diff options
| author | Wesley Chalmers <Wesley.Chalmers@amd.com> | 2020-12-07 11:46:08 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-12-23 15:01:24 -0500 |
| commit | 2da94e2808bd7df30ace134991ed0fbd95188acd (patch) | |
| tree | a64d33bbd6e7fabfa487d3d9e0d408c749cc0f2d /drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c | |
| parent | ea96b12aa4fa116aa8ff4cf8de839ea65a2bb3ef (diff) | |
drm/amd/display: Interfaces for hubp blank and soft reset
[WHY]
HUBP blanking sequence on DCN30 requires us to check if HUBP is in blank
and also toggle HUBP_DISABLE, which should instead be called
HUBP_SOFT_RESET for what it does in HW.
Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Acked-by: Bindu Ramamurthy <bindu.r@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c index 41679ad531c5..9e796dfeac20 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c @@ -1241,6 +1241,22 @@ void hubp1_vtg_sel(struct hubp *hubp, uint32_t otg_inst) REG_UPDATE(DCHUBP_CNTL, HUBP_VTG_SEL, otg_inst); } +bool hubp1_in_blank(struct hubp *hubp) +{ + uint32_t in_blank; + struct dcn10_hubp *hubp1 = TO_DCN10_HUBP(hubp); + + REG_GET(DCHUBP_CNTL, HUBP_IN_BLANK, &in_blank); + return in_blank ? true : false; +} + +void hubp1_soft_reset(struct hubp *hubp, bool reset) +{ + struct dcn10_hubp *hubp1 = TO_DCN10_HUBP(hubp); + + REG_UPDATE(DCHUBP_CNTL, HUBP_DISABLE, reset ? 1 : 0); +} + void hubp1_init(struct hubp *hubp) { //do nothing @@ -1272,6 +1288,8 @@ static const struct hubp_funcs dcn10_hubp_funcs = { .dmdata_set_attributes = NULL, .dmdata_load = NULL, + .hubp_soft_reset = hubp1_soft_reset, + .hubp_in_blank = hubp1_in_blank, }; /*****************************************/ |