diff options
| author | Ken Chalmers <ken.chalmers@amd.com> | 2017-12-14 12:43:41 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:17:17 -0500 |
| commit | 73535feb175d7ec570911b1f00aa11e30cb7e92e (patch) | |
| tree | 42963e74d81a3d94b7d3536fe74fa6a24e002e94 /drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c | |
| parent | a8c40b0b5add7bb1d6172f8addbc42485e311d4a (diff) | |
| download | linux-73535feb175d7ec570911b1f00aa11e30cb7e92e.tar.bz2 | |
drm/amd/display: Fix Maximus pixel clock programming
Maximus testing now defaults to a 700 MHz emulated dispclk
Signed-off-by: Ken Chalmers <ken.chalmers@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/dc/dce/dce_clock_source.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c index 31280d252753..5036b674f68b 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c @@ -908,19 +908,9 @@ static bool dce110_program_pix_clk( #if defined(CONFIG_DRM_AMD_DC_DCN1_0) if (IS_FPGA_MAXIMUS_DC(clock_source->ctx->dce_environment)) { unsigned int inst = pix_clk_params->controller_id - CONTROLLER_ID_D0; - unsigned dp_dto_ref_kHz = 600000; - /* DPREF clock from FPGA TODO: Does FPGA have this value? */ + unsigned dp_dto_ref_kHz = 700000; unsigned clock_kHz = pll_settings->actual_pix_clk; - /* For faster simulation, if mode pixe clock less than 290MHz, - * pixel clock can be hard coded to 290Mhz. For 4K mode, pixel clock - * is greater than 500Mhz, need real pixel clock - * clock_kHz = 290000; - */ - /* TODO: un-hardcode when we can set display clock properly*/ - /*clock_kHz = pix_clk_params->requested_pix_clk;*/ - clock_kHz = 290000; - /* Set DTO values: phase = target clock, modulo = reference clock */ REG_WRITE(PHASE[inst], clock_kHz); REG_WRITE(MODULO[inst], dp_dto_ref_kHz); |