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intel_crtc_state_dump.c

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linux-6.19.14/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c C
  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#include <drm/drm_print.h>
  9
 10#include "intel_crtc_state_dump.h"
 11#include "intel_display_core.h"
 12#include "intel_display_types.h"
 13#include "intel_hdmi.h"
 14#include "intel_vblank.h"
 15#include "intel_vdsc.h"
 16#include "intel_vrr.h"
 17
 18static void intel_dump_crtc_timings(struct drm_printer *p,
 19				    const struct drm_display_mode *mode)
 20{
 21	drm_printf(p, "crtc timings: clock=%d, "
 22		   "hd=%d hb=%d-%d hs=%d-%d ht=%d, "
 23		   "vd=%d vb=%d-%d vs=%d-%d vt=%d, "
 24		   "flags=0x%x\n",
 25		   mode->crtc_clock,
 26		   mode->crtc_hdisplay, mode->crtc_hblank_start, mode->crtc_hblank_end,
 27		   mode->crtc_hsync_start, mode->crtc_hsync_end, mode->crtc_htotal,
 28		   mode->crtc_vdisplay, mode->crtc_vblank_start, mode->crtc_vblank_end,
 29		   mode->crtc_vsync_start, mode->crtc_vsync_end, mode->crtc_vtotal,
 30		   mode->flags);
 31}
 32
 33static void
 34intel_dump_m_n_config(struct drm_printer *p,
 35		      const struct intel_crtc_state *pipe_config,
 36		      const char *id, unsigned int lane_count,
 37		      const struct intel_link_m_n *m_n)
 38{
 39	drm_printf(p, "%s: lanes: %i; data_m: %u, data_n: %u, link_m: %u, link_n: %u, tu: %u\n",
 40		   id, lane_count,
 41		   m_n->data_m, m_n->data_n,
 42		   m_n->link_m, m_n->link_n, m_n->tu);
 43}
 44
 45static void
 46intel_dump_infoframe(struct intel_display *display,
 47		     const union hdmi_infoframe *frame)
 48{
 49	if (!drm_debug_enabled(DRM_UT_KMS))
 50		return;
 51
 52	hdmi_infoframe_log(KERN_DEBUG, display->drm->dev, frame);
 53}
 54
 55#define OUTPUT_TYPE(x) [INTEL_OUTPUT_ ## x] = #x
 56
 57static const char * const output_type_str[] = {
 58	OUTPUT_TYPE(UNUSED),
 59	OUTPUT_TYPE(ANALOG),
 60	OUTPUT_TYPE(DVO),
 61	OUTPUT_TYPE(SDVO),
 62	OUTPUT_TYPE(LVDS),
 63	OUTPUT_TYPE(TVOUT),
 64	OUTPUT_TYPE(HDMI),
 65	OUTPUT_TYPE(DP),
 66	OUTPUT_TYPE(EDP),
 67	OUTPUT_TYPE(DSI),
 68	OUTPUT_TYPE(DDI),
 69	OUTPUT_TYPE(DP_MST),
 70};
 71
 72#undef OUTPUT_TYPE
 73
 74static void snprintf_output_types(char *buf, size_t len,
 75				  unsigned int output_types)
 76{
 77	char *str = buf;
 78	int i;
 79
 80	str[0] = '\0';
 81
 82	for (i = 0; i < ARRAY_SIZE(output_type_str); i++) {
 83		int r;
 84
 85		if ((output_types & BIT(i)) == 0)
 86			continue;
 87
 88		r = snprintf(str, len, "%s%s",
 89			     str != buf ? "," : "", output_type_str[i]);
 90		if (r >= len)
 91			break;
 92		str += r;
 93		len -= r;
 94
 95		output_types &= ~BIT(i);
 96	}
 97
 98	WARN_ON_ONCE(output_types != 0);
 99}
100
101static const char * const output_format_str[] = {
102	[INTEL_OUTPUT_FORMAT_RGB] = "RGB",
103	[INTEL_OUTPUT_FORMAT_YCBCR420] = "YCBCR4:2:0",
104	[INTEL_OUTPUT_FORMAT_YCBCR444] = "YCBCR4:4:4",
105};
106
107const char *intel_output_format_name(enum intel_output_format format)
108{
109	if (format >= ARRAY_SIZE(output_format_str))
110		return "invalid";
111	return output_format_str[format];
112}
113
114static void intel_dump_plane_state(struct drm_printer *p,
115				   const struct intel_plane_state *plane_state)
116{
117	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
118	const struct drm_framebuffer *fb = plane_state->hw.fb;
119
120	if (!fb) {
121		drm_printf(p, "[PLANE:%d:%s] fb: [NOFB], visible: %s\n",
122			   plane->base.base.id, plane->base.name,
123			   str_yes_no(plane_state->uapi.visible));
124		return;
125	}
126
127	drm_printf(p, "[PLANE:%d:%s] fb: [FB:%d] %ux%u format = %p4cc modifier = 0x%llx, visible: %s\n",
128		   plane->base.base.id, plane->base.name,
129		   fb->base.id, fb->width, fb->height, &fb->format->format,
130		   fb->modifier, str_yes_no(plane_state->uapi.visible));
131	drm_printf(p, "\trotation: 0x%x, scaler: %d, scaling_filter: %d\n",
132		   plane_state->hw.rotation, plane_state->scaler_id, plane_state->hw.scaling_filter);
133	if (plane_state->uapi.visible)
134		drm_printf(p, "\tsrc: " DRM_RECT_FP_FMT " dst: " DRM_RECT_FMT "\n",
135			   DRM_RECT_FP_ARG(&plane_state->uapi.src),
136			   DRM_RECT_ARG(&plane_state->uapi.dst));
137}
138
139static void
140ilk_dump_csc(struct intel_display *display,
141	     struct drm_printer *p,
142	     const char *name,
143	     const struct intel_csc_matrix *csc)
144{
145	int i;
146
147	drm_printf(p, "%s: pre offsets: 0x%04x 0x%04x 0x%04x\n", name,
148		   csc->preoff[0], csc->preoff[1], csc->preoff[2]);
149
150	for (i = 0; i < 3; i++)
151		drm_printf(p, "%s: coefficients: 0x%04x 0x%04x 0x%04x\n", name,
152			   csc->coeff[3 * i + 0],
153			   csc->coeff[3 * i + 1],
154			   csc->coeff[3 * i + 2]);
155
156	if (DISPLAY_VER(display) < 7)
157		return;
158
159	drm_printf(p, "%s: post offsets: 0x%04x 0x%04x 0x%04x\n", name,
160		   csc->postoff[0], csc->postoff[1], csc->postoff[2]);
161}
162
163static void
164vlv_dump_csc(struct drm_printer *p, const char *name,
165	     const struct intel_csc_matrix *csc)
166{
167	int i;
168
169	for (i = 0; i < 3; i++)
170		drm_printf(p, "%s: coefficients: 0x%04x 0x%04x 0x%04x\n", name,
171			   csc->coeff[3 * i + 0],
172			   csc->coeff[3 * i + 1],
173			   csc->coeff[3 * i + 2]);
174}
175
176void intel_crtc_state_dump(const struct intel_crtc_state *pipe_config,
177			   struct intel_atomic_state *state,
178			   const char *context)
179{
180	struct intel_display *display = to_intel_display(pipe_config);
181	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
182	const struct intel_plane_state *plane_state;
183	struct intel_plane *plane;
184	struct drm_printer p;
185	char buf[64];
186	int i;
187
188	if (!drm_debug_enabled(DRM_UT_KMS))
189		return;
190
191	p = drm_dbg_printer(display->drm, DRM_UT_KMS, NULL);
192
193	drm_printf(&p, "[CRTC:%d:%s] enable: %s [%s]\n",
194		   crtc->base.base.id, crtc->base.name,
195		   str_yes_no(pipe_config->hw.enable), context);
196
197	if (!pipe_config->hw.enable)
198		goto dump_planes;
199
200	snprintf_output_types(buf, sizeof(buf), pipe_config->output_types);
201	drm_printf(&p, "active: %s, output_types: %s (0x%x), output format: %s, sink format: %s\n",
202		   str_yes_no(pipe_config->hw.active),
203		   buf, pipe_config->output_types,
204		   intel_output_format_name(pipe_config->output_format),
205		   intel_output_format_name(pipe_config->sink_format));
206
207	drm_printf(&p, "cpu_transcoder: %s, pipe bpp: %i, dithering: %i\n",
208		   transcoder_name(pipe_config->cpu_transcoder),
209		   pipe_config->pipe_bpp, pipe_config->dither);
210
211	drm_printf(&p, "MST master transcoder: %s\n",
212		   transcoder_name(pipe_config->mst_master_transcoder));
213
214	drm_printf(&p, "port sync: master transcoder: %s, slave transcoder bitmask = 0x%x\n",
215		   transcoder_name(pipe_config->master_transcoder),
216		   pipe_config->sync_mode_slaves_mask);
217
218	drm_printf(&p, "joiner: %s, pipes: 0x%x\n",
219		   intel_crtc_is_joiner_secondary(pipe_config) ? "secondary" :
220		   intel_crtc_is_joiner_primary(pipe_config) ? "primary" : "no",
221		   pipe_config->joiner_pipes);
222
223	drm_printf(&p, "splitter: %s, link count %d, overlap %d\n",
224		   str_enabled_disabled(pipe_config->splitter.enable),
225		   pipe_config->splitter.link_count,
226		   pipe_config->splitter.pixel_overlap);
227
228	if (pipe_config->has_pch_encoder)
229		intel_dump_m_n_config(&p, pipe_config, "fdi",
230				      pipe_config->fdi_lanes,
231				      &pipe_config->fdi_m_n);
232
233	if (intel_crtc_has_dp_encoder(pipe_config)) {
234		intel_dump_m_n_config(&p, pipe_config, "dp m_n",
235				      pipe_config->lane_count,
236				      &pipe_config->dp_m_n);
237		intel_dump_m_n_config(&p, pipe_config, "dp m2_n2",
238				      pipe_config->lane_count,
239				      &pipe_config->dp_m2_n2);
240		drm_printf(&p, "fec: %s, enhanced framing: %s\n",
241			   str_enabled_disabled(pipe_config->fec_enable),
242			   str_enabled_disabled(pipe_config->enhanced_framing));
243
244		drm_printf(&p, "sdp split: %s\n",
245			   str_enabled_disabled(pipe_config->sdp_split_enable));
246
247		drm_printf(&p, "psr: %s, selective update: %s, panel replay: %s, selective fetch: %s\n",
248			   str_enabled_disabled(pipe_config->has_psr &&
249						!pipe_config->has_panel_replay),
250			   str_enabled_disabled(pipe_config->has_sel_update),
251			   str_enabled_disabled(pipe_config->has_panel_replay),
252			   str_enabled_disabled(pipe_config->enable_psr2_sel_fetch));
253		drm_printf(&p, "minimum HBlank: %d\n", pipe_config->min_hblank);
254	}
255
256	drm_printf(&p, "audio: %i, infoframes: %i, infoframes enabled: 0x%x\n",
257		   pipe_config->has_audio, pipe_config->has_infoframe,
258		   pipe_config->infoframes.enable);
259
260	if (pipe_config->infoframes.enable &
261	    intel_hdmi_infoframe_enable(HDMI_PACKET_TYPE_GENERAL_CONTROL))
262		drm_printf(&p, "GCP: 0x%x\n", pipe_config->infoframes.gcp);
263	if (pipe_config->infoframes.enable &
264	    intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI))
265		intel_dump_infoframe(display, &pipe_config->infoframes.avi);
266	if (pipe_config->infoframes.enable &
267	    intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_SPD))
268		intel_dump_infoframe(display, &pipe_config->infoframes.spd);
269	if (pipe_config->infoframes.enable &
270	    intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_VENDOR))
271		intel_dump_infoframe(display, &pipe_config->infoframes.hdmi);
272	if (pipe_config->infoframes.enable &
273	    intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_DRM))
274		intel_dump_infoframe(display, &pipe_config->infoframes.drm);
275	if (pipe_config->infoframes.enable &
276	    intel_hdmi_infoframe_enable(HDMI_PACKET_TYPE_GAMUT_METADATA))
277		intel_dump_infoframe(display, &pipe_config->infoframes.drm);
278	if (pipe_config->infoframes.enable &
279	    intel_hdmi_infoframe_enable(DP_SDP_VSC))
280		drm_dp_vsc_sdp_log(&p, &pipe_config->infoframes.vsc);
281	if (pipe_config->infoframes.enable &
282	    intel_hdmi_infoframe_enable(DP_SDP_ADAPTIVE_SYNC))
283		drm_dp_as_sdp_log(&p, &pipe_config->infoframes.as_sdp);
284
285	if (pipe_config->has_audio)
286		drm_print_hex_dump(&p, "ELD: ", pipe_config->eld,
287				   drm_eld_size(pipe_config->eld));
288
289	drm_printf(&p, "scanline offset: %d\n",
290		   intel_crtc_scanline_offset(pipe_config));
291
292	drm_printf(&p, "framestart delay: %d, MSA timing delay: %d, set context latency: %d\n",
293		   pipe_config->framestart_delay, pipe_config->msa_timing_delay,
294		   pipe_config->set_context_latency);
295
296	drm_printf(&p, "vrr: %s, fixed rr: %s, vmin: %d, vmax: %d, flipline: %d, pipeline full: %d, guardband: %d vsync start: %d, vsync end: %d\n",
297		   str_yes_no(pipe_config->vrr.enable),
298		   str_yes_no(intel_vrr_is_fixed_rr(pipe_config)),
299		   pipe_config->vrr.vmin, pipe_config->vrr.vmax, pipe_config->vrr.flipline,
300		   pipe_config->vrr.pipeline_full, pipe_config->vrr.guardband,
301		   pipe_config->vrr.vsync_start, pipe_config->vrr.vsync_end);
302
303	drm_printf(&p, "vrr: vmin vblank: %d, vmax vblank: %d, vmin vtotal: %d, vmax vtotal: %d\n",
304		   intel_vrr_vmin_vblank_start(pipe_config), intel_vrr_vmax_vblank_start(pipe_config),
305		   intel_vrr_vmin_vtotal(pipe_config), intel_vrr_vmax_vtotal(pipe_config));
306
307	drm_printf(&p, "requested mode: " DRM_MODE_FMT "\n",
308		   DRM_MODE_ARG(&pipe_config->hw.mode));
309	drm_printf(&p, "adjusted mode: " DRM_MODE_FMT "\n",
310		   DRM_MODE_ARG(&pipe_config->hw.adjusted_mode));
311	intel_dump_crtc_timings(&p, &pipe_config->hw.adjusted_mode);
312	drm_printf(&p, "pipe mode: " DRM_MODE_FMT "\n",
313		   DRM_MODE_ARG(&pipe_config->hw.pipe_mode));
314	intel_dump_crtc_timings(&p, &pipe_config->hw.pipe_mode);
315	drm_printf(&p, "port clock: %d, pipe src: " DRM_RECT_FMT ", pixel rate %d, min cdclk %d\n",
316		   pipe_config->port_clock, DRM_RECT_ARG(&pipe_config->pipe_src),
317		   pipe_config->pixel_rate, pipe_config->min_cdclk);
318
319	drm_printf(&p, "linetime: %d, ips linetime: %d\n",
320		   pipe_config->linetime, pipe_config->ips_linetime);
321
322	if (DISPLAY_VER(display) >= 9)
323		drm_printf(&p, "num_scalers: %d, scaler_users: 0x%x, scaler_id: %d, scaling_filter: %d\n",
324			   crtc->num_scalers,
325			   pipe_config->scaler_state.scaler_users,
326			   pipe_config->scaler_state.scaler_id,
327			   pipe_config->hw.scaling_filter);
328
329	if (HAS_GMCH(display))
330		drm_printf(&p, "gmch pfit: control: 0x%08x, ratios: 0x%08x, lvds border: 0x%08x\n",
331			   pipe_config->gmch_pfit.control,
332			   pipe_config->gmch_pfit.pgm_ratios,
333			   pipe_config->gmch_pfit.lvds_border_bits);
334	else
335		drm_printf(&p, "pch pfit: " DRM_RECT_FMT ", %s, force thru: %s\n",
336			   DRM_RECT_ARG(&pipe_config->pch_pfit.dst),
337			   str_enabled_disabled(pipe_config->pch_pfit.enabled),
338			   str_yes_no(pipe_config->pch_pfit.force_thru));
339
340	drm_printf(&p, "ips: %i, double wide: %i, drrs: %i\n",
341		   pipe_config->ips_enabled, pipe_config->double_wide,
342		   pipe_config->has_drrs);
343
344	intel_dpll_dump_hw_state(display, &p, &pipe_config->dpll_hw_state);
345
346	if (display->platform.cherryview)
347		drm_printf(&p, "cgm_mode: 0x%x gamma_mode: 0x%x gamma_enable: %d csc_enable: %d\n",
348			   pipe_config->cgm_mode, pipe_config->gamma_mode,
349			   pipe_config->gamma_enable, pipe_config->csc_enable);
350	else
351		drm_printf(&p, "csc_mode: 0x%x gamma_mode: 0x%x gamma_enable: %d csc_enable: %d\n",
352			   pipe_config->csc_mode, pipe_config->gamma_mode,
353			   pipe_config->gamma_enable, pipe_config->csc_enable);
354
355	drm_printf(&p, "pre csc lut: %s%d entries, post csc lut: %d entries\n",
356		   pipe_config->pre_csc_lut && pipe_config->pre_csc_lut ==
357		   display->color.glk_linear_degamma_lut ? "(linear) " : "",
358		   pipe_config->pre_csc_lut ?
359		   drm_color_lut_size(pipe_config->pre_csc_lut) : 0,
360		   pipe_config->post_csc_lut ?
361		   drm_color_lut_size(pipe_config->post_csc_lut) : 0);
362
363	if (DISPLAY_VER(display) >= 11)
364		ilk_dump_csc(display, &p, "output csc", &pipe_config->output_csc);
365
366	if (!HAS_GMCH(display))
367		ilk_dump_csc(display, &p, "pipe csc", &pipe_config->csc);
368	else if (display->platform.cherryview)
369		vlv_dump_csc(&p, "cgm csc", &pipe_config->csc);
370	else if (display->platform.valleyview)
371		vlv_dump_csc(&p, "wgc csc", &pipe_config->csc);
372
373	intel_vdsc_state_dump(&p, 0, pipe_config);
374
375	drm_printf(&p, "sharpness strength: %d, sharpness tap size: %d, sharpness enable: %d\n",
376		   pipe_config->hw.casf_params.strength,
377		   pipe_config->hw.casf_params.win_size,
378		   pipe_config->hw.casf_params.casf_enable);
379
380dump_planes:
381	if (!state)
382		return;
383
384	for_each_new_intel_plane_in_state(state, plane, plane_state, i) {
385		if (plane->pipe == crtc->pipe)
386			intel_dump_plane_state(&p, plane_state);
387	}
388}
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