diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
9 files changed, 62 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index 135e2b58cc73..c50427bfab77 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -1362,6 +1362,43 @@ void dcn10_init_pipes(struct dc *dc, struct dc_state *context) tg->funcs->tg_init(tg); } + + /* Power gate DSCs */ + if (hws->funcs.dsc_pg_control != NULL) { + uint32_t num_opps = 0; + uint32_t opp_id_src0 = OPP_ID_INVALID; + uint32_t opp_id_src1 = OPP_ID_INVALID; + + // Step 1: To find out which OPTC is running & OPTC DSC is ON + for (i = 0; i < dc->res_pool->res_cap->num_timing_generator; i++) { + uint32_t optc_dsc_state = 0; + struct timing_generator *tg = dc->res_pool->timing_generators[i]; + + if (tg->funcs->is_tg_enabled(tg)) { + if (tg->funcs->get_dsc_status) + tg->funcs->get_dsc_status(tg, &optc_dsc_state); + // Only one OPTC with DSC is ON, so if we got one result, we would exit this block. + // non-zero value is DSC enabled + if (optc_dsc_state != 0) { + tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1); + break; + } + } + } + + // Step 2: To power down DSC but skip DSC of running OPTC + for (i = 0; i < dc->res_pool->res_cap->num_dsc; i++) { + struct dcn_dsc_state s = {0}; + + dc->res_pool->dscs[i]->funcs->dsc_read_state(dc->res_pool->dscs[i], &s); + + if ((s.dsc_opp_source == opp_id_src0 || s.dsc_opp_source == opp_id_src1) && + s.dsc_clock_en && s.dsc_fw_en) + continue; + + hws->funcs.dsc_pg_control(hws, dc->res_pool->dscs[i]->inst, false); + } + } } void dcn10_init_hw(struct dc *dc) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c index 79b640e202eb..ef5c4c0f4d6c 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dsc.c @@ -162,6 +162,8 @@ static void dsc2_read_state(struct display_stream_compressor *dsc, struct dcn_ds REG_GET(DSCC_PPS_CONFIG2, PIC_WIDTH, &s->dsc_pic_width); REG_GET(DSCC_PPS_CONFIG2, PIC_HEIGHT, &s->dsc_pic_height); REG_GET(DSCC_PPS_CONFIG7, SLICE_BPG_OFFSET, &s->dsc_slice_bpg_offset); + REG_GET_2(DSCRM_DSC_FORWARD_CONFIG, DSCRM_DSC_FORWARD_EN, &s->dsc_fw_en, + DSCRM_DSC_OPP_PIPE_SOURCE, &s->dsc_opp_source); } diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c index c90b8516dcc1..8c34751b0e58 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c @@ -190,6 +190,19 @@ void optc2_set_dsc_config(struct timing_generator *optc, OPTC_DSC_SLICE_WIDTH, dsc_slice_width); } +/* Get DSC-related configuration. + * dsc_mode: 0 disables DSC, other values enable DSC in specified format + */ +void optc2_get_dsc_status(struct timing_generator *optc, + uint32_t *dsc_mode) +{ + struct optc *optc1 = DCN10TG_FROM_TG(optc); + + REG_GET(OPTC_DATA_FORMAT_CONTROL, + OPTC_DSC_MODE, dsc_mode); +} + + /*TEMP: Need to figure out inheritance model here.*/ bool optc2_is_two_pixels_per_containter(const struct dc_crtc_timing *timing) { @@ -579,6 +592,7 @@ static struct timing_generator_funcs dcn20_tg_funcs = { .get_crc = optc1_get_crc, .configure_crc = optc2_configure_crc, .set_dsc_config = optc2_set_dsc_config, + .get_dsc_status = optc2_get_dsc_status, .set_dwb_source = optc2_set_dwb_source, .set_odm_bypass = optc2_set_odm_bypass, .set_odm_combine = optc2_set_odm_combine, diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.h index be19a6885fbf..f7968b9ca16e 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.h +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.h @@ -98,6 +98,9 @@ void optc2_set_dsc_config(struct timing_generator *optc, uint32_t dsc_bytes_per_pixel, uint32_t dsc_slice_width); +void optc2_get_dsc_status(struct timing_generator *optc, + uint32_t *dsc_mode); + void optc2_set_odm_bypass(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing); diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c index 5d9e6413d67a..f5e8916601d3 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c @@ -332,6 +332,7 @@ static struct timing_generator_funcs dcn30_tg_funcs = { .get_crc = optc1_get_crc, .configure_crc = optc2_configure_crc, .set_dsc_config = optc3_set_dsc_config, + .get_dsc_status = optc2_get_dsc_status, .set_dwb_source = NULL, .set_odm_bypass = optc3_set_odm_bypass, .set_odm_combine = optc3_set_odm_combine, diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c index bdaeb6ebdacb..a668feff30b8 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c @@ -192,11 +192,6 @@ void dcn31_init_hw(struct dc *dc) link->link_status.link_active = true; } - /* Power gate DSCs */ - for (i = 0; i < res_pool->res_cap->num_dsc; i++) - if (hws->funcs.dsc_pg_control != NULL) - hws->funcs.dsc_pg_control(hws, res_pool->dscs[i]->inst, false); - /* Enables outbox notifications for usb4 dpia */ if (dc->res_pool->usb4_dpia_count) dmub_enable_outbox_notification(dc); diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_optc.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_optc.c index a4b1d98f0007..e8562fa11366 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_optc.c @@ -256,6 +256,7 @@ static struct timing_generator_funcs dcn31_tg_funcs = { .get_crc = optc1_get_crc, .configure_crc = optc2_configure_crc, .set_dsc_config = optc3_set_dsc_config, + .get_dsc_status = optc2_get_dsc_status, .set_dwb_source = NULL, .set_odm_bypass = optc3_set_odm_bypass, .set_odm_combine = optc31_set_odm_combine, diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dsc.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dsc.h index 0c83e79d3ce3..346f0ba73e86 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dsc.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dsc.h @@ -61,6 +61,8 @@ struct dcn_dsc_state { uint32_t dsc_pic_height; uint32_t dsc_slice_bpg_offset; uint32_t dsc_chunk_size; + uint32_t dsc_fw_en; + uint32_t dsc_opp_source; }; diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h index 7390baf916b5..c29320b3855d 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h @@ -290,6 +290,8 @@ struct timing_generator_funcs { enum optc_dsc_mode dsc_mode, uint32_t dsc_bytes_per_pixel, uint32_t dsc_slice_width); + void (*get_dsc_status)(struct timing_generator *optc, + uint32_t *dsc_mode); void (*set_odm_bypass)(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing); void (*set_odm_combine)(struct timing_generator *optc, int *opp_id, int opp_cnt, struct dc_crtc_timing *timing); |