From: Mustapha Ghaddar <mghad...@amd.com> [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.h...@amd.com> Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasunda...@amd.com> Cc: Mario Limonciello <mario.limoncie...@amd.com> Cc: Alex Deucher <alexander.deuc...@amd.com> Cc: sta...@vger.kernel.org Acked-by: Stylon Wang <stylon.w...@amd.com> Signed-off-by: Mustapha Ghaddar <mghad...@amd.com> --- drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c | 4 +--- 1 file changed, 1 insertion(+), 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; } -- 2.42.0