bcm27xx: update patches from RPi foundation
[oweals/openwrt.git] / target / linux / bcm27xx / patches-5.4 / 950-0575-drm-vc4-hdmi-Rename-hdmi-to-vc4_hdmi.patch
1 From 02b7a6ed6b9fc110dd26598d26c31c0837af6184 Mon Sep 17 00:00:00 2001
2 From: Maxime Ripard <maxime@cerno.tech>
3 Date: Mon, 6 Jan 2020 18:07:05 +0100
4 Subject: [PATCH] drm/vc4: hdmi: Rename hdmi to vc4_hdmi
5
6 The driver isn't consistent with the name given to the vc4_hdmi
7 structure pointer in its functions. Make sure to use a consistent name.
8
9 Signed-off-by: Maxime Ripard <maxime@cerno.tech>
10 ---
11  drivers/gpu/drm/vc4/vc4_hdmi.c | 271 +++++++++++++++++----------------
12  1 file changed, 136 insertions(+), 135 deletions(-)
13
14 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c
15 +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
16 @@ -108,11 +108,11 @@ static const struct debugfs_reg32 hd_reg
17  static int vc4_hdmi_debugfs_regs(struct seq_file *m, void *unused)
18  {
19         struct drm_info_node *node = (struct drm_info_node *)m->private;
20 -       struct vc4_hdmi *hdmi = node->info_ent->data;
21 +       struct vc4_hdmi *vc4_hdmi = node->info_ent->data;
22         struct drm_printer p = drm_seq_file_printer(m);
23  
24 -       drm_print_regset32(&p, &hdmi->hdmi_regset);
25 -       drm_print_regset32(&p, &hdmi->hd_regset);
26 +       drm_print_regset32(&p, &vc4_hdmi->hdmi_regset);
27 +       drm_print_regset32(&p, &vc4_hdmi->hd_regset);
28  
29         return 0;
30  }
31 @@ -297,8 +297,8 @@ static void vc4_hdmi_set_avi_infoframe(s
32  {
33         struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder);
34         struct vc4_dev *vc4 = encoder->dev->dev_private;
35 -       struct vc4_hdmi *hdmi = vc4->hdmi;
36 -       struct drm_connector *connector = &hdmi->connector.base;
37 +       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
38 +       struct drm_connector *connector = &vc4_hdmi->connector.base;
39         struct drm_connector_state *cstate = connector->state;
40         struct drm_crtc *crtc = encoder->crtc;
41         const struct drm_display_mode *mode = &crtc->state->adjusted_mode;
42 @@ -346,7 +346,7 @@ static void vc4_hdmi_set_audio_infoframe
43  {
44         struct drm_device *drm = encoder->dev;
45         struct vc4_dev *vc4 = drm->dev_private;
46 -       struct vc4_hdmi *hdmi = vc4->hdmi;
47 +       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
48         union hdmi_infoframe frame;
49         int ret;
50  
51 @@ -355,7 +355,7 @@ static void vc4_hdmi_set_audio_infoframe
52         frame.audio.coding_type = HDMI_AUDIO_CODING_TYPE_STREAM;
53         frame.audio.sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM;
54         frame.audio.sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;
55 -       frame.audio.channels = hdmi->audio.channels;
56 +       frame.audio.channels = vc4_hdmi->audio.channels;
57  
58         vc4_hdmi_write_infoframe(encoder, &frame);
59  }
60 @@ -370,7 +370,7 @@ static void vc4_hdmi_encoder_disable(str
61  {
62         struct drm_device *dev = encoder->dev;
63         struct vc4_dev *vc4 = to_vc4_dev(dev);
64 -       struct vc4_hdmi *hdmi = vc4->hdmi;
65 +       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
66         int ret;
67  
68         HDMI_WRITE(VC4_HDMI_RAM_PACKET_CONFIG, 0);
69 @@ -379,9 +379,9 @@ static void vc4_hdmi_encoder_disable(str
70         HD_WRITE(VC4_HD_VID_CTL,
71                  HD_READ(VC4_HD_VID_CTL) & ~VC4_HD_VID_CTL_ENABLE);
72  
73 -       clk_disable_unprepare(hdmi->pixel_clock);
74 +       clk_disable_unprepare(vc4_hdmi->pixel_clock);
75  
76 -       ret = pm_runtime_put(&hdmi->pdev->dev);
77 +       ret = pm_runtime_put(&vc4_hdmi->pdev->dev);
78         if (ret < 0)
79                 DRM_ERROR("Failed to release power domain: %d\n", ret);
80  }
81 @@ -392,7 +392,7 @@ static void vc4_hdmi_encoder_enable(stru
82         struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder);
83         struct drm_device *dev = encoder->dev;
84         struct vc4_dev *vc4 = to_vc4_dev(dev);
85 -       struct vc4_hdmi *hdmi = vc4->hdmi;
86 +       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
87         bool debug_dump_regs = false;
88         bool hsync_pos = mode->flags & DRM_MODE_FLAG_PHSYNC;
89         bool vsync_pos = mode->flags & DRM_MODE_FLAG_PVSYNC;
90 @@ -414,13 +414,13 @@ static void vc4_hdmi_encoder_enable(stru
91         u32 csc_ctl;
92         int ret;
93  
94 -       ret = pm_runtime_get_sync(&hdmi->pdev->dev);
95 +       ret = pm_runtime_get_sync(&vc4_hdmi->pdev->dev);
96         if (ret < 0) {
97                 DRM_ERROR("Failed to retain power domain: %d\n", ret);
98                 return;
99         }
100  
101 -       ret = clk_set_rate(hdmi->pixel_clock,
102 +       ret = clk_set_rate(vc4_hdmi->pixel_clock,
103                            mode->clock * 1000 *
104                            ((mode->flags & DRM_MODE_FLAG_DBLCLK) ? 2 : 1));
105         if (ret) {
106 @@ -428,7 +428,7 @@ static void vc4_hdmi_encoder_enable(stru
107                 return;
108         }
109  
110 -       ret = clk_prepare_enable(hdmi->pixel_clock);
111 +       ret = clk_prepare_enable(vc4_hdmi->pixel_clock);
112         if (ret) {
113                 DRM_ERROR("Failed to turn on pixel clock: %d\n", ret);
114                 return;
115 @@ -448,11 +448,11 @@ static void vc4_hdmi_encoder_enable(stru
116         HDMI_WRITE(VC4_HDMI_TX_PHY_RESET_CTL, 0);
117  
118         if (debug_dump_regs) {
119 -               struct drm_printer p = drm_info_printer(&hdmi->pdev->dev);
120 +               struct drm_printer p = drm_info_printer(&vc4_hdmi->pdev->dev);
121  
122 -               dev_info(&hdmi->pdev->dev, "HDMI regs before:\n");
123 -               drm_print_regset32(&p, &hdmi->hdmi_regset);
124 -               drm_print_regset32(&p, &hdmi->hd_regset);
125 +               dev_info(&vc4_hdmi->pdev->dev, "HDMI regs before:\n");
126 +               drm_print_regset32(&p, &vc4_hdmi->hdmi_regset);
127 +               drm_print_regset32(&p, &vc4_hdmi->hd_regset);
128         }
129  
130         HD_WRITE(VC4_HD_VID_CTL, 0);
131 @@ -527,11 +527,11 @@ static void vc4_hdmi_encoder_enable(stru
132         HDMI_WRITE(VC4_HDMI_FIFO_CTL, VC4_HDMI_FIFO_CTL_MASTER_SLAVE_N);
133  
134         if (debug_dump_regs) {
135 -               struct drm_printer p = drm_info_printer(&hdmi->pdev->dev);
136 +               struct drm_printer p = drm_info_printer(&vc4_hdmi->pdev->dev);
137  
138 -               dev_info(&hdmi->pdev->dev, "HDMI regs after:\n");
139 -               drm_print_regset32(&p, &hdmi->hdmi_regset);
140 -               drm_print_regset32(&p, &hdmi->hd_regset);
141 +               dev_info(&vc4_hdmi->pdev->dev, "HDMI regs after:\n");
142 +               drm_print_regset32(&p, &vc4_hdmi->hdmi_regset);
143 +               drm_print_regset32(&p, &vc4_hdmi->hd_regset);
144         }
145  
146         HD_WRITE(VC4_HD_VID_CTL,
147 @@ -630,15 +630,15 @@ static const struct drm_encoder_helper_f
148  };
149  
150  /* HDMI audio codec callbacks */
151 -static void vc4_hdmi_audio_set_mai_clock(struct vc4_hdmi *hdmi)
152 +static void vc4_hdmi_audio_set_mai_clock(struct vc4_hdmi *vc4_hdmi)
153  {
154 -       struct drm_encoder *encoder = &hdmi->encoder.base.base;
155 +       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
156         struct drm_device *drm = encoder->dev;
157         struct vc4_dev *vc4 = to_vc4_dev(drm);
158 -       u32 hsm_clock = clk_get_rate(hdmi->hsm_clock);
159 +       u32 hsm_clock = clk_get_rate(vc4_hdmi->hsm_clock);
160         unsigned long n, m;
161  
162 -       rational_best_approximation(hsm_clock, hdmi->audio.samplerate,
163 +       rational_best_approximation(hsm_clock, vc4_hdmi->audio.samplerate,
164                                     VC4_HD_MAI_SMP_N_MASK >>
165                                     VC4_HD_MAI_SMP_N_SHIFT,
166                                     (VC4_HD_MAI_SMP_M_MASK >>
167 @@ -650,14 +650,14 @@ static void vc4_hdmi_audio_set_mai_clock
168                  VC4_SET_FIELD(m - 1, VC4_HD_MAI_SMP_M));
169  }
170  
171 -static void vc4_hdmi_set_n_cts(struct vc4_hdmi *hdmi)
172 +static void vc4_hdmi_set_n_cts(struct vc4_hdmi *vc4_hdmi)
173  {
174 -       struct drm_encoder *encoder = &hdmi->encoder.base.base;
175 +       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
176         struct drm_crtc *crtc = encoder->crtc;
177         struct drm_device *drm = encoder->dev;
178         struct vc4_dev *vc4 = to_vc4_dev(drm);
179         const struct drm_display_mode *mode = &crtc->state->adjusted_mode;
180 -       u32 samplerate = hdmi->audio.samplerate;
181 +       u32 samplerate = vc4_hdmi->audio.samplerate;
182         u32 n, cts;
183         u64 tmp;
184  
185 @@ -689,16 +689,16 @@ static inline struct vc4_hdmi *dai_to_hd
186  static int vc4_hdmi_audio_startup(struct snd_pcm_substream *substream,
187                                   struct snd_soc_dai *dai)
188  {
189 -       struct vc4_hdmi *hdmi = dai_to_hdmi(dai);
190 -       struct drm_encoder *encoder = &hdmi->encoder.base.base;
191 -       struct drm_connector *connector = &hdmi->connector.base;
192 +       struct vc4_hdmi *vc4_hdmi = dai_to_hdmi(dai);
193 +       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
194 +       struct drm_connector *connector = &vc4_hdmi->connector.base;
195         struct vc4_dev *vc4 = to_vc4_dev(encoder->dev);
196         int ret;
197  
198 -       if (hdmi->audio.substream && hdmi->audio.substream != substream)
199 +       if (vc4_hdmi->audio.substream && vc4_hdmi->audio.substream != substream)
200                 return -EINVAL;
201  
202 -       hdmi->audio.substream = substream;
203 +       vc4_hdmi->audio.substream = substream;
204  
205         /*
206          * If the HDMI encoder hasn't probed, or the encoder is
207 @@ -720,11 +720,11 @@ static int vc4_hdmi_audio_set_fmt(struct
208         return 0;
209  }
210  
211 -static void vc4_hdmi_audio_reset(struct vc4_hdmi *hdmi)
212 +static void vc4_hdmi_audio_reset(struct vc4_hdmi *vc4_hdmi)
213  {
214 -       struct drm_encoder *encoder = &hdmi->encoder.base.base;
215 +       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
216         struct drm_device *drm = encoder->dev;
217 -       struct device *dev = &hdmi->pdev->dev;
218 +       struct device *dev = &vc4_hdmi->pdev->dev;
219         struct vc4_dev *vc4 = to_vc4_dev(drm);
220         int ret;
221  
222 @@ -740,14 +740,14 @@ static void vc4_hdmi_audio_reset(struct
223  static void vc4_hdmi_audio_shutdown(struct snd_pcm_substream *substream,
224                                     struct snd_soc_dai *dai)
225  {
226 -       struct vc4_hdmi *hdmi = dai_to_hdmi(dai);
227 +       struct vc4_hdmi *vc4_hdmi = dai_to_hdmi(dai);
228  
229 -       if (substream != hdmi->audio.substream)
230 +       if (substream != vc4_hdmi->audio.substream)
231                 return;
232  
233 -       vc4_hdmi_audio_reset(hdmi);
234 +       vc4_hdmi_audio_reset(vc4_hdmi);
235  
236 -       hdmi->audio.substream = NULL;
237 +       vc4_hdmi->audio.substream = NULL;
238  }
239  
240  /* HDMI audio codec callbacks */
241 @@ -755,23 +755,23 @@ static int vc4_hdmi_audio_hw_params(stru
242                                     struct snd_pcm_hw_params *params,
243                                     struct snd_soc_dai *dai)
244  {
245 -       struct vc4_hdmi *hdmi = dai_to_hdmi(dai);
246 -       struct drm_encoder *encoder = &hdmi->encoder.base.base;
247 +       struct vc4_hdmi *vc4_hdmi = dai_to_hdmi(dai);
248 +       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
249         struct drm_device *drm = encoder->dev;
250 -       struct device *dev = &hdmi->pdev->dev;
251 +       struct device *dev = &vc4_hdmi->pdev->dev;
252         struct vc4_dev *vc4 = to_vc4_dev(drm);
253         u32 audio_packet_config, channel_mask;
254         u32 channel_map, i;
255  
256 -       if (substream != hdmi->audio.substream)
257 +       if (substream != vc4_hdmi->audio.substream)
258                 return -EINVAL;
259  
260         dev_dbg(dev, "%s: %u Hz, %d bit, %d channels\n", __func__,
261                 params_rate(params), params_width(params),
262                 params_channels(params));
263  
264 -       hdmi->audio.channels = params_channels(params);
265 -       hdmi->audio.samplerate = params_rate(params);
266 +       vc4_hdmi->audio.channels = params_channels(params);
267 +       vc4_hdmi->audio.samplerate = params_rate(params);
268  
269         HD_WRITE(VC4_HD_MAI_CTL,
270                  VC4_HD_MAI_CTL_RESET |
271 @@ -780,23 +780,23 @@ static int vc4_hdmi_audio_hw_params(stru
272                  VC4_HD_MAI_CTL_ERRORE |
273                  VC4_HD_MAI_CTL_ERRORF);
274  
275 -       vc4_hdmi_audio_set_mai_clock(hdmi);
276 +       vc4_hdmi_audio_set_mai_clock(vc4_hdmi);
277  
278         audio_packet_config =
279                 VC4_HDMI_AUDIO_PACKET_ZERO_DATA_ON_SAMPLE_FLAT |
280                 VC4_HDMI_AUDIO_PACKET_ZERO_DATA_ON_INACTIVE_CHANNELS |
281                 VC4_SET_FIELD(0xf, VC4_HDMI_AUDIO_PACKET_B_FRAME_IDENTIFIER);
282  
283 -       channel_mask = GENMASK(hdmi->audio.channels - 1, 0);
284 +       channel_mask = GENMASK(vc4_hdmi->audio.channels - 1, 0);
285         audio_packet_config |= VC4_SET_FIELD(channel_mask,
286                                              VC4_HDMI_AUDIO_PACKET_CEA_MASK);
287  
288         /* Set the MAI threshold.  This logic mimics the firmware's. */
289 -       if (hdmi->audio.samplerate > 96000) {
290 +       if (vc4_hdmi->audio.samplerate > 96000) {
291                 HD_WRITE(VC4_HD_MAI_THR,
292                          VC4_SET_FIELD(0x12, VC4_HD_MAI_THR_DREQHIGH) |
293                          VC4_SET_FIELD(0x12, VC4_HD_MAI_THR_DREQLOW));
294 -       } else if (hdmi->audio.samplerate > 48000) {
295 +       } else if (vc4_hdmi->audio.samplerate > 48000) {
296                 HD_WRITE(VC4_HD_MAI_THR,
297                          VC4_SET_FIELD(0x14, VC4_HD_MAI_THR_DREQHIGH) |
298                          VC4_SET_FIELD(0x12, VC4_HD_MAI_THR_DREQLOW));
299 @@ -820,7 +820,7 @@ static int vc4_hdmi_audio_hw_params(stru
300  
301         HDMI_WRITE(VC4_HDMI_MAI_CHANNEL_MAP, channel_map);
302         HDMI_WRITE(VC4_HDMI_AUDIO_PACKET_CONFIG, audio_packet_config);
303 -       vc4_hdmi_set_n_cts(hdmi);
304 +       vc4_hdmi_set_n_cts(vc4_hdmi);
305  
306         return 0;
307  }
308 @@ -828,8 +828,8 @@ static int vc4_hdmi_audio_hw_params(stru
309  static int vc4_hdmi_audio_trigger(struct snd_pcm_substream *substream, int cmd,
310                                   struct snd_soc_dai *dai)
311  {
312 -       struct vc4_hdmi *hdmi = dai_to_hdmi(dai);
313 -       struct drm_encoder *encoder = &hdmi->encoder.base.base;
314 +       struct vc4_hdmi *vc4_hdmi = dai_to_hdmi(dai);
315 +       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
316         struct drm_device *drm = encoder->dev;
317         struct vc4_dev *vc4 = to_vc4_dev(drm);
318  
319 @@ -840,7 +840,7 @@ static int vc4_hdmi_audio_trigger(struct
320                            HDMI_READ(VC4_HDMI_TX_PHY_CTL0) &
321                            ~VC4_HDMI_TX_PHY_RNG_PWRDN);
322                 HD_WRITE(VC4_HD_MAI_CTL,
323 -                        VC4_SET_FIELD(hdmi->audio.channels,
324 +                        VC4_SET_FIELD(vc4_hdmi->audio.channels,
325                                        VC4_HD_MAI_CTL_CHNUM) |
326                          VC4_HD_MAI_CTL_ENABLE);
327                 break;
328 @@ -872,8 +872,8 @@ static int vc4_hdmi_audio_eld_ctl_info(s
329                                        struct snd_ctl_elem_info *uinfo)
330  {
331         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
332 -       struct vc4_hdmi *hdmi = snd_component_to_hdmi(component);
333 -       struct drm_connector *connector = &hdmi->connector.base;
334 +       struct vc4_hdmi *vc4_hdmi = snd_component_to_hdmi(component);
335 +       struct drm_connector *connector = &vc4_hdmi->connector.base;
336  
337         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
338         uinfo->count = sizeof(connector->eld);
339 @@ -885,8 +885,8 @@ static int vc4_hdmi_audio_eld_ctl_get(st
340                                       struct snd_ctl_elem_value *ucontrol)
341  {
342         struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
343 -       struct vc4_hdmi *hdmi = snd_component_to_hdmi(component);
344 -       struct drm_connector *connector = &hdmi->connector.base;
345 +       struct vc4_hdmi *vc4_hdmi = snd_component_to_hdmi(component);
346 +       struct drm_connector *connector = &vc4_hdmi->connector.base;
347  
348         memcpy(ucontrol->value.bytes.data, connector->eld,
349                sizeof(connector->eld));
350 @@ -954,9 +954,9 @@ static const struct snd_soc_component_dr
351  
352  static int vc4_hdmi_audio_cpu_dai_probe(struct snd_soc_dai *dai)
353  {
354 -       struct vc4_hdmi *hdmi = dai_to_hdmi(dai);
355 +       struct vc4_hdmi *vc4_hdmi = dai_to_hdmi(dai);
356  
357 -       snd_soc_dai_init_dma_data(dai, &hdmi->audio.dma_data, NULL);
358 +       snd_soc_dai_init_dma_data(dai, &vc4_hdmi->audio.dma_data, NULL);
359  
360         return 0;
361  }
362 @@ -982,11 +982,11 @@ static const struct snd_dmaengine_pcm_co
363         .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
364  };
365  
366 -static int vc4_hdmi_audio_init(struct vc4_hdmi *hdmi)
367 +static int vc4_hdmi_audio_init(struct vc4_hdmi *vc4_hdmi)
368  {
369 -       struct snd_soc_dai_link *dai_link = &hdmi->audio.link;
370 -       struct snd_soc_card *card = &hdmi->audio.card;
371 -       struct device *dev = &hdmi->pdev->dev;
372 +       struct snd_soc_dai_link *dai_link = &vc4_hdmi->audio.link;
373 +       struct snd_soc_card *card = &vc4_hdmi->audio.card;
374 +       struct device *dev = &vc4_hdmi->pdev->dev;
375         const __be32 *addr;
376         int ret;
377         int len;
378 @@ -1006,9 +1006,9 @@ static int vc4_hdmi_audio_init(struct vc
379          * This VC/MMU should probably be exposed to avoid this kind of hacks.
380          */
381         addr = of_get_address(dev->of_node, 1, NULL, NULL);
382 -       hdmi->audio.dma_data.addr = be32_to_cpup(addr) + VC4_HD_MAI_DATA;
383 -       hdmi->audio.dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
384 -       hdmi->audio.dma_data.maxburst = 2;
385 +       vc4_hdmi->audio.dma_data.addr = be32_to_cpup(addr) + VC4_HD_MAI_DATA;
386 +       vc4_hdmi->audio.dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
387 +       vc4_hdmi->audio.dma_data.maxburst = 2;
388  
389         ret = devm_snd_dmaengine_pcm_register(dev, &pcm_conf, 0);
390         if (ret) {
391 @@ -1031,9 +1031,9 @@ static int vc4_hdmi_audio_init(struct vc
392                 return ret;
393         }
394  
395 -       dai_link->cpus          = &hdmi->audio.cpu;
396 -       dai_link->codecs        = &hdmi->audio.codec;
397 -       dai_link->platforms     = &hdmi->audio.platform;
398 +       dai_link->cpus          = &vc4_hdmi->audio.cpu;
399 +       dai_link->codecs        = &vc4_hdmi->audio.codec;
400 +       dai_link->platforms     = &vc4_hdmi->audio.platform;
401  
402         dai_link->num_cpus      = 1;
403         dai_link->num_codecs    = 1;
404 @@ -1058,7 +1058,7 @@ static int vc4_hdmi_audio_init(struct vc
405          * now stored in card->drvdata and should be retrieved with
406          * snd_soc_card_get_drvdata() if needed.
407          */
408 -       snd_soc_card_set_drvdata(card, hdmi);
409 +       snd_soc_card_set_drvdata(card, vc4_hdmi);
410         ret = devm_snd_soc_register_card(dev, card);
411         if (ret)
412                 dev_err(dev, "Could not register sound card: %d\n", ret);
413 @@ -1071,20 +1071,21 @@ static int vc4_hdmi_audio_init(struct vc
414  static irqreturn_t vc4_cec_irq_handler_thread(int irq, void *priv)
415  {
416         struct vc4_dev *vc4 = priv;
417 -       struct vc4_hdmi *hdmi = vc4->hdmi;
418 +       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
419  
420 -       if (hdmi->cec_irq_was_rx) {
421 -               if (hdmi->cec_rx_msg.len)
422 -                       cec_received_msg(hdmi->cec_adap, &hdmi->cec_rx_msg);
423 -       } else if (hdmi->cec_tx_ok) {
424 -               cec_transmit_done(hdmi->cec_adap, CEC_TX_STATUS_OK,
425 +       if (vc4_hdmi->cec_irq_was_rx) {
426 +               if (vc4_hdmi->cec_rx_msg.len)
427 +                       cec_received_msg(vc4_hdmi->cec_adap,
428 +                                        &vc4_hdmi->cec_rx_msg);
429 +       } else if (vc4_hdmi->cec_tx_ok) {
430 +               cec_transmit_done(vc4_hdmi->cec_adap, CEC_TX_STATUS_OK,
431                                   0, 0, 0, 0);
432         } else {
433                 /*
434                  * This CEC implementation makes 1 retry, so if we
435                  * get a NACK, then that means it made 2 attempts.
436                  */
437 -               cec_transmit_done(hdmi->cec_adap, CEC_TX_STATUS_NACK,
438 +               cec_transmit_done(vc4_hdmi->cec_adap, CEC_TX_STATUS_NACK,
439                                   0, 2, 0, 0);
440         }
441         return IRQ_HANDLED;
442 @@ -1110,23 +1111,23 @@ static void vc4_cec_read_msg(struct vc4_
443  static irqreturn_t vc4_cec_irq_handler(int irq, void *priv)
444  {
445         struct vc4_dev *vc4 = priv;
446 -       struct vc4_hdmi *hdmi = vc4->hdmi;
447 +       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
448         u32 stat = HDMI_READ(VC4_HDMI_CPU_STATUS);
449         u32 cntrl1, cntrl5;
450  
451         if (!(stat & VC4_HDMI_CPU_CEC))
452                 return IRQ_NONE;
453 -       hdmi->cec_rx_msg.len = 0;
454 +       vc4_hdmi->cec_rx_msg.len = 0;
455         cntrl1 = HDMI_READ(VC4_HDMI_CEC_CNTRL_1);
456         cntrl5 = HDMI_READ(VC4_HDMI_CEC_CNTRL_5);
457 -       hdmi->cec_irq_was_rx = cntrl5 & VC4_HDMI_CEC_RX_CEC_INT;
458 -       if (hdmi->cec_irq_was_rx) {
459 +       vc4_hdmi->cec_irq_was_rx = cntrl5 & VC4_HDMI_CEC_RX_CEC_INT;
460 +       if (vc4_hdmi->cec_irq_was_rx) {
461                 vc4_cec_read_msg(vc4, cntrl1);
462                 cntrl1 |= VC4_HDMI_CEC_CLEAR_RECEIVE_OFF;
463                 HDMI_WRITE(VC4_HDMI_CEC_CNTRL_1, cntrl1);
464                 cntrl1 &= ~VC4_HDMI_CEC_CLEAR_RECEIVE_OFF;
465         } else {
466 -               hdmi->cec_tx_ok = cntrl1 & VC4_HDMI_CEC_TX_STATUS_GOOD;
467 +               vc4_hdmi->cec_tx_ok = cntrl1 & VC4_HDMI_CEC_TX_STATUS_GOOD;
468                 cntrl1 &= ~VC4_HDMI_CEC_START_XMIT_BEGIN;
469         }
470         HDMI_WRITE(VC4_HDMI_CEC_CNTRL_1, cntrl1);
471 @@ -1228,44 +1229,44 @@ static int vc4_hdmi_bind(struct device *
472         struct platform_device *pdev = to_platform_device(dev);
473         struct drm_device *drm = dev_get_drvdata(master);
474         struct vc4_dev *vc4 = drm->dev_private;
475 -       struct vc4_hdmi *hdmi;
476 +       struct vc4_hdmi *vc4_hdmi;
477         struct drm_encoder *encoder;
478         struct device_node *ddc_node;
479         u32 value;
480         int ret;
481  
482 -       hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL);
483 -       if (!hdmi)
484 +       vc4_hdmi = devm_kzalloc(dev, sizeof(*vc4_hdmi), GFP_KERNEL);
485 +       if (!vc4_hdmi)
486                 return -ENOMEM;
487  
488 -       hdmi->pdev = pdev;
489 -       encoder = &hdmi->encoder.base.base;
490 +       vc4_hdmi->pdev = pdev;
491 +       encoder = &vc4_hdmi->encoder.base.base;
492         encoder->base.type = VC4_ENCODER_TYPE_HDMI0;
493  
494 -       hdmi->hdmicore_regs = vc4_ioremap_regs(pdev, 0);
495 -       if (IS_ERR(hdmi->hdmicore_regs))
496 -               return PTR_ERR(hdmi->hdmicore_regs);
497 -
498 -       hdmi->hd_regs = vc4_ioremap_regs(pdev, 1);
499 -       if (IS_ERR(hdmi->hd_regs))
500 -               return PTR_ERR(hdmi->hd_regs);
501 -
502 -       hdmi->hdmi_regset.base = hdmi->hdmicore_regs;
503 -       hdmi->hdmi_regset.regs = hdmi_regs;
504 -       hdmi->hdmi_regset.nregs = ARRAY_SIZE(hdmi_regs);
505 -       hdmi->hd_regset.base = hdmi->hd_regs;
506 -       hdmi->hd_regset.regs = hd_regs;
507 -       hdmi->hd_regset.nregs = ARRAY_SIZE(hd_regs);
508 +       vc4_hdmi->hdmicore_regs = vc4_ioremap_regs(pdev, 0);
509 +       if (IS_ERR(vc4_hdmi->hdmicore_regs))
510 +               return PTR_ERR(vc4_hdmi->hdmicore_regs);
511 +
512 +       vc4_hdmi->hd_regs = vc4_ioremap_regs(pdev, 1);
513 +       if (IS_ERR(vc4_hdmi->hd_regs))
514 +               return PTR_ERR(vc4_hdmi->hd_regs);
515 +
516 +       vc4_hdmi->hdmi_regset.base = vc4_hdmi->hdmicore_regs;
517 +       vc4_hdmi->hdmi_regset.regs = hdmi_regs;
518 +       vc4_hdmi->hdmi_regset.nregs = ARRAY_SIZE(hdmi_regs);
519 +       vc4_hdmi->hd_regset.base = vc4_hdmi->hd_regs;
520 +       vc4_hdmi->hd_regset.regs = hd_regs;
521 +       vc4_hdmi->hd_regset.nregs = ARRAY_SIZE(hd_regs);
522  
523 -       hdmi->pixel_clock = devm_clk_get(dev, "pixel");
524 -       if (IS_ERR(hdmi->pixel_clock)) {
525 +       vc4_hdmi->pixel_clock = devm_clk_get(dev, "pixel");
526 +       if (IS_ERR(vc4_hdmi->pixel_clock)) {
527                 DRM_ERROR("Failed to get pixel clock\n");
528 -               return PTR_ERR(hdmi->pixel_clock);
529 +               return PTR_ERR(vc4_hdmi->pixel_clock);
530         }
531 -       hdmi->hsm_clock = devm_clk_get(dev, "hdmi");
532 -       if (IS_ERR(hdmi->hsm_clock)) {
533 +       vc4_hdmi->hsm_clock = devm_clk_get(dev, "hdmi");
534 +       if (IS_ERR(vc4_hdmi->hsm_clock)) {
535                 DRM_ERROR("Failed to get HDMI state machine clock\n");
536 -               return PTR_ERR(hdmi->hsm_clock);
537 +               return PTR_ERR(vc4_hdmi->hsm_clock);
538         }
539  
540         ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
541 @@ -1274,9 +1275,9 @@ static int vc4_hdmi_bind(struct device *
542                 return -ENODEV;
543         }
544  
545 -       hdmi->ddc = of_find_i2c_adapter_by_node(ddc_node);
546 +       vc4_hdmi->ddc = of_find_i2c_adapter_by_node(ddc_node);
547         of_node_put(ddc_node);
548 -       if (!hdmi->ddc) {
549 +       if (!vc4_hdmi->ddc) {
550                 DRM_DEBUG("Failed to get ddc i2c adapter by node\n");
551                 return -EPROBE_DEFER;
552         }
553 @@ -1285,13 +1286,13 @@ static int vc4_hdmi_bind(struct device *
554          * needs to be a bit higher than the pixel clock rate
555          * (generally 148.5Mhz).
556          */
557 -       ret = clk_set_rate(hdmi->hsm_clock, HSM_CLOCK_FREQ);
558 +       ret = clk_set_rate(vc4_hdmi->hsm_clock, HSM_CLOCK_FREQ);
559         if (ret) {
560                 DRM_ERROR("Failed to set HSM clock rate: %d\n", ret);
561                 goto err_put_i2c;
562         }
563  
564 -       ret = clk_prepare_enable(hdmi->hsm_clock);
565 +       ret = clk_prepare_enable(vc4_hdmi->hsm_clock);
566         if (ret) {
567                 DRM_ERROR("Failed to turn on HDMI state machine clock: %d\n",
568                           ret);
569 @@ -1304,18 +1305,18 @@ static int vc4_hdmi_bind(struct device *
570         if (of_find_property(dev->of_node, "hpd-gpios", &value)) {
571                 enum of_gpio_flags hpd_gpio_flags;
572  
573 -               hdmi->hpd_gpio = of_get_named_gpio_flags(dev->of_node,
574 +               vc4_hdmi->hpd_gpio = of_get_named_gpio_flags(dev->of_node,
575                                                          "hpd-gpios", 0,
576                                                          &hpd_gpio_flags);
577 -               if (hdmi->hpd_gpio < 0) {
578 -                       ret = hdmi->hpd_gpio;
579 +               if (vc4_hdmi->hpd_gpio < 0) {
580 +                       ret = vc4_hdmi->hpd_gpio;
581                         goto err_unprepare_hsm;
582                 }
583  
584 -               hdmi->hpd_active_low = hpd_gpio_flags & OF_GPIO_ACTIVE_LOW;
585 +               vc4_hdmi->hpd_active_low = hpd_gpio_flags & OF_GPIO_ACTIVE_LOW;
586         }
587  
588 -       vc4->hdmi = hdmi;
589 +       vc4->hdmi = vc4_hdmi;
590  
591         /* HDMI core must be enabled. */
592         if (!(HD_READ(VC4_HD_M_CTL) & VC4_HD_M_ENABLE)) {
593 @@ -1331,21 +1332,21 @@ static int vc4_hdmi_bind(struct device *
594                          DRM_MODE_ENCODER_TMDS, NULL);
595         drm_encoder_helper_add(encoder, &vc4_hdmi_encoder_helper_funcs);
596  
597 -       ret = vc4_hdmi_connector_init(drm, hdmi);
598 +       ret = vc4_hdmi_connector_init(drm, vc4_hdmi);
599         if (ret)
600                 goto err_destroy_encoder;
601  
602  #ifdef CONFIG_DRM_VC4_HDMI_CEC
603 -       hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops,
604 +       vc4_hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops,
605                                               vc4, "vc4",
606                                               CEC_CAP_DEFAULTS |
607                                               CEC_CAP_CONNECTOR_INFO, 1);
608 -       ret = PTR_ERR_OR_ZERO(hdmi->cec_adap);
609 +       ret = PTR_ERR_OR_ZERO(vc4_hdmi->cec_adap);
610         if (ret < 0)
611                 goto err_destroy_conn;
612  
613 -       cec_fill_conn_info_from_drm(&conn_info, &hdmi->connector.base);
614 -       cec_s_conn_info(hdmi->cec_adap, &conn_info);
615 +       cec_fill_conn_info_from_drm(&conn_info, &vc4_hdmi->connector.base);
616 +       cec_s_conn_info(vc4_hdmi->cec_adap, &conn_info);
617  
618         HDMI_WRITE(VC4_HDMI_CPU_MASK_SET, 0xffffffff);
619         value = HDMI_READ(VC4_HDMI_CEC_CNTRL_1);
620 @@ -1364,32 +1365,32 @@ static int vc4_hdmi_bind(struct device *
621                                         "vc4 hdmi cec", vc4);
622         if (ret)
623                 goto err_delete_cec_adap;
624 -       ret = cec_register_adapter(hdmi->cec_adap, dev);
625 +       ret = cec_register_adapter(vc4_hdmi->cec_adap, dev);
626         if (ret < 0)
627                 goto err_delete_cec_adap;
628  #endif
629  
630 -       ret = vc4_hdmi_audio_init(hdmi);
631 +       ret = vc4_hdmi_audio_init(vc4_hdmi);
632         if (ret)
633                 goto err_destroy_encoder;
634  
635 -       vc4_debugfs_add_file(drm, "hdmi_regs", vc4_hdmi_debugfs_regs, hdmi);
636 +       vc4_debugfs_add_file(drm, "hdmi_regs", vc4_hdmi_debugfs_regs, vc4_hdmi);
637  
638         return 0;
639  
640  #ifdef CONFIG_DRM_VC4_HDMI_CEC
641  err_delete_cec_adap:
642 -       cec_delete_adapter(hdmi->cec_adap);
643 +       cec_delete_adapter(vc4_hdmi->cec_adap);
644  err_destroy_conn:
645 -       vc4_hdmi_connector_destroy(&hdmi->connector.base);
646 +       vc4_hdmi_connector_destroy(&vc4_hdmi->connector.base);
647  #endif
648  err_destroy_encoder:
649         vc4_hdmi_encoder_destroy(encoder);
650  err_unprepare_hsm:
651 -       clk_disable_unprepare(hdmi->hsm_clock);
652 +       clk_disable_unprepare(vc4_hdmi->hsm_clock);
653         pm_runtime_disable(dev);
654  err_put_i2c:
655 -       put_device(&hdmi->ddc->dev);
656 +       put_device(&vc4_hdmi->ddc->dev);
657  
658         return ret;
659  }
660 @@ -1399,16 +1400,16 @@ static void vc4_hdmi_unbind(struct devic
661  {
662         struct drm_device *drm = dev_get_drvdata(master);
663         struct vc4_dev *vc4 = drm->dev_private;
664 -       struct vc4_hdmi *hdmi = vc4->hdmi;
665 +       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
666  
667 -       cec_unregister_adapter(hdmi->cec_adap);
668 -       vc4_hdmi_connector_destroy(&hdmi->connector.base);
669 -       vc4_hdmi_encoder_destroy(&hdmi->encoder.base.base);
670 +       cec_unregister_adapter(vc4_hdmi->cec_adap);
671 +       vc4_hdmi_connector_destroy(&vc4_hdmi->connector.base);
672 +       vc4_hdmi_encoder_destroy(&vc4_hdmi->encoder.base.base);
673  
674 -       clk_disable_unprepare(hdmi->hsm_clock);
675 +       clk_disable_unprepare(vc4_hdmi->hsm_clock);
676         pm_runtime_disable(dev);
677  
678 -       put_device(&hdmi->ddc->dev);
679 +       put_device(&vc4_hdmi->ddc->dev);
680  
681         vc4->hdmi = NULL;
682  }