diff options
| author | Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> | 2022-01-25 09:34:39 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-02-23 14:26:36 -0500 |
| commit | e2573d5f2a5cebe789bbf415e484b589d8eebad7 (patch) | |
| tree | 3bf05d64d249e6edb47f3082f56adbae5e93efc1 | |
| parent | 15fd09a05a66216a9ad772728e51290f6dea1eb0 (diff) | |
drm/amd/display: limit unbounded requesting to 5k
[WHy & How]
Unbounded requesting is unsupported on pipe split modes
and this change prevents us running into such a situation
with wide modes.
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c b/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c index 406492655dee..f22158bb4b13 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn315/dcn315_resource.c @@ -1841,7 +1841,8 @@ static int dcn315_populate_dml_pipes_from_context( dc->config.enable_4to1MPC = true; context->bw_ctx.dml.ip.det_buffer_size_kbytes = (max_usable_det / DCN3_15_CRB_SEGMENT_SIZE_KB / 4) * DCN3_15_CRB_SEGMENT_SIZE_KB; - } else if (!is_dual_plane(pipe->plane_state->format)) { + } else if (!is_dual_plane(pipe->plane_state->format) && pipe->plane_state->src_rect.width <= 5120) { + /* Limit to 5k max to avoid forced pipe split when there is not enough detile for swath */ context->bw_ctx.dml.ip.det_buffer_size_kbytes = 192; pipes[0].pipe.src.unbounded_req_mode = true; } |