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Message-ID: <202406012207.Yjbj56eg-lkp@intel.com>
Date: Sat, 1 Jun 2024 22:50:43 +0800
From: kernel test robot <lkp@...el.com>
To: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
Andrzej Hajda <andrzej.hajda@...el.com>,
Neil Armstrong <neil.armstrong@...aro.org>,
Robert Foss <rfoss@...nel.org>,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Jonas Karlman <jonas@...boo.se>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
Sandy Huang <hjc@...k-chips.com>,
Heiko Stübner <heiko@...ech.de>,
Andy Yan <andy.yan@...k-chips.com>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Mark Yao <markyao0591@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, dri-devel@...ts.freedesktop.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
kernel@...labora.com, Alexandre ARNOUD <aarnoud@...com>,
Luis de Arquer <ldearquer@...il.com>,
Algea Cao <algea.cao@...k-chips.com>
Subject: Re: [PATCH 14/14] drm/rockchip: dw_hdmi: Add basic RK3588 support
Hi Cristian,
kernel test robot noticed the following build errors:
[auto build test ERROR on 1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0]
url: https://github.com/intel-lab-lkp/linux/commits/Cristian-Ciocaltea/drm-bridge-dw-hdmi-Simplify-clock-handling/20240601-211531
base: 1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0
patch link: https://lore.kernel.org/r/20240601-b4-rk3588-bridge-upstream-v1-14-f6203753232b%40collabora.com
patch subject: [PATCH 14/14] drm/rockchip: dw_hdmi: Add basic RK3588 support
config: i386-buildonly-randconfig-002-20240601 (https://download.01.org/0day-ci/archive/20240601/202406012207.Yjbj56eg-lkp@intel.com/config)
compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240601/202406012207.Yjbj56eg-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406012207.Yjbj56eg-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c: In function 'rockchip_hdmi_parse_dt':
>> drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c:280:40: error: implicit declaration of function 'devm_gpiod_get_optional'; did you mean 'devm_clk_get_optional'? [-Werror=implicit-function-declaration]
280 | hdmi->qp_enable_gpio = devm_gpiod_get_optional(hdmi->dev, "enable",
| ^~~~~~~~~~~~~~~~~~~~~~~
| devm_clk_get_optional
>> drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c:281:64: error: 'GPIOD_OUT_HIGH' undeclared (first use in this function)
281 | GPIOD_OUT_HIGH);
| ^~~~~~~~~~~~~~
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c:281:64: note: each undeclared identifier is reported only once for each function it appears in
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c: In function 'dw_hdmi_rockchip_encoder_enable':
>> drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c:364:17: error: implicit declaration of function 'gpiod_set_value' [-Werror=implicit-function-declaration]
364 | gpiod_set_value(hdmi->qp_enable_gpio, 1);
| ^~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +280 drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
226
227 static int rockchip_hdmi_parse_dt(struct rockchip_hdmi *hdmi)
228 {
229 static const char * const qp_clk_names[] = {
230 "pclk", "hdp", "earc", "aud", "hclk_vo1",
231 };
232 struct device_node *np = hdmi->dev->of_node;
233 struct clk *qp_clk;
234 int ret, i;
235
236 hdmi->regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
237 if (IS_ERR(hdmi->regmap)) {
238 drm_err(hdmi, "Unable to get rockchip,grf\n");
239 return PTR_ERR(hdmi->regmap);
240 }
241
242 hdmi->ref_clk = devm_clk_get_optional_enabled(hdmi->dev, "ref");
243 if (!hdmi->ref_clk)
244 hdmi->ref_clk = devm_clk_get_optional_enabled(hdmi->dev, "vpll");
245
246 if (IS_ERR(hdmi->ref_clk)) {
247 ret = PTR_ERR(hdmi->ref_clk);
248 if (ret != -EPROBE_DEFER)
249 drm_err(hdmi, "failed to get reference clock\n");
250 return ret;
251 }
252
253 hdmi->grf_clk = devm_clk_get_optional(hdmi->dev, "grf");
254 if (IS_ERR(hdmi->grf_clk)) {
255 ret = PTR_ERR(hdmi->grf_clk);
256 if (ret != -EPROBE_DEFER)
257 drm_err(hdmi, "failed to get grf clock\n");
258 return ret;
259 }
260
261 if (hdmi->is_hdmi_qp) {
262 hdmi->vo1_regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,vo1_grf");
263 if (IS_ERR(hdmi->vo1_regmap)) {
264 drm_err(hdmi, "Unable to get rockchip,vo1_grf\n");
265 return PTR_ERR(hdmi->vo1_regmap);
266 }
267
268 for (i = 0; i < ARRAY_SIZE(qp_clk_names); i++) {
269 qp_clk = devm_clk_get_optional_enabled(hdmi->dev, qp_clk_names[i]);
270
271 if (IS_ERR(qp_clk)) {
272 ret = PTR_ERR(qp_clk);
273 if (ret != -EPROBE_DEFER)
274 drm_err(hdmi, "failed to get %s clock: %d\n",
275 qp_clk_names[i], ret);
276 return ret;
277 }
278 }
279
> 280 hdmi->qp_enable_gpio = devm_gpiod_get_optional(hdmi->dev, "enable",
> 281 GPIOD_OUT_HIGH);
282 if (IS_ERR(hdmi->qp_enable_gpio)) {
283 ret = PTR_ERR(hdmi->qp_enable_gpio);
284 drm_err(hdmi, "failed to request enable GPIO: %d\n", ret);
285 return ret;
286 }
287 }
288
289 ret = devm_regulator_get_enable(hdmi->dev, "avdd-0v9");
290 if (ret)
291 return ret;
292
293 ret = devm_regulator_get_enable(hdmi->dev, "avdd-1v8");
294
295 return ret;
296 }
297
298 static enum drm_mode_status
299 dw_hdmi_rockchip_mode_valid(struct dw_hdmi *dw_hdmi, void *data,
300 const struct drm_display_info *info,
301 const struct drm_display_mode *mode)
302 {
303 struct rockchip_hdmi *hdmi = data;
304 const struct dw_hdmi_mpll_config *mpll_cfg = rockchip_mpll_cfg;
305 int pclk = mode->clock * 1000;
306 bool exact_match = hdmi->plat_data->phy_force_vendor;
307 int i;
308
309 if (hdmi->ref_clk) {
310 int rpclk = clk_round_rate(hdmi->ref_clk, pclk);
311
312 if (abs(rpclk - pclk) > pclk / 1000)
313 return MODE_NOCLOCK;
314 }
315
316 for (i = 0; mpll_cfg[i].mpixelclock != (~0UL); i++) {
317 /*
318 * For vendor specific phys force an exact match of the pixelclock
319 * to preserve the original behaviour of the driver.
320 */
321 if (exact_match && pclk == mpll_cfg[i].mpixelclock)
322 return MODE_OK;
323 /*
324 * The Synopsys phy can work with pixelclocks up to the value given
325 * in the corresponding mpll_cfg entry.
326 */
327 if (!exact_match && pclk <= mpll_cfg[i].mpixelclock)
328 return MODE_OK;
329 }
330
331 return MODE_BAD;
332 }
333
334 static void dw_hdmi_rockchip_encoder_disable(struct drm_encoder *encoder)
335 {
336 }
337
338 static bool
339 dw_hdmi_rockchip_encoder_mode_fixup(struct drm_encoder *encoder,
340 const struct drm_display_mode *mode,
341 struct drm_display_mode *adj_mode)
342 {
343 return true;
344 }
345
346 static void dw_hdmi_rockchip_encoder_mode_set(struct drm_encoder *encoder,
347 struct drm_display_mode *mode,
348 struct drm_display_mode *adj_mode)
349 {
350 struct rockchip_hdmi *hdmi = to_rockchip_hdmi(encoder);
351
352 clk_set_rate(hdmi->ref_clk, adj_mode->clock * 1000);
353 }
354
355 static void dw_hdmi_rockchip_encoder_enable(struct drm_encoder *encoder)
356 {
357 struct rockchip_hdmi *hdmi = to_rockchip_hdmi(encoder);
358 struct drm_crtc *crtc = encoder->crtc;
359 u32 val;
360 int ret, rate;
361
362 if (hdmi->is_hdmi_qp) {
363 /* Unconditionally switch to TMDS as FRL is not yet supported */
> 364 gpiod_set_value(hdmi->qp_enable_gpio, 1);
365
366 if (crtc && crtc->state) {
367 clk_set_rate(hdmi->ref_clk,
368 crtc->state->adjusted_mode.crtc_clock * 1000);
369 /*
370 * FIXME: Temporary workaround to pass pixel clock rate
371 * to the PHY driver until phy_configure_opts_hdmi
372 * becomes available in the PHY API. See also the related
373 * comment in rk_hdptx_phy_power_on() from
374 * drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c
375 */
376 if (hdmi->phy) {
377 rate = crtc->state->mode.clock * 10;
378 phy_set_bus_width(hdmi->phy, rate);
379 drm_dbg(hdmi, "%s set bus_width=%u\n",
380 __func__, rate);
381 }
382 }
383 }
384
385 if (hdmi->chip_data->lcdsel_grf_reg < 0)
386 return;
387
388 ret = drm_of_encoder_active_endpoint_id(hdmi->dev->of_node, encoder);
389 if (ret)
390 val = hdmi->chip_data->lcdsel_lit;
391 else
392 val = hdmi->chip_data->lcdsel_big;
393
394 ret = clk_prepare_enable(hdmi->grf_clk);
395 if (ret < 0) {
396 drm_err(hdmi, "failed to enable grfclk %d\n", ret);
397 return;
398 }
399
400 ret = regmap_write(hdmi->regmap, hdmi->chip_data->lcdsel_grf_reg, val);
401 if (ret != 0)
402 drm_err(hdmi, "Could not write to GRF: %d\n", ret);
403
404 clk_disable_unprepare(hdmi->grf_clk);
405 drm_dbg(hdmi, "vop %s output to hdmi\n", ret ? "LIT" : "BIG");
406 }
407
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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