CC: [email protected] CC: [email protected] TO: Paul Cercueil <[email protected]> CC: Sam Ravnborg <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d992fe5318d8d7af9510b879439a3c7f283da442 commit: 33700f6f7d9f6b4e1e6df933ef7fd388889c662c drm/ingenic: Reset pixclock rate when parent clock rate changes date: 11 months ago :::::: branch date: 12 hours ago :::::: commit date: 11 months ago config: arm64-randconfig-m031-20210820 (attached as .config) compiler: aarch64-linux-gcc (GCC) 11.2.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: drivers/gpu/drm/ingenic/ingenic-drm-drv.c:157 ingenic_drm_update_pixclk() warn: inconsistent returns '&priv->clk_mutex'. vim +157 drivers/gpu/drm/ingenic/ingenic-drm-drv.c 33700f6f7d9f6b Paul Cercueil 2020-09-26 142 33700f6f7d9f6b Paul Cercueil 2020-09-26 143 static int ingenic_drm_update_pixclk(struct notifier_block *nb, 33700f6f7d9f6b Paul Cercueil 2020-09-26 144 unsigned long action, 33700f6f7d9f6b Paul Cercueil 2020-09-26 145 void *data) 33700f6f7d9f6b Paul Cercueil 2020-09-26 146 { 33700f6f7d9f6b Paul Cercueil 2020-09-26 147 struct ingenic_drm *priv = drm_nb_get_priv(nb); 33700f6f7d9f6b Paul Cercueil 2020-09-26 148 33700f6f7d9f6b Paul Cercueil 2020-09-26 149 switch (action) { 33700f6f7d9f6b Paul Cercueil 2020-09-26 150 case PRE_RATE_CHANGE: 33700f6f7d9f6b Paul Cercueil 2020-09-26 151 mutex_lock(&priv->clk_mutex); 33700f6f7d9f6b Paul Cercueil 2020-09-26 152 priv->update_clk_rate = true; 33700f6f7d9f6b Paul Cercueil 2020-09-26 153 drm_crtc_wait_one_vblank(&priv->crtc); 33700f6f7d9f6b Paul Cercueil 2020-09-26 154 return NOTIFY_OK; 33700f6f7d9f6b Paul Cercueil 2020-09-26 155 default: 33700f6f7d9f6b Paul Cercueil 2020-09-26 156 mutex_unlock(&priv->clk_mutex); 33700f6f7d9f6b Paul Cercueil 2020-09-26 @157 return NOTIFY_OK; 33700f6f7d9f6b Paul Cercueil 2020-09-26 158 } 33700f6f7d9f6b Paul Cercueil 2020-09-26 159 } 33700f6f7d9f6b Paul Cercueil 2020-09-26 160 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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