On Thu, 02 Nov 2023, Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote: > DSI code for VBT has a set of ugly GPIO hacks, one of which is direct > talking to GPIO IP behind the actual driver's back. A second attempt > to fix that is here. > > If I understood correctly, my approach should work in the similar way as > the current IOSF GPIO. > > Hans, I believe you have some devices that use this piece of code, > is it possible to give a test run on (one of) them? > > In v3: > - incorporated series by Jani > - incorporated couple of precursor patches by Hans > - added Rb tag for used to be first three patches (Andi) > - rebased on top of the above changes > - fixed indexing for multi-community devices, such as Cherry View > > In v2: > - added a few cleanup patches > - reworked to use dynamic GPIO lookup tables > - converted CHV as well > > Andy Shevchenko (8): > drm/i915/dsi: Replace while(1) with one with clear exit condition > drm/i915/dsi: Get rid of redundant 'else' > drm/i915/dsi: Replace check with a (missing) MIPI sequence name > drm/i915/dsi: Extract common soc_gpio_set_value() helper > drm/i915/dsi: Replace poking of VLV GPIOs behind the driver's back > drm/i915/dsi: Prepare soc_gpio_set_value() to distinguish GPIO > communities > drm/i915/dsi: Replace poking of CHV GPIOs behind the driver's back > drm/i915/iosf: Drop unused APIs > > Hans de Goede (2): > drm/i915/dsi: Remove GPIO lookup table at the end of > intel_dsi_vbt_gpio_init() > drm/i915/dsi: Fix wrong initial value for GPIOs in bxt_exec_gpio() Assuming it all still works, and I do trust Hans' testing here quite a bit, the above is Acked-by: Jani Nikula <jani.nikula@xxxxxxxxx> Thanks for doing this! > > Jani Nikula (5): > drm/i915/dsi: assume BXT gpio works for non-native GPIO > drm/i915/dsi: switch mipi_exec_gpio() from dev_priv to i915 > drm/i915/dsi: clarify GPIO exec sequence > drm/i915/dsi: rename platform specific *_exec_gpio() to > *_gpio_set_value() > drm/i915/dsi: bxt/icl GPIO set value do not need gpio source > > drivers/gpu/drm/i915/display/intel_dsi_vbt.c | 355 +++++++------------ > drivers/gpu/drm/i915/vlv_sideband.c | 17 - > drivers/gpu/drm/i915/vlv_sideband.h | 3 - > 3 files changed, 137 insertions(+), 238 deletions(-) -- Jani Nikula, Intel
