diff options
| author | Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> | 2018-06-05 13:14:13 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-05 16:38:42 -0500 |
| commit | 7144d3cfff7d8b0d98d9d25ee42c674491e31bc9 (patch) | |
| tree | 0492ba01ac3c25bce8f55b26421a9513e95c5342 /drivers/gpu/drm/amd/display | |
| parent | 69d6bb171fe15f564adfbc485e77dd8c5ca953d5 (diff) | |
drm/amd/display: separate out wm change request dcn workaround
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
5 files changed, 13 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c index 63b75ac4a1d5..623db09389b5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c @@ -190,6 +190,12 @@ static uint32_t convert_and_clamp( } +void hubbub1_wm_change_req_wa(struct hubbub *hubbub) +{ + REG_UPDATE_SEQ(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL, + DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, 0, 1); +} + void hubbub1_program_watermarks( struct hubbub *hubbub, struct dcn_watermark_set *watermarks, @@ -203,8 +209,6 @@ void hubbub1_program_watermarks( */ uint32_t prog_wm_value; - REG_UPDATE(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL, - DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, 0); /* Repeat for water mark set A, B, C and D. */ /* clock state A */ @@ -459,9 +463,6 @@ void hubbub1_program_watermarks( watermarks->d.cstate_pstate.pstate_change_ns, prog_wm_value); } - REG_UPDATE(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL, - DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, 1); - REG_UPDATE(DCHUBBUB_ARB_SAT_LEVEL, DCHUBBUB_ARB_SAT_LEVEL, 60 * refclk_mhz); REG_UPDATE(DCHUBBUB_ARB_DF_REQ_OUTSTAND, diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h index 0ca39cb71968..d6e596eef4c5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.h @@ -195,6 +195,8 @@ void hubbub1_update_dchub( bool hubbub1_verify_allow_pstate_change_high( struct hubbub *hubbub); +void hubbub1_wm_change_req_wa(struct hubbub *hubbub); + void hubbub1_program_watermarks( struct hubbub *hubbub, struct dcn_watermark_set *watermarks, diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c index cc12c4757f8b..378bb19b98de 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c @@ -2305,6 +2305,9 @@ static void dcn10_apply_ctx_for_surface( hubbub1_program_watermarks(dc->res_pool->hubbub, &context->bw.dcn.watermarks, ref_clk_mhz, true); + if (dc->hwseq->wa.DEGVIDCN10_254) + hubbub1_wm_change_req_wa(dc->res_pool->hubbub); + if (dc->debug.sanity_checks) { /* pstate stuck check after watermark update */ dcn10_verify_allow_pstate_change_high(dc); diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c index 2db08b99db56..68be66eabc40 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c @@ -743,6 +743,7 @@ static struct dce_hwseq *dcn10_hwseq_create( hws->masks = &hwseq_mask; hws->wa.DEGVIDCN10_253 = true; hws->wa.false_optc_underflow = true; + hws->wa.DEGVIDCN10_254 = true; } return hws; } diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h index a71770ed4b9f..1c94dae6bbde 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h @@ -44,6 +44,7 @@ struct dce_hwseq_wa { bool blnd_crtc_trigger; bool DEGVIDCN10_253; bool false_optc_underflow; + bool DEGVIDCN10_254; }; struct hwseq_wa_state { |