On Wed, 2024-10-30 at 12:55 -0700, Clint Taylor wrote:
> Starting with display version 13 the fuse bit to disable Display PM has
> been removed.
>
> v2: Bit removed starting with display version 13 (MattR)
> v3: DG2 still uses this fuse bit (MattR)
>
> BSPEC: 50075, 69464
> Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
> Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
> Signed-off-by: Matt Atwood <matthew.s.atwood@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_display_device.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@xxxxxxxxx>
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c
> b/drivers/gpu/drm/i915/display/intel_display_device.c
> index a2ae07f6d1b7..7465e1715cc8 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_device.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_device.c
> @@ -1775,8 +1775,10 @@ static void __intel_display_device_info_runtime_init(struct
> drm_i915_private *i9
> if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE)
> display_runtime->has_hdcp = 0;
>
> - if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE)
> - display_runtime->fbc_mask = 0;
> + if (IS_DG2(i915) || DISPLAY_VER(i915) < 13) {
> + if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE)
> + display_runtime->fbc_mask = 0;
> + }
>
> if (DISPLAY_VER(i915) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE))
> display_runtime->has_dmc = 0;
