1 // SPDX-License-Identifier: MIT 2 /* Copyright © 2024 Intel Corporation */ 3 4 #include <linux/slab.h> 5 6 #include <drm/drm_drv.h> 7 8 #include "intel_display_core.h" 9 #include "intel_display_device.h" 10 #include "intel_display_params.h" 11 #include "intel_display_snapshot.h" 12 #include "intel_dmc.h" 13 #include "intel_overlay.h" 14 15 struct intel_display_snapshot { 16 struct intel_display *display; 17 18 struct intel_display_device_info info; 19 struct intel_display_runtime_info runtime_info; 20 struct intel_display_params params; 21 struct intel_overlay_snapshot *overlay; 22 struct intel_dmc_snapshot *dmc; 23 }; 24 25 struct intel_display_snapshot *intel_display_snapshot_capture(struct intel_display *display) 26 { 27 struct intel_display_snapshot *snapshot; 28 29 snapshot = kzalloc(sizeof(*snapshot), GFP_ATOMIC); 30 if (!snapshot) 31 return NULL; 32 33 snapshot->display = display; 34 35 memcpy(&snapshot->info, DISPLAY_INFO(display), sizeof(snapshot->info)); 36 memcpy(&snapshot->runtime_info, DISPLAY_RUNTIME_INFO(display), 37 sizeof(snapshot->runtime_info)); 38 39 intel_display_params_copy(&snapshot->params); 40 41 snapshot->overlay = intel_overlay_snapshot_capture(display); 42 snapshot->dmc = intel_dmc_snapshot_capture(display); 43 44 return snapshot; 45 } 46 47 void intel_display_snapshot_print(const struct intel_display_snapshot *snapshot, 48 struct drm_printer *p) 49 { 50 struct intel_display *display; 51 52 if (!snapshot) 53 return; 54 55 display = snapshot->display; 56 57 intel_display_device_info_print(&snapshot->info, &snapshot->runtime_info, p); 58 intel_display_params_dump(&snapshot->params, display->drm->driver->name, p); 59 60 intel_overlay_snapshot_print(snapshot->overlay, p); 61 intel_dmc_snapshot_print(snapshot->dmc, p); 62 } 63 64 void intel_display_snapshot_free(struct intel_display_snapshot *snapshot) 65 { 66 if (!snapshot) 67 return; 68 69 intel_display_params_free(&snapshot->params); 70 71 kfree(snapshot->overlay); 72 kfree(snapshot->dmc); 73 kfree(snapshot); 74 } 75