From: Nikola Cornij <[email protected]> [why] DSC should be powered-on only on as-needed basis, i.e. if the mode requires it
[how] Loop over all the DSCs at driver init time and power-gate each Signed-off-by: Nikola Cornij <[email protected]> Reviewed-by: Nevenko Stupar <[email protected]> Acked-by: Leo Li <[email protected]> --- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c index db57c2a99a15..a918f2770c38 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -599,6 +599,10 @@ static void dcn20_init_hw(struct dc *dc) } } + /* Power gate DSCs */ + for (i = 0; i < res_pool->res_cap->num_dsc; i++) + dcn20_dsc_pg_control(hws, res_pool->dscs[i]->inst, false); + /* Blank pixel data with OPP DPG */ for (i = 0; i < dc->res_pool->timing_generator_count; i++) { struct timing_generator *tg = dc->res_pool->timing_generators[i]; -- 2.22.0 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
