xref: /linux/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c (revision 5a558f369ef89c6fd8170ee1137274fcc08517ae)
1 // SPDX-License-Identifier: MIT
2 /*
3  * Copyright © 2022 Intel Corporation
4  */
5 
6 #include <drm/drm_edid.h>
7 #include <drm/drm_eld.h>
8 
9 #include "i915_drv.h"
10 #include "intel_crtc_state_dump.h"
11 #include "intel_display_types.h"
12 #include "intel_hdmi.h"
13 #include "intel_vrr.h"
14 
15 static void intel_dump_crtc_timings(struct drm_printer *p,
16 				    const struct drm_display_mode *mode)
17 {
18 	drm_printf(p, "crtc timings: clock=%d, "
19 		   "hd=%d hb=%d-%d hs=%d-%d ht=%d, "
20 		   "vd=%d vb=%d-%d vs=%d-%d vt=%d, "
21 		   "flags=0x%x\n",
22 		   mode->crtc_clock,
23 		   mode->crtc_hdisplay, mode->crtc_hblank_start, mode->crtc_hblank_end,
24 		   mode->crtc_hsync_start, mode->crtc_hsync_end, mode->crtc_htotal,
25 		   mode->crtc_vdisplay, mode->crtc_vblank_start, mode->crtc_vblank_end,
26 		   mode->crtc_vsync_start, mode->crtc_vsync_end, mode->crtc_vtotal,
27 		   mode->flags);
28 }
29 
30 static void
31 intel_dump_m_n_config(struct drm_printer *p,
32 		      const struct intel_crtc_state *pipe_config,
33 		      const char *id, unsigned int lane_count,
34 		      const struct intel_link_m_n *m_n)
35 {
36 	drm_printf(p, "%s: lanes: %i; data_m: %u, data_n: %u, link_m: %u, link_n: %u, tu: %u\n",
37 		   id, lane_count,
38 		   m_n->data_m, m_n->data_n,
39 		   m_n->link_m, m_n->link_n, m_n->tu);
40 }
41 
42 static void
43 intel_dump_infoframe(struct drm_i915_private *i915,
44 		     const union hdmi_infoframe *frame)
45 {
46 	if (!drm_debug_enabled(DRM_UT_KMS))
47 		return;
48 
49 	hdmi_infoframe_log(KERN_DEBUG, i915->drm.dev, frame);
50 }
51 
52 static void
53 intel_dump_buffer(const char *prefix, const u8 *buf, size_t len)
54 {
55 	if (!drm_debug_enabled(DRM_UT_KMS))
56 		return;
57 
58 	print_hex_dump(KERN_DEBUG, prefix, DUMP_PREFIX_NONE,
59 		       16, 0, buf, len, false);
60 }
61 
62 #define OUTPUT_TYPE(x) [INTEL_OUTPUT_ ## x] = #x
63 
64 static const char * const output_type_str[] = {
65 	OUTPUT_TYPE(UNUSED),
66 	OUTPUT_TYPE(ANALOG),
67 	OUTPUT_TYPE(DVO),
68 	OUTPUT_TYPE(SDVO),
69 	OUTPUT_TYPE(LVDS),
70 	OUTPUT_TYPE(TVOUT),
71 	OUTPUT_TYPE(HDMI),
72 	OUTPUT_TYPE(DP),
73 	OUTPUT_TYPE(EDP),
74 	OUTPUT_TYPE(DSI),
75 	OUTPUT_TYPE(DDI),
76 	OUTPUT_TYPE(DP_MST),
77 };
78 
79 #undef OUTPUT_TYPE
80 
81 static void snprintf_output_types(char *buf, size_t len,
82 				  unsigned int output_types)
83 {
84 	char *str = buf;
85 	int i;
86 
87 	str[0] = '\0';
88 
89 	for (i = 0; i < ARRAY_SIZE(output_type_str); i++) {
90 		int r;
91 
92 		if ((output_types & BIT(i)) == 0)
93 			continue;
94 
95 		r = snprintf(str, len, "%s%s",
96 			     str != buf ? "," : "", output_type_str[i]);
97 		if (r >= len)
98 			break;
99 		str += r;
100 		len -= r;
101 
102 		output_types &= ~BIT(i);
103 	}
104 
105 	WARN_ON_ONCE(output_types != 0);
106 }
107 
108 static const char * const output_format_str[] = {
109 	[INTEL_OUTPUT_FORMAT_RGB] = "RGB",
110 	[INTEL_OUTPUT_FORMAT_YCBCR420] = "YCBCR4:2:0",
111 	[INTEL_OUTPUT_FORMAT_YCBCR444] = "YCBCR4:4:4",
112 };
113 
114 const char *intel_output_format_name(enum intel_output_format format)
115 {
116 	if (format >= ARRAY_SIZE(output_format_str))
117 		return "invalid";
118 	return output_format_str[format];
119 }
120 
121 static void intel_dump_plane_state(struct drm_printer *p,
122 				   const struct intel_plane_state *plane_state)
123 {
124 	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
125 	const struct drm_framebuffer *fb = plane_state->hw.fb;
126 
127 	if (!fb) {
128 		drm_printf(p, "[PLANE:%d:%s] fb: [NOFB], visible: %s\n",
129 			   plane->base.base.id, plane->base.name,
130 			   str_yes_no(plane_state->uapi.visible));
131 		return;
132 	}
133 
134 	drm_printf(p, "[PLANE:%d:%s] fb: [FB:%d] %ux%u format = %p4cc modifier = 0x%llx, visible: %s\n",
135 		   plane->base.base.id, plane->base.name,
136 		   fb->base.id, fb->width, fb->height, &fb->format->format,
137 		   fb->modifier, str_yes_no(plane_state->uapi.visible));
138 	drm_printf(p, "\trotation: 0x%x, scaler: %d, scaling_filter: %d\n",
139 		   plane_state->hw.rotation, plane_state->scaler_id, plane_state->hw.scaling_filter);
140 	if (plane_state->uapi.visible)
141 		drm_printf(p, "\tsrc: " DRM_RECT_FP_FMT " dst: " DRM_RECT_FMT "\n",
142 			   DRM_RECT_FP_ARG(&plane_state->uapi.src),
143 			   DRM_RECT_ARG(&plane_state->uapi.dst));
144 }
145 
146 static void
147 ilk_dump_csc(struct drm_i915_private *i915,
148 	     struct drm_printer *p,
149 	     const char *name,
150 	     const struct intel_csc_matrix *csc)
151 {
152 	int i;
153 
154 	drm_printf(p, "%s: pre offsets: 0x%04x 0x%04x 0x%04x\n", name,
155 		   csc->preoff[0], csc->preoff[1], csc->preoff[2]);
156 
157 	for (i = 0; i < 3; i++)
158 		drm_printf(p, "%s: coefficients: 0x%04x 0x%04x 0x%04x\n", name,
159 			   csc->coeff[3 * i + 0],
160 			   csc->coeff[3 * i + 1],
161 			   csc->coeff[3 * i + 2]);
162 
163 	if (DISPLAY_VER(i915) < 7)
164 		return;
165 
166 	drm_printf(p, "%s: post offsets: 0x%04x 0x%04x 0x%04x\n", name,
167 		   csc->postoff[0], csc->postoff[1], csc->postoff[2]);
168 }
169 
170 static void
171 vlv_dump_csc(struct drm_printer *p, const char *name,
172 	     const struct intel_csc_matrix *csc)
173 {
174 	int i;
175 
176 	for (i = 0; i < 3; i++)
177 		drm_printf(p, "%s: coefficients: 0x%04x 0x%04x 0x%04x\n", name,
178 			   csc->coeff[3 * i + 0],
179 			   csc->coeff[3 * i + 1],
180 			   csc->coeff[3 * i + 2]);
181 }
182 
183 void intel_crtc_state_dump(const struct intel_crtc_state *pipe_config,
184 			   struct intel_atomic_state *state,
185 			   const char *context)
186 {
187 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
188 	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
189 	const struct intel_plane_state *plane_state;
190 	struct intel_plane *plane;
191 	struct drm_printer p;
192 	char buf[64];
193 	int i;
194 
195 	if (!drm_debug_enabled(DRM_UT_KMS))
196 		return;
197 
198 	p = drm_dbg_printer(&i915->drm, DRM_UT_KMS, NULL);
199 
200 	drm_printf(&p, "[CRTC:%d:%s] enable: %s [%s]\n",
201 		   crtc->base.base.id, crtc->base.name,
202 		   str_yes_no(pipe_config->hw.enable), context);
203 
204 	if (!pipe_config->hw.enable)
205 		goto dump_planes;
206 
207 	snprintf_output_types(buf, sizeof(buf), pipe_config->output_types);
208 	drm_printf(&p, "active: %s, output_types: %s (0x%x), output format: %s, sink format: %s\n",
209 		   str_yes_no(pipe_config->hw.active),
210 		   buf, pipe_config->output_types,
211 		   intel_output_format_name(pipe_config->output_format),
212 		   intel_output_format_name(pipe_config->sink_format));
213 
214 	drm_printf(&p, "cpu_transcoder: %s, pipe bpp: %i, dithering: %i\n",
215 		   transcoder_name(pipe_config->cpu_transcoder),
216 		   pipe_config->pipe_bpp, pipe_config->dither);
217 
218 	drm_printf(&p, "MST master transcoder: %s\n",
219 		   transcoder_name(pipe_config->mst_master_transcoder));
220 
221 	drm_printf(&p, "port sync: master transcoder: %s, slave transcoder bitmask = 0x%x\n",
222 		   transcoder_name(pipe_config->master_transcoder),
223 		   pipe_config->sync_mode_slaves_mask);
224 
225 	drm_printf(&p, "bigjoiner: %s, pipes: 0x%x\n",
226 		   intel_crtc_is_bigjoiner_slave(pipe_config) ? "slave" :
227 		   intel_crtc_is_bigjoiner_master(pipe_config) ? "master" : "no",
228 		   pipe_config->bigjoiner_pipes);
229 
230 	drm_printf(&p, "splitter: %s, link count %d, overlap %d\n",
231 		   str_enabled_disabled(pipe_config->splitter.enable),
232 		   pipe_config->splitter.link_count,
233 		   pipe_config->splitter.pixel_overlap);
234 
235 	if (pipe_config->has_pch_encoder)
236 		intel_dump_m_n_config(&p, pipe_config, "fdi",
237 				      pipe_config->fdi_lanes,
238 				      &pipe_config->fdi_m_n);
239 
240 	if (intel_crtc_has_dp_encoder(pipe_config)) {
241 		intel_dump_m_n_config(&p, pipe_config, "dp m_n",
242 				      pipe_config->lane_count,
243 				      &pipe_config->dp_m_n);
244 		intel_dump_m_n_config(&p, pipe_config, "dp m2_n2",
245 				      pipe_config->lane_count,
246 				      &pipe_config->dp_m2_n2);
247 		drm_printf(&p, "fec: %s, enhanced framing: %s\n",
248 			   str_enabled_disabled(pipe_config->fec_enable),
249 			   str_enabled_disabled(pipe_config->enhanced_framing));
250 
251 		drm_printf(&p, "sdp split: %s\n",
252 			   str_enabled_disabled(pipe_config->sdp_split_enable));
253 
254 		drm_printf(&p, "psr: %s, psr2: %s, panel replay: %s, selective fetch: %s\n",
255 			   str_enabled_disabled(pipe_config->has_psr),
256 			   str_enabled_disabled(pipe_config->has_psr2),
257 			   str_enabled_disabled(pipe_config->has_panel_replay),
258 			   str_enabled_disabled(pipe_config->enable_psr2_sel_fetch));
259 	}
260 
261 	drm_printf(&p, "framestart delay: %d, MSA timing delay: %d\n",
262 		   pipe_config->framestart_delay, pipe_config->msa_timing_delay);
263 
264 	drm_printf(&p, "audio: %i, infoframes: %i, infoframes enabled: 0x%x\n",
265 		   pipe_config->has_audio, pipe_config->has_infoframe,
266 		   pipe_config->infoframes.enable);
267 
268 	if (pipe_config->infoframes.enable &
269 	    intel_hdmi_infoframe_enable(HDMI_PACKET_TYPE_GENERAL_CONTROL))
270 		drm_printf(&p, "GCP: 0x%x\n", pipe_config->infoframes.gcp);
271 	if (pipe_config->infoframes.enable &
272 	    intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI))
273 		intel_dump_infoframe(i915, &pipe_config->infoframes.avi);
274 	if (pipe_config->infoframes.enable &
275 	    intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_SPD))
276 		intel_dump_infoframe(i915, &pipe_config->infoframes.spd);
277 	if (pipe_config->infoframes.enable &
278 	    intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_VENDOR))
279 		intel_dump_infoframe(i915, &pipe_config->infoframes.hdmi);
280 	if (pipe_config->infoframes.enable &
281 	    intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_DRM))
282 		intel_dump_infoframe(i915, &pipe_config->infoframes.drm);
283 	if (pipe_config->infoframes.enable &
284 	    intel_hdmi_infoframe_enable(HDMI_PACKET_TYPE_GAMUT_METADATA))
285 		intel_dump_infoframe(i915, &pipe_config->infoframes.drm);
286 	if (pipe_config->infoframes.enable &
287 	    intel_hdmi_infoframe_enable(DP_SDP_VSC))
288 		drm_dp_vsc_sdp_log(&p, &pipe_config->infoframes.vsc);
289 	if (pipe_config->infoframes.enable &
290 	    intel_hdmi_infoframe_enable(DP_SDP_ADAPTIVE_SYNC))
291 		drm_dp_as_sdp_log(&p, &pipe_config->infoframes.as_sdp);
292 
293 	if (pipe_config->has_audio)
294 		intel_dump_buffer("ELD: ", pipe_config->eld,
295 				  drm_eld_size(pipe_config->eld));
296 
297 	drm_printf(&p, "vrr: %s, vmin: %d, vmax: %d, pipeline full: %d, guardband: %d flipline: %d, vmin vblank: %d, vmax vblank: %d\n",
298 		   str_yes_no(pipe_config->vrr.enable),
299 		   pipe_config->vrr.vmin, pipe_config->vrr.vmax,
300 		   pipe_config->vrr.pipeline_full, pipe_config->vrr.guardband,
301 		   pipe_config->vrr.flipline,
302 		   intel_vrr_vmin_vblank_start(pipe_config),
303 		   intel_vrr_vmax_vblank_start(pipe_config));
304 
305 	drm_printf(&p, "requested mode: " DRM_MODE_FMT "\n",
306 		   DRM_MODE_ARG(&pipe_config->hw.mode));
307 	drm_printf(&p, "adjusted mode: " DRM_MODE_FMT "\n",
308 		   DRM_MODE_ARG(&pipe_config->hw.adjusted_mode));
309 	intel_dump_crtc_timings(&p, &pipe_config->hw.adjusted_mode);
310 	drm_printf(&p, "pipe mode: " DRM_MODE_FMT "\n",
311 		   DRM_MODE_ARG(&pipe_config->hw.pipe_mode));
312 	intel_dump_crtc_timings(&p, &pipe_config->hw.pipe_mode);
313 	drm_printf(&p, "port clock: %d, pipe src: " DRM_RECT_FMT ", pixel rate %d\n",
314 		   pipe_config->port_clock, DRM_RECT_ARG(&pipe_config->pipe_src),
315 		   pipe_config->pixel_rate);
316 
317 	drm_printf(&p, "linetime: %d, ips linetime: %d\n",
318 		   pipe_config->linetime, pipe_config->ips_linetime);
319 
320 	if (DISPLAY_VER(i915) >= 9)
321 		drm_printf(&p, "num_scalers: %d, scaler_users: 0x%x, scaler_id: %d, scaling_filter: %d\n",
322 			   crtc->num_scalers,
323 			   pipe_config->scaler_state.scaler_users,
324 			   pipe_config->scaler_state.scaler_id,
325 			   pipe_config->hw.scaling_filter);
326 
327 	if (HAS_GMCH(i915))
328 		drm_printf(&p, "gmch pfit: control: 0x%08x, ratios: 0x%08x, lvds border: 0x%08x\n",
329 			   pipe_config->gmch_pfit.control,
330 			   pipe_config->gmch_pfit.pgm_ratios,
331 			   pipe_config->gmch_pfit.lvds_border_bits);
332 	else
333 		drm_printf(&p, "pch pfit: " DRM_RECT_FMT ", %s, force thru: %s\n",
334 			   DRM_RECT_ARG(&pipe_config->pch_pfit.dst),
335 			   str_enabled_disabled(pipe_config->pch_pfit.enabled),
336 			   str_yes_no(pipe_config->pch_pfit.force_thru));
337 
338 	drm_printf(&p, "ips: %i, double wide: %i, drrs: %i\n",
339 		   pipe_config->ips_enabled, pipe_config->double_wide,
340 		   pipe_config->has_drrs);
341 
342 	intel_dpll_dump_hw_state(i915, &p, &pipe_config->dpll_hw_state);
343 
344 	if (IS_CHERRYVIEW(i915))
345 		drm_printf(&p, "cgm_mode: 0x%x gamma_mode: 0x%x gamma_enable: %d csc_enable: %d\n",
346 			   pipe_config->cgm_mode, pipe_config->gamma_mode,
347 			   pipe_config->gamma_enable, pipe_config->csc_enable);
348 	else
349 		drm_printf(&p, "csc_mode: 0x%x gamma_mode: 0x%x gamma_enable: %d csc_enable: %d\n",
350 			   pipe_config->csc_mode, pipe_config->gamma_mode,
351 			   pipe_config->gamma_enable, pipe_config->csc_enable);
352 
353 	drm_printf(&p, "pre csc lut: %s%d entries, post csc lut: %d entries\n",
354 		   pipe_config->pre_csc_lut && pipe_config->pre_csc_lut ==
355 		   i915->display.color.glk_linear_degamma_lut ? "(linear) " : "",
356 		   pipe_config->pre_csc_lut ?
357 		   drm_color_lut_size(pipe_config->pre_csc_lut) : 0,
358 		   pipe_config->post_csc_lut ?
359 		   drm_color_lut_size(pipe_config->post_csc_lut) : 0);
360 
361 	if (DISPLAY_VER(i915) >= 11)
362 		ilk_dump_csc(i915, &p, "output csc", &pipe_config->output_csc);
363 
364 	if (!HAS_GMCH(i915))
365 		ilk_dump_csc(i915, &p, "pipe csc", &pipe_config->csc);
366 	else if (IS_CHERRYVIEW(i915))
367 		vlv_dump_csc(&p, "cgm csc", &pipe_config->csc);
368 	else if (IS_VALLEYVIEW(i915))
369 		vlv_dump_csc(&p, "wgc csc", &pipe_config->csc);
370 
371 dump_planes:
372 	if (!state)
373 		return;
374 
375 	for_each_new_intel_plane_in_state(state, plane, plane_state, i) {
376 		if (plane->pipe == crtc->pipe)
377 			intel_dump_plane_state(&p, plane_state);
378 	}
379 }
380