diff options
| author | Mustapha Ghaddar <mghaddar@amd.com> | 2023-08-22 16:18:03 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-09-11 18:30:15 -0400 |
| commit | 29319378449035c6fc6391b31a3c2cbaf75be221 (patch) | |
| tree | a2f9c79cffad7053a87ef7bf549519ef8b7e57ee /drivers/gpu | |
| parent | 64be47ba286117ee4e3dd9d064c88ea2913e3269 (diff) | |
| download | lwn-29319378449035c6fc6391b31a3c2cbaf75be221.tar.gz lwn-29319378449035c6fc6391b31a3c2cbaf75be221.zip | |
drm/amd/display: Fix 2nd DPIA encoder Assignment
[HOW & Why]
There seems to be an issue with 2nd DPIA acquiring link encoder for tiled displays.
Solution is to remove check for eng_id before we get first dynamic encoder for it
Reviewed-by: Cruise Hung <cruise.hung@amd.com>
Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Mustapha Ghaddar <mghaddar@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/core/dc_link_enc_cfg.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c index b66eeac4d3d2..be5a6d008b29 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c @@ -395,8 +395,7 @@ void link_enc_cfg_link_encs_assign( stream->link->dpia_preferred_eng_id != ENGINE_ID_UNKNOWN) eng_id_req = stream->link->dpia_preferred_eng_id; - if (eng_id == ENGINE_ID_UNKNOWN) - eng_id = find_first_avail_link_enc(stream->ctx, state, eng_id_req); + eng_id = find_first_avail_link_enc(stream->ctx, state, eng_id_req); } else eng_id = link_enc->preferred_engine; @@ -501,7 +500,6 @@ struct dc_link *link_enc_cfg_get_link_using_link_enc( if (stream) link = stream->link; - // dm_output_to_console("%s: No link using DIG(%d).\n", __func__, eng_id); return link; } |