diff options
| author | Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> | 2022-01-25 09:34:39 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-02-07 18:01:17 -0500 |
| commit | 3084488a49d6d58005d6ac1b5457b3f13bad1ed3 (patch) | |
| tree | 529c405a661ba572e2bbf6dc3e990f6fc03710bc /drivers/gpu | |
| parent | 6d33f0e820bfbc4f0b9b2f23d0d30df4bd6c3001 (diff) | |
drm/amd/display: limit unbounded requesting to 5k
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: Jasdeep Dhillon <jdhillon@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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c index f9e312b20598..1166748b85a7 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c @@ -1842,7 +1842,8 @@ static int dcn31_populate_dml_pipes_from_context( if (is_dual_plane(pipe->plane_state->format) && pipe->plane_state->src_rect.width <= 1920 && pipe->plane_state->src_rect.height <= 1080) { dc->config.enable_4to1MPC = true; - } 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; } |