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
intel_display_snapshot_capture(struct intel_display * display)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
intel_display_snapshot_print(const struct intel_display_snapshot * snapshot,struct drm_printer * p)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
intel_display_snapshot_free(struct intel_display_snapshot * snapshot)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