nvdisp: remove updating interrupt status register

Interrupt status register should only be written
by the interrupt handler to clear the raised
interrupt. Remove old logic of clearing interrupt
status register during flip because that
workaround is not applicable anymore.

Jira TDS-599

Change-Id: I544213723bb1c51366829610e1520f8d53f82f9e
Signed-off-by: Ujwal Patel <ujwalp@nvidia.com>
Reviewed-on: http://git-master/r/1221470
Reviewed-by: Shu Zhong <shuz@nvidia.com>
Reviewed-by: Aron Wong <awong@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Mitch Luban <mluban@nvidia.com>

1 files changed, 0 insertions, 6 deletions

diff --git a/drivers/video/tegra/dc/nvdisp/nvdisp_win.c b/drivers/video/tegra/dc/nvdisp/nvdisp_win.c
index 68861162f..551d2a5d6 100644
--- a/drivers/video/tegra/dc/nvdisp/nvdisp_win.c
+++ b/drivers/video/tegra/dc/nvdisp/nvdisp_win.c
@@ -819,12 +819,6 @@ int tegra_nvdisp_update_windows(struct tegra_dc *dc,
                 dc->imp_dirty = false;
         }
 
-        if (tegra_cpu_is_asim())
-                tegra_dc_writel(dc,
-                        (nvdisp_cmd_int_status_frame_end_f(1) |
-                        nvdisp_cmd_int_status_v_blank_f(1)),
-                        nvdisp_cmd_int_status_r());
-
         if (wait_for_vblank) {
                 /* Use the interrupt handler.  ISR will clear the dirty flags
                    when the flip is completed */