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| author | Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> | 2020-04-30 22:38:04 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-04-21 15:50:21 +0300 |
| commit | 44243719117171e947317a1aca4625c317f7dcb0 (patch) | |
| tree | 38c346a4eaa1ed1c399c38832ebdfe00deef5d22 | |
| parent | 2c30f85551211a48f7be57499a6fcb4ad00875da (diff) | |
| download | linux-44243719117171e947317a1aca4625c317f7dcb0.tar.xz | |
drm/amd/display: Limit nv21 dst_y
Dst_y can become negative in extreme odm 4to1 cases. While not strictly
invalid, this should be limited to 0 for rq/dlg/ttu calculation.
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c index cd3cfcb2a2b0..0497a5d74a62 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c @@ -980,7 +980,7 @@ static void dml_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib, unsigned int vstartup_start = 0; unsigned int dst_x_after_scaler = 0; - unsigned int dst_y_after_scaler = 0; + int dst_y_after_scaler = 0; double line_wait = 0; double dst_y_prefetch = 0; double dst_y_per_vm_vblank = 0; @@ -1171,6 +1171,8 @@ static void dml_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib, 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); + if (dst_y_after_scaler < 0) + dst_y_after_scaler = 0; // 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", |