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Date: Thu, 10 Nov 2022 21:33:32 -0500
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: George Shen <george.shen@....com>, Alvin Lee <Alvin.Lee2@....com>,
Alex Hung <alex.hung@....com>,
Mark Broadworth <mark.broadworth@....com>,
Alex Deucher <alexander.deucher@....com>,
Sasha Levin <sashal@...nel.org>, harry.wentland@....com,
sunpeng.li@....com, Rodrigo.Siqueira@....com,
christian.koenig@....com, Xinhui.Pan@....com, airlied@...il.com,
daniel@...ll.ch, jiapeng.chong@...ux.alibaba.com,
aurabindo.pillai@....com, amd-gfx@...ts.freedesktop.org,
dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 6.0 24/30] drm/amd/display: Round up DST_after_scaler to nearest int
From: George Shen <george.shen@....com>
[ 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@....com>
Acked-by: Alex Hung <alex.hung@....com>
Signed-off-by: George Shen <george.shen@....com>
Tested-by: Mark Broadworth <mark.broadworth@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
.../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
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