diff options
| author | Jingwen Zhu <Jingwen.Zhu@amd.com> | 2025-07-14 16:18:19 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-07-28 16:40:08 -0400 |
| commit | 82139760dcf7829ae2ca3f70442be9b53a0aff40 (patch) | |
| tree | bac7f863b0163e938f6b2d991c332f90520bcb16 /drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | |
| parent | 2681bf4ae8d24df950138b8c9ea9c271cd62e414 (diff) | |
drm/amd/display: Add a config flag for limited_pll_vco
[Why/How]
Added a new config flag to pass to the DMUB during boot.
This workaround will solves black screen issue on reboot.
Reviewed-by: Hansen Dsouza <hansen.dsouza@amd.com>
Signed-off-by: Jingwen Zhu <Jingwen.Zhu@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@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/dmub/inc/dmub_cmd.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h index a89bf08ffd37..e2e5f71c03f2 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -843,7 +843,8 @@ union dmub_fw_boot_options { uint32_t ips_sequential_ono: 1; /**< 1 to enable sequential ONO IPS sequence */ uint32_t disable_sldo_opt: 1; /**< 1 to disable SLDO optimizations */ uint32_t lower_hbr3_phy_ssc: 1; /**< 1 to lower hbr3 phy ssc to 0.125 percent */ - uint32_t reserved : 6; /**< reserved */ + uint32_t override_hbr3_pll_vco: 1; /**< 1 to override the hbr3 pll vco to 0 */ + uint32_t reserved : 5; /**< reserved */ } bits; /**< boot bits */ uint32_t all; /**< 32-bit access to bits */ }; |