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SubjectRe: [PATCH v2 1/7] drm: msm: Cleanup drm_display_mode print str
Hi Shayenne,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on robclark/msm-next]
[also build test ERROR on v4.20-rc7 next-20181221]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Shayenne-Moura/drm-Remove-drm_mode_object-dependency-from-drm_display_mode/20181221-161831
base: git://people.freedesktop.org/~robclark/linux msm-next
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=arm64

All error/warnings (new ones prefixed by >>):

In file included from include/drm/drm_mm.h:49:0,
from include/drm/drmP.h:72,
from include/drm/drm_modeset_helper.h:26,
from include/drm/drm_crtc_helper.h:44,
from drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:22:
drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c: In function 'mdp5_crtc_mode_set_nofb':
>> drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:387:23: error: expected ')' before 'DMR_MODE_FMT'
DBG("%s: set mode: " DMR_MODE_FMT, crtc->name, DRM_MODE_ARG(mode));
^
include/drm/drm_print.h:357:25: note: in definition of macro 'DRM_DEBUG_DRIVER'
drm_dbg(DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
^~~
>> drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:387:2: note: in expansion of macro 'DBG'
DBG("%s: set mode: " DMR_MODE_FMT, crtc->name, DRM_MODE_ARG(mode));
^~~
>> drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:387:6: warning: format '%s' expects a matching 'char *' argument [-Wformat=]
DBG("%s: set mode: " DMR_MODE_FMT, crtc->name, DRM_MODE_ARG(mode));
^
include/drm/drm_print.h:357:25: note: in definition of macro 'DRM_DEBUG_DRIVER'
drm_dbg(DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
^~~
>> drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c:387:2: note: in expansion of macro 'DBG'
DBG("%s: set mode: " DMR_MODE_FMT, crtc->name, DRM_MODE_ARG(mode));
^~~
--
In file included from include/drm/drm_crtc.h:40:0,
from drivers/gpu/drm/msm/disp/mdp4/mdp4_dsi_encoder.c:20:
drivers/gpu/drm/msm/disp/mdp4/mdp4_dsi_encoder.c: In function 'mdp4_dsi_encoder_mode_set':
>> include/drm/drm_modes.h:439:4: error: expected expression before ')' token
(m)->base.id, (m)->name, (m)->vrefresh, (m)->clock, \
^
>> include/drm/drm_print.h:357:32: note: in expansion of macro 'DRM_MODE_ARG'
drm_dbg(DRM_UT_DRIVER, fmt, ##__VA_ARGS__)
^~~~~~~~~~~
>> drivers/gpu/drm/msm/msm_drv.h:433:23: note: in expansion of macro 'DRM_DEBUG_DRIVER'
#define DBG(fmt, ...) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__)
^~~~~~~~~~~~~~~~
>> drivers/gpu/drm/msm/disp/mdp4/mdp4_dsi_encoder.c:61:2: note: in expansion of macro 'DBG'
DBG("set mode: " DRM_MODE_FMT, DRM_MODE_ARG()):
^~~

vim +387 drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c

369
370 static void mdp5_crtc_mode_set_nofb(struct drm_crtc *crtc)
371 {
372 struct mdp5_crtc *mdp5_crtc = to_mdp5_crtc(crtc);
373 struct mdp5_crtc_state *mdp5_cstate = to_mdp5_crtc_state(crtc->state);
374 struct mdp5_kms *mdp5_kms = get_kms(crtc);
375 struct mdp5_hw_mixer *mixer = mdp5_cstate->pipeline.mixer;
376 struct mdp5_hw_mixer *r_mixer = mdp5_cstate->pipeline.r_mixer;
377 uint32_t lm = mixer->lm;
378 u32 mixer_width, val;
379 unsigned long flags;
380 struct drm_display_mode *mode;
381
382 if (WARN_ON(!crtc->state))
383 return;
384
385 mode = &crtc->state->adjusted_mode;
386
> 387 DBG("%s: set mode: " DMR_MODE_FMT, crtc->name, DRM_MODE_ARG(mode));
388
389 mixer_width = mode->hdisplay;
390 if (r_mixer)
391 mixer_width /= 2;
392
393 spin_lock_irqsave(&mdp5_crtc->lm_lock, flags);
394 mdp5_write(mdp5_kms, REG_MDP5_LM_OUT_SIZE(lm),
395 MDP5_LM_OUT_SIZE_WIDTH(mixer_width) |
396 MDP5_LM_OUT_SIZE_HEIGHT(mode->vdisplay));
397
398 /* Assign mixer to LEFT side in source split mode */
399 val = mdp5_read(mdp5_kms, REG_MDP5_LM_BLEND_COLOR_OUT(lm));
400 val &= ~MDP5_LM_BLEND_COLOR_OUT_SPLIT_LEFT_RIGHT;
401 mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_COLOR_OUT(lm), val);
402
403 if (r_mixer) {
404 u32 r_lm = r_mixer->lm;
405
406 mdp5_write(mdp5_kms, REG_MDP5_LM_OUT_SIZE(r_lm),
407 MDP5_LM_OUT_SIZE_WIDTH(mixer_width) |
408 MDP5_LM_OUT_SIZE_HEIGHT(mode->vdisplay));
409
410 /* Assign mixer to RIGHT side in source split mode */
411 val = mdp5_read(mdp5_kms, REG_MDP5_LM_BLEND_COLOR_OUT(r_lm));
412 val |= MDP5_LM_BLEND_COLOR_OUT_SPLIT_LEFT_RIGHT;
413 mdp5_write(mdp5_kms, REG_MDP5_LM_BLEND_COLOR_OUT(r_lm), val);
414 }
415
416 spin_unlock_irqrestore(&mdp5_crtc->lm_lock, flags);
417 }
418

---
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