On Thu, Dec 19, 2024 at 10:52:32AM +0800, Yongbang Shi wrote:
> Does everyone have a question with the patch?
-:225: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'reg_value' - possible side-effects?
#225: FILE: drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h:23:
+#define dp_field_modify(reg_value, mask, val) \
+ do { \
+ (reg_value) &= ~(mask); \
+ (reg_value) |= FIELD_PREP(mask, val); \
+ } while (0) \
+
-:225: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'mask' - possible side-effects?
#225: FILE: drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h:23:
+#define dp_field_modify(reg_value, mask, val) \
+ do { \
+ (reg_value) &= ~(mask); \
+ (reg_value) |= FIELD_PREP(mask, val); \
+ } while (0) \
+
-:277: WARNING:FROM_SIGN_OFF_MISMATCH: From:/Signed-off-by: email name mismatch: 'From: baihan li <libaihan@xxxxxxxxxx>' != 'Signed-off-by: Baihan Li <libaihan@xxxxxxxxxx>'
total: 0 errors, 2 warnings, 2 checks, 239 lines checked
1c3faaf4e729 drm/hisilicon/hibmc: add dp link moduel in hibmc drivers
-:70: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#70:
new file mode 100644
-:435: WARNING:FROM_SIGN_OFF_MISMATCH: From:/Signed-off-by: email name mismatch: 'From: baihan li <libaihan@xxxxxxxxxx>' != 'Signed-off-by: Baihan Li <libaihan@xxxxxxxxxx>'
total: 0 errors, 2 warnings, 0 checks, 399 lines checked
70bf7b765c82 drm/hisilicon/hibmc: add dp hw moduel in hibmc driver
-:28: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#28:
new file mode 100644
-:371: WARNING:FROM_SIGN_OFF_MISMATCH: From:/Signed-off-by: email name mismatch: 'From: baihan li <libaihan@xxxxxxxxxx>' != 'Signed-off-by: Baihan Li <libaihan@xxxxxxxxxx>'
total: 0 errors, 2 warnings, 0 checks, 327 lines checked
24d6be2577d8 drm/hisilicon/hibmc: refactored struct hibmc_drm_private
-:188: WARNING:FROM_SIGN_OFF_MISMATCH: From:/Signed-off-by: email name mismatch: 'From: baihan li <libaihan@xxxxxxxxxx>' != 'Signed-off-by: Baihan Li <libaihan@xxxxxxxxxx>'
total: 0 errors, 1 warnings, 0 checks, 151 lines checked
9a74395d14e2 (HEAD -> drm-misc-next) drm/hisilicon/hibmc: add dp module in hibmc
-:30: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#30:
new file mode 100644
-:219: WARNING:FROM_SIGN_OFF_MISMATCH: From:/Signed-off-by: email name mismatch: 'From: baihan li <libaihan@xxxxxxxxxx>' != 'Signed-off-by: Baihan Li <libaihan@xxxxxxxxxx>'
>
>
> > From: baihan li <libaihan@xxxxxxxxxx>
> >
> > Realizing the basic display function of DP cable for DP connector
> > displaying. Add DP module in hibmc drm driver, which is for Hisilicon
> > Hibmc SoC which used for Out-of-band management. Blow is the general
> > hardware connection, both the Hibmc and the host CPU are on the same
> > mother board.
> >
> > +----------+ +----------+ +----- ----+ +----------------+
> > | | PCIe | Hibmc | | | | |
> > |host CPU( |<----->| display |<---->| dp kapi |<---->| dp aux moduel |
> > |arm64,x86)| |subsystem | | moduel |<---->| dp link moduel |
> > +----------+ +----------+ +----------+ +----------------+
> >
> > ---
> > ChangeLog:
> > v7 -> v8:
> > - adding DP_AUX_NATIVE_WRITE case in switch statement in hibmc_dp_aux_parse_xfer().
> > - adding pci_set_master() in hibmc_pci_probe().
> > v7:https://lore.kernel.org/all/20241209144840.1933265-1-shiyongbang@xxxxxxxxxx/
> > v6 -> v7:
> > - deleteing unset fields in struct hibmc_link_cap, suggested by Dmitry Baryshkov.
> > - using macro instead of constants in hibmc_dp_link_training_configure(), suggested by Dmitry Baryshkov.
> > - lowercasing hex, suggested by Dmitry Baryshkov.
> > v6:https://lore.kernel.org/all/20241202131322.1847078-1-shiyongbang@xxxxxxxxxx/
> > v5 -> v6:
> > - adding do{} while(0) in macro defination function, suggested by Dmitry Baryshkov.
> > - using drm_dbg_dp() to print debug info instead of drm_info(), suggested by Dmitry Baryshkov.
> > - adding code comments in hibmc_dp_set_sst(), suggested by Dmitry Baryshkov.
> > - adding hpd and get_edid comments in the beginning of patch, suggested by Dmitry Baryshkov.
> > v5:https://lore.kernel.org/all/20241118142805.3326443-1-shiyongbang@xxxxxxxxxx/
> > v4 -> v5:
> > - fixing build errors reported by kernel test robot <lkp@xxxxxxxxx>
> > Closes: https://lore.kernel.org/oe-kbuild-all/202411131438.RZWYrWTE-lkp@xxxxxxxxx/
> > v4:https://lore.kernel.org/all/20241112132348.2631150-1-shiyongbang@xxxxxxxxxx/
> > v3 -> v4:
> > - retun error codes in result incorrect branch, suggested by Dmitry Baryshkov.
> > - replacing all ret= with returns, suggested by Dmitry Baryshkov.
> > - moving the comment below the judgment statement, suggested by Dmitry Baryshkov.
> > - moving definations to the source file and clearing headers, suggested by Dmitry Baryshkov.
> > - reanaming dp_prefix to hibmc_dp_prefix, suggested by Dmitry Baryshkov.
> > - changing hibmc_dp_reg_write_field to static inline and lock, suggested by Dmitry Baryshkov.
> > - moving some structs to later patch, suggested by Dmitry Baryshkov.
> > - optimizing hibmc_dp_link_get_adjust_train() to delete for loop, suggested by Dmitry Baryshkov.
> > - changing ELNRNG to EIO error code, suggested by Dmitry Baryshkov.
> > - deleting meaningless macro, suggested by Dmitry Baryshkov.
> > - fixing build errors reported by kernel test robot <lkp@xxxxxxxxx>
> > Closes: https://lore.kernel.org/oe-kbuild-all/202411041559.WIfxRN6n-lkp@xxxxxxxxx/
> > - changed the type of train_set to array, suggested by Dmitry Baryshkov.
> > - using actual link rate instead of magic num, suggested by Dmitry Baryshkov.
> > - deleting hibmc_dp_hw_uninit(), suggested by Dmitry Baryshkov.
> > - separating hibmc_vdac and hibmc_dp changes into separate patche, suggested by Dmitry Baryshkov.
> > - static int hibmc_dp_prepare(), suggested by Dmitry Baryshkov.
> > v3:https://lore.kernel.org/all/20241101105028.2177274-1-shiyongbang@xxxxxxxxxx/
> > v2 -> v3:
> > - put the macro definations in latter patch where they are actually used, suggested by Dmitry Baryshkov.
> > - rename some macro definations to make them sensible, suggested by Dmitry Baryshkov.
> > - using FIELD_PREP and FIELD_GET, suggested by Dmitry Baryshkov.
> > - using DP_DPCD_REV_foo, suggested by Dmitry Baryshkov.
> > - using switchcase in dp_link_reduce_lane, suggested by Dmitry Baryshkov.
> > - deleting dp_link_pattern2dpcd function and using macros directly, suggested by Dmitry Baryshkov.
> > - deleting EFAULT error codes, suggested by Dmitry Baryshkov.
> > - fix build errors reported by kernel test robot <lkp@xxxxxxxxx>
> > Closes: https://lore.kernel.org/oe-kbuild-all/202410250305.UHKDhtxy-lkp@xxxxxxxxx/
> > Closes: https://lore.kernel.org/oe-kbuild-all/202410250931.UDQ9s66H-lkp@xxxxxxxxx/
> > Closes: https://lore.kernel.org/oe-kbuild-all/202410251136.1m7BlR68-lkp@xxxxxxxxx/
> > v2:https://lore.kernel.org/all/20241022124148.1952761-1-shiyongbang@xxxxxxxxxx/
> > v1 -> v2:
> > - using drm_dp_aux frame implement dp aux read and write functions, suggested by Jani Nikula.
> > - using drm dp header files' dp macros instead, suggested by Andy Yan.
> > - using drm_dp_* functions implement dp link training process, suggested by Jani Nikula.
> > - changed some defines and functions to former patch, suggested by Dmitry Baryshkov.
> > - sorting the headers including in dp_hw.h and hibmc_drm_drv.c files, suggested by Dmitry Baryshkov.
> > - deleting struct dp_mode and dp_mode_cfg function, suggested by Dmitry Baryshkov.
> > - modifying drm_simple_encoder_init function, suggested by Dmitry Baryshkov.
> > - refactoring struct hibmc_connector, suggested by Dmitry Baryshkov.
> > - withdrawing the modification in hibmc_kms_init, suggested by Dmitry Baryshkov.
> > - fix build errors reported by kernel test robot <lkp@xxxxxxxxx>
> > Closes: https://lore.kernel.org/oe-kbuild-all/202410031735.8iRZZR6T-lkp@xxxxxxxxx/
> > Closes: https://lore.kernel.org/oe-kbuild-all/202410040328.VeVxM9yB-lkp@xxxxxxxxx/
> > v1:https://lore.kernel.org/all/20240930100610.782363-1-shiyongbang@xxxxxxxxxx/
> > ---
> >
> > baihan li (5):
> > drm/hisilicon/hibmc: add dp aux in hibmc drivers
> > drm/hisilicon/hibmc: add dp link moduel in hibmc drivers
> > drm/hisilicon/hibmc: add dp hw moduel in hibmc driver
> > drm/hisilicon/hibmc: refactored struct hibmc_drm_private
> > drm/hisilicon/hibmc: add dp module in hibmc
> >
> > drivers/gpu/drm/hisilicon/hibmc/Makefile | 3 +-
> > drivers/gpu/drm/hisilicon/hibmc/dp/dp_aux.c | 164 +++++++++
> > drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h | 63 ++++
> > .../gpu/drm/hisilicon/hibmc/dp/dp_config.h | 19 +
> > drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c | 220 ++++++++++++
> > drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.h | 28 ++
> > drivers/gpu/drm/hisilicon/hibmc/dp/dp_link.c | 332 ++++++++++++++++++
> > drivers/gpu/drm/hisilicon/hibmc/dp/dp_reg.h | 76 ++++
> > .../gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c | 118 +++++++
> > .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 14 +
> > .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 19 +-
> > .../gpu/drm/hisilicon/hibmc/hibmc_drm_i2c.c | 41 ++-
> > .../gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 20 +-
> > 13 files changed, 1078 insertions(+), 39 deletions(-)
> > create mode 100644 drivers/gpu/drm/hisilicon/hibmc/dp/dp_aux.c
> > create mode 100644 drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h
> > create mode 100644 drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h
> > create mode 100644 drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
> > create mode 100644 drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.h
> > create mode 100644 drivers/gpu/drm/hisilicon/hibmc/dp/dp_link.c
> > create mode 100644 drivers/gpu/drm/hisilicon/hibmc/dp/dp_reg.h
> > create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c
> >
--
With best wishes
Dmitry
