diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c index 5a8258287438..39260371beb9 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c @@ -145,17 +145,36 @@ void dcn35_init_hw(struct dc *dc) hws->funcs.bios_golden_init(dc); } - REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0); - REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0); - - /* Disable gating for PHYASYMCLK. This will be enabled in dccg if needed */ - REG_UPDATE_5(DCCG_GATE_DISABLE_CNTL2, PHYASYMCLK_ROOT_GATE_DISABLE, 1, - PHYBSYMCLK_ROOT_GATE_DISABLE, 1, - PHYCSYMCLK_ROOT_GATE_DISABLE, 1, - PHYDSYMCLK_ROOT_GATE_DISABLE, 1, - PHYESYMCLK_ROOT_GATE_DISABLE, 1); + if (!dc->debug.disable_clock_gate) { + REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0); + REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0); + + /* Disable gating for PHYASYMCLK. This will be enabled in dccg if needed */ + REG_UPDATE_5(DCCG_GATE_DISABLE_CNTL2, PHYASYMCLK_ROOT_GATE_DISABLE, 1, + PHYBSYMCLK_ROOT_GATE_DISABLE, 1, + PHYCSYMCLK_ROOT_GATE_DISABLE, 1, + PHYDSYMCLK_ROOT_GATE_DISABLE, 1, + PHYESYMCLK_ROOT_GATE_DISABLE, 1); + + REG_UPDATE_4(DCCG_GATE_DISABLE_CNTL4, + DPIASYMCLK0_GATE_DISABLE, 0, + DPIASYMCLK1_GATE_DISABLE, 0, + DPIASYMCLK2_GATE_DISABLE, 0, + DPIASYMCLK3_GATE_DISABLE, 0); + + REG_WRITE(DCCG_GATE_DISABLE_CNTL5, 0xFFFFFFFF); + REG_UPDATE_4(DCCG_GATE_DISABLE_CNTL5, + DTBCLK_P0_GATE_DISABLE, 0, + DTBCLK_P1_GATE_DISABLE, 0, + DTBCLK_P2_GATE_DISABLE, 0, + DTBCLK_P3_GATE_DISABLE, 0); + REG_UPDATE_4(DCCG_GATE_DISABLE_CNTL5, + DPSTREAMCLK0_GATE_DISABLE, 0, + DPSTREAMCLK1_GATE_DISABLE, 0, + DPSTREAMCLK2_GATE_DISABLE, 0, + DPSTREAMCLK3_GATE_DISABLE, 0); - REG_WRITE(DCCG_GATE_DISABLE_CNTL5, 0x1f7c3fcf); + } // Initialize the dccg if (res_pool->dccg->funcs->dccg_init) @@ -332,9 +351,6 @@ void dcn35_init_hw(struct dc *dc) if (dc->res_pool->pg_cntl) { if (dc->res_pool->pg_cntl->funcs->init_pg_status) dc->res_pool->pg_cntl->funcs->init_pg_status(dc->res_pool->pg_cntl); - - if (dc->res_pool->pg_cntl->funcs->set_force_poweron_domain22) - dc->res_pool->pg_cntl->funcs->set_force_poweron_domain22(dc->res_pool->pg_cntl, false); } } |