diff options
| author |   Jun Lei <Jun.Lei@amd.com> | 2018-10-23 12:12:50 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-11-19 15:27:36 -0500 |
| commit | eb6b29d62841ec38665840af4c443fbef85bf2ec (patch) | |
| tree | 4977b94f734c2a3fbdc7ef656c770ef9575b092f /drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h | |
| parent | drm/amd/display: expose dentist_get_divider_from_did (diff) | |
| download | linux-dev-eb6b29d62841ec38665840af4c443fbef85bf2ec.tar.xz linux-dev-eb6b29d62841ec38665840af4c443fbef85bf2ec.zip | |
drm/amd/display: make underflow status clear explicit
[why]
HUBP underflow is never cleared, which causes underflow in one
test to fail another test, violating the independence requirements
[how]
Rather than make clearing implicit, we explicitly clear underflow
status in DTN.
Signed-off-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h index 4890273b632b..62d4232e7796 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h @@ -251,6 +251,7 @@ HUBP_SF(HUBP0_DCHUBP_CNTL, HUBP_BLANK_EN, mask_sh),\ HUBP_SF(HUBP0_DCHUBP_CNTL, HUBP_TTU_DISABLE, mask_sh),\ HUBP_SF(HUBP0_DCHUBP_CNTL, HUBP_UNDERFLOW_STATUS, mask_sh),\ + HUBP_SF(HUBP0_DCHUBP_CNTL, HUBP_UNDERFLOW_CLEAR, mask_sh),\ HUBP_SF(HUBP0_DCHUBP_CNTL, HUBP_NO_OUTSTANDING_REQ, mask_sh),\ HUBP_SF(HUBP0_DCHUBP_CNTL, HUBP_VTG_SEL, mask_sh),\ HUBP_SF(HUBP0_DCHUBP_CNTL, HUBP_DISABLE, mask_sh),\ @@ -435,6 +436,7 @@ type HUBP_NO_OUTSTANDING_REQ;\ type HUBP_VTG_SEL;\ type HUBP_UNDERFLOW_STATUS;\ + type HUBP_UNDERFLOW_CLEAR;\ type NUM_PIPES;\ type NUM_BANKS;\ type PIPE_INTERLEAVE;\ @@ -739,6 +741,7 @@ void dcn10_hubp_construct( const struct dcn_mi_mask *hubp_mask); void hubp1_read_state(struct hubp *hubp); +void hubp1_clear_underflow(struct hubp *hubp); enum cursor_pitch hubp1_get_cursor_pitch(unsigned int pitch); |