diff options
| author | Leo Chen <leo.chen@amd.com> | 2026-06-10 17:17:49 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-07-01 11:17:46 -0400 |
| commit | 7874b9d6c59d8a99733c07eb9ed674bf4eb93099 (patch) | |
| tree | 5161436be3a35b254cf1622ef7b8b9b74465b32f | |
| parent | 3754bdca435c8d38111b46467f82756e36465a58 (diff) | |
| download | linux-stable-7874b9d6c59d8a99733c07eb9ed674bf4eb93099.tar.gz linux-stable-7874b9d6c59d8a99733c07eb9ed674bf4eb93099.zip | |
drm/amd/display: Remove unnecessary DSCCLK enable during DSC PG
[Why & How]
DSCCLK is not required when power gating or ungating the DSC block.
Remove the unnecessary DSCCLK enable sequence.
Reviewed-by: Ovidiu (Ovi) Bunea <ovidiu.bunea@amd.com>
Signed-off-by: Leo Chen <leo.chen@amd.com>
Signed-off-by: George Zhang <george.zhang@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/pg/dcn42/dcn42_pg_cntl.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/pg/dcn42/dcn42_pg_cntl.c b/drivers/gpu/drm/amd/display/dc/pg/dcn42/dcn42_pg_cntl.c index 94361e326c56..2fc17dc510df 100644 --- a/drivers/gpu/drm/amd/display/dc/pg/dcn42/dcn42_pg_cntl.c +++ b/drivers/gpu/drm/amd/display/dc/pg/dcn42/dcn42_pg_cntl.c @@ -96,11 +96,6 @@ void pg_cntl42_dsc_pg_control(struct pg_cntl *pg_cntl, unsigned int dsc_inst, bo struct dcn42_global_fgcg_rep_state fgcg_rep_state = {0}; bool block_enabled; - /*need to enable dscclk regardless DSC_PG*/ - if (pg_cntl->ctx->dc->res_pool->dccg->funcs->enable_dsc && power_on) - pg_cntl->ctx->dc->res_pool->dccg->funcs->enable_dsc( - pg_cntl->ctx->dc->res_pool->dccg, dsc_inst); - bool skip_pg = pg_cntl->ctx->dc->debug.ignore_pg || pg_cntl->ctx->dc->debug.disable_dsc_power_gate || pg_cntl->ctx->dc->idle_optimizations_allowed; @@ -167,12 +162,6 @@ void pg_cntl42_dsc_pg_control(struct pg_cntl *pg_cntl, unsigned int dsc_inst, bo if (dsc_inst < MAX_PIPES) pg_cntl->pg_pipe_res_enable[PG_DSC][dsc_inst] = power_on; - - if (pg_cntl->ctx->dc->res_pool->dccg->funcs->disable_dsc && !power_on) { - /*this is to disable dscclk*/ - pg_cntl->ctx->dc->res_pool->dccg->funcs->disable_dsc( - pg_cntl->ctx->dc->res_pool->dccg, dsc_inst); - } } static bool pg_cntl42_hubp_dpp_pg_status(struct pg_cntl *pg_cntl, unsigned int hubp_dpp_inst) |