[PATCH AUTOSEL 6.0 24/30] drm/amd/display: Round up DST_after_scaler to nearest int

From: Sasha Levin
Date: Thu Nov 10 2022 - 21:36:45 EST


From: George Shen <george.shen@xxxxxxx>

[ Upstream commit 8dc323133d74518e3b5b07242e2b2f088799ea6e ]

[Why]
The DST_after_scaler value that DML spreadsheet outputs is
generally the driver value round up to the nearest int.

Reviewed-by: Alvin Lee <Alvin.Lee2@xxxxxxx>
Acked-by: Alex Hung <alex.hung@xxxxxxx>
Signed-off-by: George Shen <george.shen@xxxxxxx>
Tested-by: Mark Broadworth <mark.broadworth@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
.../gpu/drm/amd/display/dc/dml/dcn32/display_rq_dlg_calc_32.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_rq_dlg_calc_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_rq_dlg_calc_32.c
index a1276f6b9581..395ae8761980 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_rq_dlg_calc_32.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_rq_dlg_calc_32.c
@@ -291,8 +291,8 @@ void dml32_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,

dml_print("DML_DLG: %s: vready_after_vcount0 = %d\n", __func__, dlg_regs->vready_after_vcount0);

- dst_x_after_scaler = get_dst_x_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
- dst_y_after_scaler = get_dst_y_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
+ dst_x_after_scaler = dml_ceil(get_dst_x_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx), 1);
+ dst_y_after_scaler = dml_ceil(get_dst_y_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx), 1);

// do some adjustment on the dst_after scaler to account for odm combine mode
dml_print("DML_DLG: %s: input dst_x_after_scaler = %d\n", __func__, dst_x_after_scaler);
--
2.35.1