Oops, sorry, this email shouldn't be in the patch set, please disconsider it. -- Rafael On Fri, Sep 25, 2015 at 04:54:53PM -0700, Rafael Antognolli wrote: > Second attempt at implementing a module that allows reading/writing arbitrary > dpcd registers. Changes to this version: > - lseek is used to select the register to read/write; > - read/write are used instead of ioctl; > - no blocking_notifier is used, just a direct callback. > > One thing to notice is that I am not updating the file offset during read or > write, which is kind of breaking the filesystem abstraction. But i2c-dev > doesn't do it either, so I assumed it's fine. > > Rafael Antognolli (3): > drm/dp: Keep a list of drm_dp_aux helper. > drm/dp: Store the drm_connector device pointer on the helper. > drm/dp: Add a drm_aux-dev module for reading/writing dpcd registers. > > drivers/gpu/drm/Kconfig | 4 + > drivers/gpu/drm/Makefile | 1 + > drivers/gpu/drm/drm_aux-dev.c | 326 ++++++++++++++++++++++++++++++++++++++++ > drivers/gpu/drm/drm_dp_helper.c | 73 +++++++++ > drivers/gpu/drm/i915/intel_dp.c | 1 + > include/drm/drm_dp_helper.h | 6 + > 6 files changed, 411 insertions(+) > create mode 100644 drivers/gpu/drm/drm_aux-dev.c > > -- > 2.4.3 > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
