diff options
| author | Alex Hung <alex.hung@amd.com> | 2026-02-18 19:50:15 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-03-03 00:39:18 +0300 |
| commit | d9bc24d263fdb420f61a8a8b8bbb1a68f5a0f803 (patch) | |
| tree | ee3a9d71be53e39c9196c02a38da3b7d5f5d0d95 | |
| parent | 83b75278eb56ebc4cb73caf67572144293b739a9 (diff) | |
| download | linux-d9bc24d263fdb420f61a8a8b8bbb1a68f5a0f803.tar.xz | |
drm/amd/display: Remove always-false branches
[WHAT]
program_prealpha_dealpha and hpo_frl_stream_enc_acquired are always
false and all branches depending on them will never be taken.
This is reported as DEADCODE errors by Coverity.
Reviewed-by: Roman Li <roman.li@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dpp/dcn42/dcn42_dpp.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/hwss/dcn42/dcn42_hwseq.c | 6 |
2 files changed, 1 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dpp/dcn42/dcn42_dpp.c b/drivers/gpu/drm/amd/display/dc/dpp/dcn42/dcn42_dpp.c index 244c91b762b0..c126fb9d5bfa 100644 --- a/drivers/gpu/drm/amd/display/dc/dpp/dcn42/dcn42_dpp.c +++ b/drivers/gpu/drm/amd/display/dc/dpp/dcn42/dcn42_dpp.c @@ -132,7 +132,6 @@ static void dpp42_dpp_setup( uint32_t alpha_plane_enable = 0; uint32_t dealpha_en = 0, dealpha_ablnd_en = 0; uint32_t realpha_en = 0, realpha_ablnd_en = 0; - uint32_t program_prealpha_dealpha = 0; struct out_csc_color_matrix tbl_entry; int i; @@ -256,10 +255,6 @@ static void dpp42_dpp_setup( CNVC_ALPHA_PLANE_ENABLE, alpha_plane_enable); REG_UPDATE(FORMAT_CONTROL, FORMAT_CONTROL__ALPHA_EN, alpha_en); - if (program_prealpha_dealpha) { - dealpha_en = 1; - realpha_en = 1; - } REG_SET_2(PRE_DEALPHA, 0, PRE_DEALPHA_EN, dealpha_en, PRE_DEALPHA_ABLND_EN, dealpha_ablnd_en); diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn42/dcn42_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn42/dcn42_hwseq.c index 0d9871f9864b..f0e1ed0f2949 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn42/dcn42_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn42/dcn42_hwseq.c @@ -1078,7 +1078,6 @@ void dcn42_optimize_bandwidth(struct dc *dc, struct dc_state *context) void dcn42_calc_blocks_to_ungate(struct dc *dc, struct dc_state *context, struct pg_block_update *update_state) { - bool hpo_frl_stream_enc_acquired = false; bool hpo_dp_stream_enc_acquired = false; int i = 0, j = 0; @@ -1172,12 +1171,9 @@ void dcn42_calc_blocks_to_ungate(struct dc *dc, struct dc_state *context, } } - if (hpo_frl_stream_enc_acquired || hpo_dp_stream_enc_acquired) + if (hpo_dp_stream_enc_acquired) update_state->pg_res_update[PG_HPO] = true; - if (hpo_frl_stream_enc_acquired) - update_state->pg_pipe_res_update[PG_HDMISTREAM][0] = true; - if (count_active_streams(dc) > 0) { update_state->pg_res_update[PG_DCCG] = true; update_state->pg_res_update[PG_DCIO] = true; |