diff options
| author | Jon Mayo <jmayo@nvidia.com> | 2014-07-22 10:50:29 -0700 |
|---|---|---|
| committer | Matthew Pedro <mapedro@nvidia.com> | 2014-11-06 12:56:06 -0800 |
| commit | 00457fe1c08f591cd82b133425cbf3e00be19ef7 (patch) | |
| tree | 80364e73b5829112b40e44865a5e88119f7e2659 | |
| parent | 29264b6eeb185410ec3f2e69797640df62fa3f7b (diff) | |
video: tegra: dc: increase V_REF_TO_SYNC
Increase V_REF_TO_SYNC value to the maximum size. This adjusts where the flip
activation occurs and permits spool up to include more of the front porch
time.
Bug 1528419
Change-Id: I981d3ffca49c694acf0806279bcf87d92084169c
Signed-off-by: Jon Mayo <jmayo@nvidia.com>
Reviewed-on: http://git-master/r/440817
(cherry picked from commit 1c9c042b31735bb1b04780037ba5d7b6aee9fcd2)
Reviewed-on: http://git-master/r/441378
(cherry picked from commit 24afa49b1c471bdd90f06a5cee840d8101761b31)
Reviewed-on: http://git-master/r/592932
Reviewed-by: Automatic_Commit_Validation_User
| -rw-r--r-- | drivers/video/tegra/dc/mode.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/video/tegra/dc/mode.c b/drivers/video/tegra/dc/mode.c index b38e51489b7a..b600c70286e3 100644 --- a/drivers/video/tegra/dc/mode.c +++ b/drivers/video/tegra/dc/mode.c @@ -71,7 +71,9 @@ static int calc_h_ref_to_sync(const struct tegra_dc_mode *mode, int *href) static int calc_v_ref_to_sync(const struct tegra_dc_mode *mode, int *vref) { long a; - a = 1; /* Constraint 5: V_REF_TO_SYNC >= 1 */ + + /* Constraint 5: V_REF_TO_SYNC >= 1 */ + a = mode->v_front_porch - 1; /* Constraint 2: V_REF_TO_SYNC + V_SYNC_WIDTH + V_BACK_PORCH > 1 */ if (a + mode->v_sync_width + mode->v_back_porch <= 1) |