arm: tegra: tn8: increase vblank time

Increase vblank lines to spool up enough for all
windows in order to prevent underfows in 180
degrees rotated mode.

Bug 200038740

Change-Id: If23ae3f3481479909556dbc696cf39727d1e6e9a
Signed-off-by: Arun Swain <arswain@nvidia.com>
Reviewed-on: http://git-master/r/593560
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Mitch Luban <mluban@nvidia.com>

diff --git a/arch/arm/mach-tegra/panel-a-1200-1920-8-0.c b/arch/arm/mach-tegra/panel-a-1200-1920-8-0.c
index 6f176ce9cb03a2712baab11f38c5fc7fd059af9f..5f18b2b64f3ccc018f7c37ac3808389b0743128b 100644 (file)
--- a/arch/arm/mach-tegra/panel-a-1200-1920-8-0.c
+++ b/arch/arm/mach-tegra/panel-a-1200-1920-8-0.c
@@ -344,13 +344,13 @@ static int dsi_a_1200_1920_8_0_postsuspend(void)
 
 static struct tegra_dc_mode dsi_a_1200_1920_8_0_modes[] = {
        {
-               .pclk = 154779200,
+               .pclk = 155774400,
                .h_ref_to_sync = 4,
                .v_ref_to_sync = 1,
                .h_sync_width = 10,
                .v_sync_width = 2,
                .h_back_porch = 54,
-               .v_back_porch = 15,
+               .v_back_porch = 30,
                .h_active = 1200,
                .v_active = 1920,
                .h_front_porch = 64,