diff options
| author | Charlene Liu <Charlene.Liu@amd.com> | 2025-04-15 19:44:42 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-05-05 19:56:30 +0300 |
| commit | 4daa5e6c2b8a98afdae46a955f1becbf7bd59507 (patch) | |
| tree | 0398766baab72b5cfb8f834f891dd0d42150cbed /drivers/gpu/drm/amd/display | |
| parent | 6f23163365dc7e006715f4014f7354141e1e3e90 (diff) | |
| download | linux-4daa5e6c2b8a98afdae46a955f1becbf7bd59507.tar.xz | |
drm/amd/display: allow dscclk disable
[why]
when dscclk rcg disabled from usr reg option,
dsc clock will remain enabled because driver was doing two things
both dscclk and dsc rcg in the same routine.
Reviewed-by: Hansen Dsouza <hansen.dsouza@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c b/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c index b363f5360818..6c5d6956612e 100644 --- a/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c @@ -1035,6 +1035,7 @@ static void dccg35_enable_dpp_clk_new( DPPCLK0_DTO_MODULO, 0xFF); } + static void dccg35_disable_dpp_clk_new( struct dccg *dccg, int inst) @@ -1771,36 +1772,40 @@ static void dccg35_enable_dscclk(struct dccg *dccg, int inst) //Disable DTO switch (inst) { case 0: + if (dccg->ctx->dc->debug.root_clock_optimization.bits.dsc) + REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DSCCLK0_ROOT_GATE_DISABLE, 1); + REG_UPDATE_2(DSCCLK0_DTO_PARAM, DSCCLK0_DTO_PHASE, 0, DSCCLK0_DTO_MODULO, 0); REG_UPDATE(DSCCLK_DTO_CTRL, DSCCLK0_EN, 1); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.dsc) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DSCCLK0_ROOT_GATE_DISABLE, 1); break; case 1: + if (dccg->ctx->dc->debug.root_clock_optimization.bits.dsc) + REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DSCCLK1_ROOT_GATE_DISABLE, 1); + REG_UPDATE_2(DSCCLK1_DTO_PARAM, DSCCLK1_DTO_PHASE, 0, DSCCLK1_DTO_MODULO, 0); REG_UPDATE(DSCCLK_DTO_CTRL, DSCCLK1_EN, 1); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.dsc) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DSCCLK1_ROOT_GATE_DISABLE, 1); break; case 2: + if (dccg->ctx->dc->debug.root_clock_optimization.bits.dsc) + REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DSCCLK2_ROOT_GATE_DISABLE, 1); + REG_UPDATE_2(DSCCLK2_DTO_PARAM, DSCCLK2_DTO_PHASE, 0, DSCCLK2_DTO_MODULO, 0); REG_UPDATE(DSCCLK_DTO_CTRL, DSCCLK2_EN, 1); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.dsc) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DSCCLK2_ROOT_GATE_DISABLE, 1); break; case 3: + if (dccg->ctx->dc->debug.root_clock_optimization.bits.dsc) + REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DSCCLK3_ROOT_GATE_DISABLE, 1); + REG_UPDATE_2(DSCCLK3_DTO_PARAM, DSCCLK3_DTO_PHASE, 0, DSCCLK3_DTO_MODULO, 0); REG_UPDATE(DSCCLK_DTO_CTRL, DSCCLK3_EN, 1); - if (dccg->ctx->dc->debug.root_clock_optimization.bits.dsc) - REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DSCCLK3_ROOT_GATE_DISABLE, 1); break; default: BREAK_TO_DEBUGGER(); @@ -1813,9 +1818,6 @@ static void dccg35_disable_dscclk(struct dccg *dccg, { struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); - if (!dccg->ctx->dc->debug.root_clock_optimization.bits.dsc) - return; - switch (inst) { case 0: REG_UPDATE(DSCCLK_DTO_CTRL, DSCCLK0_EN, 0); |