Reviewed-by: Evan Quan <[email protected]>
> -----Original Message----- > From: amd-gfx <[email protected]> On Behalf Of Rex > Zhu > Sent: 2018年9月30日 0:19 > To: [email protected] > Cc: Zhu, Rex <[email protected]> > Subject: [PATCH 2/4] drm/amd/pp: Implement load_firmware interface > > with this interface, gfx/sdma can be initialized before smu. > > Signed-off-by: Rex Zhu <[email protected]> > --- > drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 15 > +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c > b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c > index a267f9e..ace88e2 100644 > --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c > +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c > @@ -270,8 +270,23 @@ static int pp_set_clockgating_state(void *handle, > .funcs = &pp_ip_funcs, > }; > > +/* This interface only be supported On Vi, > + * because only smu7/8 can help to load gfx/sdma fw, > + * smu need to be enabled before load other ip's fw. > + * so call start smu to load smu7 fw and other ip's fw */ > static int pp_dpm_load_fw(void *handle) { > + struct pp_hwmgr *hwmgr = handle; > + > + if (!hwmgr || !hwmgr->smumgr_funcs || !hwmgr->smumgr_funcs- > >start_smu) > + return -EINVAL; > + > + if (hwmgr->smumgr_funcs->start_smu(hwmgr)) { > + pr_err("fw load failed\n"); > + return -EINVAL; > + } > + > return 0; > } > > -- > 1.9.1 > > _______________________________________________ > amd-gfx mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
