diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c index 479f3683c0b7..142efd390d86 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dccg.c @@ -256,6 +256,21 @@ static void dccg35_set_dtbclk_dto( if (params->ref_dtbclk_khz && req_dtbclk_khz) { uint32_t modulo, phase; + switch (params->otg_inst) { + case 0: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P0_GATE_DISABLE, 1); + break; + case 1: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P1_GATE_DISABLE, 1); + break; + case 2: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P2_GATE_DISABLE, 1); + break; + case 3: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P3_GATE_DISABLE, 1); + break; + } + // phase / modulo = dtbclk / dtbclk ref modulo = params->ref_dtbclk_khz * 1000; phase = req_dtbclk_khz * 1000; @@ -280,6 +295,21 @@ static void dccg35_set_dtbclk_dto( REG_UPDATE(OTG_PIXEL_RATE_CNTL[params->otg_inst], PIPE_DTO_SRC_SEL[params->otg_inst], 2); } else { + switch (params->otg_inst) { + case 0: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P0_GATE_DISABLE, 0); + break; + case 1: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P1_GATE_DISABLE, 0); + break; + case 2: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P2_GATE_DISABLE, 0); + break; + case 3: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P3_GATE_DISABLE, 0); + break; + } + REG_UPDATE_2(OTG_PIXEL_RATE_CNTL[params->otg_inst], DTBCLK_DTO_ENABLE[params->otg_inst], 0, PIPE_DTO_SRC_SEL[params->otg_inst], params->is_hdmi ? 0 : 1); |