Hi Maxime, On Tue, 04 Mar 2025 12:10:51 +0100 Maxime Ripard <mripard@xxxxxxxxxx> wrote: > Let's provide an helper to make it easier for bridge drivers to > power-cycle their bridge. > > In order to avoid a circular dependency between that new helper and > drm_atomic_helper_reset_crtc(), this new helper will be in a > drm_bridge_helper.c file to follow the pattern we have for other > objects. > > Co-developed-by: Simona Vetter <simona.vetter@xxxxxxxx> > Signed-off-by: Maxime Ripard <mripard@xxxxxxxxxx> > --- > drivers/gpu/drm/Makefile | 1 + > drivers/gpu/drm/drm_bridge_helper.c | 55 +++++++++++++++++++++++++++++++++++++ > include/drm/drm_bridge_helper.h | 12 ++++++++ > 3 files changed, 68 insertions(+) > Reviewed-by: Herve Codina <herve.codina@xxxxxxxxxxx> Also tested on my system using the ti-sn65dsi83 driver (updated in this series) with faults manually generated on the hardware. No regressions were observed in the driver recovery process. Works fine. Tested-by: Herve Codina <herve.codina@xxxxxxxxxxx> Best regards, Hervé
