diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 67 |
1 files changed, 34 insertions, 33 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c index 6b446ae9e91f..832f7a4deb03 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -416,27 +416,28 @@ static void populate_subvp_cmd_drr_info(struct dc *dc, pipe_data->pipe_config.vblank_data.drr_info.use_ramping = false; // for now don't use ramping pipe_data->pipe_config.vblank_data.drr_info.drr_window_size_ms = 4; // hardcode 4ms DRR window for now - drr_frame_us = drr_timing->v_total * drr_timing->h_total / - (double)(drr_timing->pix_clk_100hz * 100) * 1000000; + drr_frame_us = div64_s64(drr_timing->v_total * drr_timing->h_total, + (int64_t)(drr_timing->pix_clk_100hz * 100) * 1000000); // P-State allow width and FW delays already included phantom_timing->v_addressable - mall_region_us = phantom_timing->v_addressable * phantom_timing->h_total / - (double)(phantom_timing->pix_clk_100hz * 100) * 1000000; + mall_region_us = div64_s64(phantom_timing->v_addressable * phantom_timing->h_total, + (int64_t)(phantom_timing->pix_clk_100hz * 100) * 1000000); min_drr_supported_us = drr_frame_us + mall_region_us + SUBVP_DRR_MARGIN_US; - min_vtotal_supported = drr_timing->pix_clk_100hz * 100 * ((double)min_drr_supported_us / 1000000) / - (double)drr_timing->h_total; - - prefetch_us = (phantom_timing->v_total - phantom_timing->v_front_porch) * phantom_timing->h_total / - (double)(phantom_timing->pix_clk_100hz * 100) * 1000000 + - dc->caps.subvp_prefetch_end_to_mall_start_us; - subvp_active_us = main_timing->v_addressable * main_timing->h_total / - (double)(main_timing->pix_clk_100hz * 100) * 1000000; - drr_active_us = drr_timing->v_addressable * drr_timing->h_total / - (double)(drr_timing->pix_clk_100hz * 100) * 1000000; - max_drr_vblank_us = (double)(subvp_active_us - prefetch_us - drr_active_us) / 2 + drr_active_us; + min_vtotal_supported = div64_s64(drr_timing->pix_clk_100hz * 100 * + (div64_s64((int64_t)min_drr_supported_us, 1000000)), + (int64_t)drr_timing->h_total); + + prefetch_us = div64_s64((phantom_timing->v_total - phantom_timing->v_front_porch) * phantom_timing->h_total, + (int64_t)(phantom_timing->pix_clk_100hz * 100) * 1000000 + + dc->caps.subvp_prefetch_end_to_mall_start_us); + subvp_active_us = div64_s64(main_timing->v_addressable * main_timing->h_total, + (int64_t)(main_timing->pix_clk_100hz * 100) * 1000000); + drr_active_us = div64_s64(drr_timing->v_addressable * drr_timing->h_total, + (int64_t)(drr_timing->pix_clk_100hz * 100) * 1000000); + max_drr_vblank_us = div64_s64((int64_t)(subvp_active_us - prefetch_us - drr_active_us), 2) + drr_active_us; max_drr_mallregion_us = subvp_active_us - prefetch_us - mall_region_us; max_drr_supported_us = max_drr_vblank_us > max_drr_mallregion_us ? max_drr_vblank_us : max_drr_mallregion_us; - max_vtotal_supported = drr_timing->pix_clk_100hz * 100 * ((double)max_drr_supported_us / 1000000) / - (double)drr_timing->h_total; + max_vtotal_supported = div64_s64(drr_timing->pix_clk_100hz * 100 * (div64_s64((int64_t)max_drr_supported_us, 1000000)), + (int64_t)drr_timing->h_total); pipe_data->pipe_config.vblank_data.drr_info.min_vtotal_supported = min_vtotal_supported; pipe_data->pipe_config.vblank_data.drr_info.max_vtotal_supported = max_vtotal_supported; @@ -530,10 +531,10 @@ static void update_subvp_prefetch_end_to_mall_start(struct dc *dc, struct dc_crtc_timing *phantom_timing1 = &subvp_pipes[1]->stream->mall_stream_config.paired_stream->timing; struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data = NULL; - subvp0_prefetch_us = (phantom_timing0->v_total - phantom_timing0->v_front_porch) * phantom_timing0->h_total / - (double)(phantom_timing0->pix_clk_100hz * 100) * 1000000 + dc->caps.subvp_prefetch_end_to_mall_start_us; - subvp1_prefetch_us = (phantom_timing1->v_total - phantom_timing1->v_front_porch) * phantom_timing1->h_total / - (double)(phantom_timing1->pix_clk_100hz * 100) * 1000000 + dc->caps.subvp_prefetch_end_to_mall_start_us; + subvp0_prefetch_us = div64_s64((phantom_timing0->v_total - phantom_timing0->v_front_porch) * phantom_timing0->h_total, + (int64_t)(phantom_timing0->pix_clk_100hz * 100) * 1000000 + dc->caps.subvp_prefetch_end_to_mall_start_us); + subvp1_prefetch_us = div64_s64((phantom_timing1->v_total - phantom_timing1->v_front_porch) * phantom_timing1->h_total, + (int64_t)(phantom_timing1->pix_clk_100hz * 100) * 1000000 + dc->caps.subvp_prefetch_end_to_mall_start_us); // Whichever SubVP PIPE has the smaller prefetch (including the prefetch end to mall start time) // should increase it's prefetch time to match the other @@ -541,16 +542,16 @@ static void update_subvp_prefetch_end_to_mall_start(struct dc *dc, pipe_data = &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[1]; prefetch_delta_us = subvp0_prefetch_us - subvp1_prefetch_us; pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines = - (((double)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us) / 1000000) * - (phantom_timing1->pix_clk_100hz * 100) + phantom_timing1->h_total - 1) / - (double)phantom_timing1->h_total; + div64_s64(((div64_s64((int64_t)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us), 1000000)) * + (phantom_timing1->pix_clk_100hz * 100) + phantom_timing1->h_total - 1), + (int64_t)phantom_timing1->h_total); } else if (subvp1_prefetch_us > subvp0_prefetch_us) { pipe_data = &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[0]; prefetch_delta_us = subvp1_prefetch_us - subvp0_prefetch_us; pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines = - (((double)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us) / 1000000) * - (phantom_timing0->pix_clk_100hz * 100) + phantom_timing0->h_total - 1) / - (double)phantom_timing0->h_total; + div64_s64(((div64_s64((int64_t)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us), 1000000)) * + (phantom_timing0->pix_clk_100hz * 100) + phantom_timing0->h_total - 1), + (int64_t)phantom_timing0->h_total); } } @@ -601,13 +602,13 @@ static void populate_subvp_cmd_pipe_info(struct dc *dc, // Round up pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines = - (((double)dc->caps.subvp_prefetch_end_to_mall_start_us / 1000000) * - (phantom_timing->pix_clk_100hz * 100) + phantom_timing->h_total - 1) / - (double)phantom_timing->h_total; + div64_s64(((div64_s64((int64_t)dc->caps.subvp_prefetch_end_to_mall_start_us, 1000000)) * + (phantom_timing->pix_clk_100hz * 100) + phantom_timing->h_total - 1), + (int64_t)phantom_timing->h_total); pipe_data->pipe_config.subvp_data.processing_delay_lines = - (((double)dc->caps.subvp_fw_processing_delay_us / 1000000) * - (phantom_timing->pix_clk_100hz * 100) + phantom_timing->h_total - 1) / - (double)phantom_timing->h_total; + div64_s64(((div64_s64((int64_t)dc->caps.subvp_fw_processing_delay_us, 1000000)) * + (phantom_timing->pix_clk_100hz * 100) + phantom_timing->h_total - 1), + (int64_t)phantom_timing->h_total); // Find phantom pipe index based on phantom stream for (j = 0; j < dc->res_pool->pipe_count; j++) { struct pipe_ctx *phantom_pipe = &context->res_ctx.pipe_ctx[j]; |