diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c index 0d01aa9f15a62..315466f5aadeb 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c @@ -38,6 +38,8 @@ #include "clk/clk_11_0_0_offset.h" #include "clk/clk_11_0_0_sh_mask.h" +#include "irq/dcn20/irq_service_dcn20.h" + #undef FN #define FN(reg_name, field_name) \ clk_mgr->clk_mgr_shift->field_name, clk_mgr->clk_mgr_mask->field_name @@ -221,6 +223,8 @@ void dcn2_update_clocks(struct clk_mgr *clk_mgr_base, bool force_reset = false; bool p_state_change_support; int total_plane_count; + int irq_src; + uint32_t hpd_state; if (dc->work_arounds.skip_clock_update) return; @@ -238,7 +242,13 @@ void dcn2_update_clocks(struct clk_mgr *clk_mgr_base, if (dc->res_pool->pp_smu) pp_smu = &dc->res_pool->pp_smu->nv_funcs; - if (display_count == 0) + for (irq_src = DC_IRQ_SOURCE_HPD1; irq_src <= DC_IRQ_SOURCE_HPD6; irq_src++) { + hpd_state = dal_get_hpd_state_dcn20(dc->res_pool->irqs, irq_src); + if (hpd_state) + break; + } + + if (display_count == 0 && !hpd_state) enter_display_off = true; if (enter_display_off == safe_to_lower) { diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.c b/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.c index c4b067d018956..49d87fe5c1678 100644 --- a/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.c +++ b/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.c @@ -132,6 +132,31 @@ enum dc_irq_source to_dal_irq_source_dcn20( } } +uint32_t dal_get_hpd_state_dcn20(struct irq_service *irq_service, enum dc_irq_source source) +{ + const struct irq_source_info *info; + uint32_t addr; + uint32_t value; + uint32_t current_status; + + info = find_irq_source_info(irq_service, source); + if (!info) + return 0; + + addr = info->status_reg; + if (!addr) + return 0; + + value = dm_read_reg(irq_service->ctx, addr); + current_status = + get_reg_field_value( + value, + HPD0_DC_HPD_INT_STATUS, + DC_HPD_SENSE); + + return current_status; +} + static bool hpd_ack( struct irq_service *irq_service, const struct irq_source_info *info) diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.h b/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.h index aee4b37999f19..f60a203e71889 100644 --- a/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.h +++ b/drivers/gpu/drm/amd/display/dc/irq/dcn20/irq_service_dcn20.h @@ -31,4 +31,6 @@ struct irq_service *dal_irq_service_dcn20_create( struct irq_service_init_data *init_data); +uint32_t dal_get_hpd_state_dcn20(struct irq_service *irq_service, enum dc_irq_source source); + #endif