11:56 p.m.
Hi Ville,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on drm-tip/drm-tip next-20211015]
[cannot apply to airlied/drm-next v5.15-rc5]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Ville-Syrjala/drm-i915-Move-PCH-...
base: git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-a005-20211014 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
#
https://github.com/0day-ci/linux/commit/7512167c38e587a77b2ea0f87e8c68fff...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Ville-Syrjala/drm-i915-Move-PCH-modeset-code-into-its-own-file/20211015-151850
git checkout 7512167c38e587a77b2ea0f87e8c68fff112804e
# save the attached .config to linux build tree
make W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
> drivers/gpu/drm/i915/display/intel_pch_display.c:437:6: warning:
no previous prototype for 'lpt_disable_pch_transcoder' [-Wmissing-prototypes]
437 | void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/lpt_disable_pch_transcoder +437 drivers/gpu/drm/i915/display/intel_pch_display.c
da423910ea9023 Ville Syrjälä 2021-10-15 436
da423910ea9023 Ville Syrjälä 2021-10-15 @437 void lpt_disable_pch_transcoder(struct
drm_i915_private *dev_priv)
da423910ea9023 Ville Syrjälä 2021-10-15 438 {
da423910ea9023 Ville Syrjälä 2021-10-15 439 u32 val;
da423910ea9023 Ville Syrjälä 2021-10-15 440
da423910ea9023 Ville Syrjälä 2021-10-15 441 val = intel_de_read(dev_priv,
LPT_TRANSCONF);
da423910ea9023 Ville Syrjälä 2021-10-15 442 val &= ~TRANS_ENABLE;
da423910ea9023 Ville Syrjälä 2021-10-15 443 intel_de_write(dev_priv, LPT_TRANSCONF,
val);
da423910ea9023 Ville Syrjälä 2021-10-15 444 /* wait for PCH transcoder off, transcoder
state */
da423910ea9023 Ville Syrjälä 2021-10-15 445 if (intel_de_wait_for_clear(dev_priv,
LPT_TRANSCONF,
da423910ea9023 Ville Syrjälä 2021-10-15 446 TRANS_STATE_ENABLE, 50))
da423910ea9023 Ville Syrjälä 2021-10-15 447 drm_err(&dev_priv->drm,
"Failed to disable PCH transcoder\n");
da423910ea9023 Ville Syrjälä 2021-10-15 448
da423910ea9023 Ville Syrjälä 2021-10-15 449 /* Workaround: clear timing override bit.
*/
da423910ea9023 Ville Syrjälä 2021-10-15 450 val = intel_de_read(dev_priv,
TRANS_CHICKEN2(PIPE_A));
da423910ea9023 Ville Syrjälä 2021-10-15 451 val &=
~TRANS_CHICKEN2_TIMING_OVERRIDE;
da423910ea9023 Ville Syrjälä 2021-10-15 452 intel_de_write(dev_priv,
TRANS_CHICKEN2(PIPE_A), val);
da423910ea9023 Ville Syrjälä 2021-10-15 453 }
da423910ea9023 Ville Syrjälä 2021-10-15 454
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org