diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/bios/command_table.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/include/bios_parser_types.h | 2 |
3 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table.c b/drivers/gpu/drm/amd/display/dc/bios/command_table.c index a558bfaa0c46..2bd7cd97e00d 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/command_table.c +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table.c @@ -2201,6 +2201,9 @@ static enum bp_result program_clock_v6( if (bp_params->flags.SET_EXTERNAL_REF_DIV_SRC) params.sPCLKInput.ucMiscInfo |= PIXEL_CLOCK_MISC_REF_DIV_SRC; + if (bp_params->flags.SET_DISPCLK_DFS_BYPASS) + params.sPCLKInput.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_DPREFCLK_BYPASS; + if (EXEC_BIOS_CMD_TABLE(SetPixelClock, params)) { /* True display clock is returned by VBIOS if DFS bypass * is enabled. */ diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c index fb1f373d08a1..0782b74624d7 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c @@ -255,6 +255,9 @@ static int dce_set_clock( pxl_clk_params.target_pixel_clock = requested_clk_khz; pxl_clk_params.pll_id = CLOCK_SOURCE_ID_DFS; + if (clk_dce->dfs_bypass_enabled) + pxl_clk_params.flags.SET_DISPCLK_DFS_BYPASS = true; + bp->funcs->program_display_engine_pll(bp, &pxl_clk_params); if (clk_dce->dfs_bypass_enabled) { diff --git a/drivers/gpu/drm/amd/display/include/bios_parser_types.h b/drivers/gpu/drm/amd/display/include/bios_parser_types.h index 0840f69cde99..f8dbfa5b89f2 100644 --- a/drivers/gpu/drm/amd/display/include/bios_parser_types.h +++ b/drivers/gpu/drm/amd/display/include/bios_parser_types.h @@ -234,6 +234,8 @@ struct bp_pixel_clock_parameters { uint32_t USE_E_CLOCK_AS_SOURCE_FOR_D_CLOCK:1; /* Use external reference clock (refDivSrc for PLL) */ uint32_t SET_EXTERNAL_REF_DIV_SRC:1; + /* Use DFS bypass for Display clock. */ + uint32_t SET_DISPCLK_DFS_BYPASS:1; /* Force program PHY PLL only */ uint32_t PROGRAM_PHY_PLL_ONLY:1; /* Support for YUV420 */ |