS)) {
                                 delay_ms = cmd[i + 1].sp_len_dly.delay_ms;
@@ -3132,6 +3132,7 @@ static int tegra_dsi_send_panel_cmd(struct tegra_dc *dc,
                 }
         }
         return err;
+#undef DEFAULT_DELAY_MS
 }
 
 static u8 tegra_dsi_ecc(u32 header)
@@ -4376,11 +4377,13 @@ static int tegra_dsi_te_on_off(struct tegra_dc_dsi_data *dsi, bool flag)
         struct tegra_dsi_cmd te_enable[] = {
                 DSI_CMD_SHORT(DSI_DCS_WRITE_0_PARAM,
                                 DSI_DCS_SET_TEARING_EFFECT_ON, 0x0),
+                DSI_DLY_MS(0),
         };
 
         struct tegra_dsi_cmd te_disable[] = {
                 DSI_CMD_SHORT(DSI_DCS_WRITE_0_PARAM,
                                 DSI_DCS_SET_TEARING_EFFECT_OFF, 0x0),
+                DSI_DLY_MS(0),
         };
 
         if (flag)