diff options
4 files changed, 142 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.c b/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.c index 5babd53025ae..d3e46c3cfa57 100644 --- a/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dccg/dcn401/dcn401_dccg.c @@ -580,9 +580,6 @@ static void dccg401_set_dpstreamclk( int otg_inst, int dp_hpo_inst) { - /* set the dtbclk_p source */ - dccg401_set_dtbclk_p_src(dccg, src, otg_inst); - /* enabled to select one of the DTBCLKs for pipe */ if (src == REFCLK) dccg401_disable_dpstreamclk(dccg, dp_hpo_inst); diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c index b690f0565d28..49a37f5ee28e 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c @@ -844,6 +844,13 @@ enum dc_status dcn401_enable_stream_timing( odm_slice_width, last_odm_slice_width); } + /* set DTBCLK_P */ + if (dc->res_pool->dccg->funcs->set_dtbclk_p_src) { + if (dc_is_dp_signal(stream->signal) || dc_is_virtual_signal(stream->signal)) { + dc->res_pool->dccg->funcs->set_dtbclk_p_src(dc->res_pool->dccg, DPREFCLK, pipe_ctx->stream_res.tg->inst); + } + } + /* HW program guide assume display already disable * by unplug sequence. OTG assume stop. */ @@ -1004,8 +1011,6 @@ void dcn401_enable_stream(struct pipe_ctx *pipe_ctx) dccg->funcs->enable_symclk32_se(dccg, dp_hpo_inst, phyd32clk); } else { - /* need to set DTBCLK_P source to DPREFCLK for DP8B10B */ - dccg->funcs->set_dtbclk_p_src(dccg, DPREFCLK, tg->inst); dccg->funcs->enable_symclk_se(dccg, stream_enc->stream_enc_inst, link_enc->transmitter - TRANSMITTER_UNIPHY_A); } @@ -1819,3 +1824,129 @@ void dcn401_program_outstanding_updates(struct dc *dc, if (hubbub->funcs->program_compbuf_segments) hubbub->funcs->program_compbuf_segments(hubbub, context->bw_ctx.bw.dcn.arb_regs.compbuf_size, true); } + +void dcn401_reset_back_end_for_pipe( + struct dc *dc, + struct pipe_ctx *pipe_ctx, + struct dc_state *context) +{ + int i; + struct dc_link *link = pipe_ctx->stream->link; + const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res); + + DC_LOGGER_INIT(dc->ctx->logger); + if (pipe_ctx->stream_res.stream_enc == NULL) { + pipe_ctx->stream = NULL; + return; + } + + /* DPMS may already disable or */ + /* dpms_off status is incorrect due to fastboot + * feature. When system resume from S4 with second + * screen only, the dpms_off would be true but + * VBIOS lit up eDP, so check link status too. + */ + if (!pipe_ctx->stream->dpms_off || link->link_status.link_active) + dc->link_srv->set_dpms_off(pipe_ctx); + else if (pipe_ctx->stream_res.audio) + dc->hwss.disable_audio_stream(pipe_ctx); + + /* free acquired resources */ + if (pipe_ctx->stream_res.audio) { + /*disable az_endpoint*/ + pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio); + + /*free audio*/ + if (dc->caps.dynamic_audio == true) { + /*we have to dynamic arbitrate the audio endpoints*/ + /*we free the resource, need reset is_audio_acquired*/ + update_audio_usage(&dc->current_state->res_ctx, dc->res_pool, + pipe_ctx->stream_res.audio, false); + pipe_ctx->stream_res.audio = NULL; + } + } + + /* by upper caller loop, parent pipe: pipe0, will be reset last. + * back end share by all pipes and will be disable only when disable + * parent pipe. + */ + if (pipe_ctx->top_pipe == NULL) { + + dc->hwss.set_abm_immediate_disable(pipe_ctx); + + pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg); + + pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false); + if (pipe_ctx->stream_res.tg->funcs->set_odm_bypass) + pipe_ctx->stream_res.tg->funcs->set_odm_bypass( + pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing); + + if (pipe_ctx->stream_res.tg->funcs->set_drr) + pipe_ctx->stream_res.tg->funcs->set_drr( + pipe_ctx->stream_res.tg, NULL); + /* TODO - convert symclk_ref_cnts for otg to a bit map to solve + * the case where the same symclk is shared across multiple otg + * instances + */ + if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal)) + link->phy_state.symclk_ref_cnts.otg = 0; + if (link->phy_state.symclk_state == SYMCLK_ON_TX_OFF) { + link_hwss->disable_link_output(link, + &pipe_ctx->link_res, pipe_ctx->stream->signal); + link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF; + } + + /* reset DTBCLK_P */ + if (dc->res_pool->dccg->funcs->set_dtbclk_p_src) + dc->res_pool->dccg->funcs->set_dtbclk_p_src(dc->res_pool->dccg, REFCLK, pipe_ctx->stream_res.tg->inst); + } + + for (i = 0; i < dc->res_pool->pipe_count; i++) + if (&dc->current_state->res_ctx.pipe_ctx[i] == pipe_ctx) + break; + + if (i == dc->res_pool->pipe_count) + return; + +/* + * In case of a dangling plane, setting this to NULL unconditionally + * causes failures during reset hw ctx where, if stream is NULL, + * it is expected that the pipe_ctx pointers to pipes and plane are NULL. + */ + pipe_ctx->stream = NULL; + DC_LOG_DEBUG("Reset back end for pipe %d, tg:%d\n", + pipe_ctx->pipe_idx, pipe_ctx->stream_res.tg->inst); +} + +void dcn401_reset_hw_ctx_wrap( + struct dc *dc, + struct dc_state *context) +{ + int i; + struct dce_hwseq *hws = dc->hwseq; + + /* Reset Back End*/ + for (i = dc->res_pool->pipe_count - 1; i >= 0 ; i--) { + struct pipe_ctx *pipe_ctx_old = + &dc->current_state->res_ctx.pipe_ctx[i]; + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; + + if (!pipe_ctx_old->stream) + continue; + + if (pipe_ctx_old->top_pipe || pipe_ctx_old->prev_odm_pipe) + continue; + + if (!pipe_ctx->stream || + pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) { + struct clock_source *old_clk = pipe_ctx_old->clock_source; + + if (hws->funcs.reset_back_end_for_pipe) + hws->funcs.reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state); + if (hws->funcs.enable_stream_gating) + hws->funcs.enable_stream_gating(dc, pipe_ctx_old); + if (old_clk) + old_clk->funcs->cs_power_down(old_clk); + } + } +} diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.h index e6692cd905d6..66d679080c44 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.h @@ -88,4 +88,11 @@ void adjust_hotspot_between_slices_for_2x_magnify(uint32_t cursor_width, struct void dcn401_wait_for_det_buffer_update_under_otg_master(struct dc *dc, struct dc_state *context, struct pipe_ctx *otg_master); void dcn401_interdependent_update_lock(struct dc *dc, struct dc_state *context, bool lock); void dcn401_program_outstanding_updates(struct dc *dc, struct dc_state *context); +void dcn401_reset_back_end_for_pipe( + struct dc *dc, + struct pipe_ctx *pipe_ctx, + struct dc_state *context); +void dcn401_reset_hw_ctx_wrap( + struct dc *dc, + struct dc_state *context); #endif /* __DC_HWSS_DCN401_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c index d1128a8082a5..af0d40a5cb77 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_init.c @@ -112,7 +112,7 @@ static const struct hwseq_private_funcs dcn401_private_funcs = { .power_down = dce110_power_down, .enable_display_power_gating = dcn10_dummy_display_power_gating, .blank_pixel_data = dcn20_blank_pixel_data, - .reset_hw_ctx_wrap = dcn20_reset_hw_ctx_wrap, + .reset_hw_ctx_wrap = dcn401_reset_hw_ctx_wrap, .enable_stream_timing = dcn401_enable_stream_timing, .edp_backlight_control = dce110_edp_backlight_control, .setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt, @@ -137,7 +137,7 @@ static const struct hwseq_private_funcs dcn401_private_funcs = { .update_mall_sel = dcn32_update_mall_sel, .calculate_dccg_k1_k2_values = NULL, .apply_single_controller_ctx_to_hw = dce110_apply_single_controller_ctx_to_hw, - .reset_back_end_for_pipe = dcn20_reset_back_end_for_pipe, + .reset_back_end_for_pipe = dcn401_reset_back_end_for_pipe, .populate_mcm_luts = NULL, }; 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