On Thu, Jan 31, 2019 at 09:42:13AM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <[email protected]>
> 
> We are mistakenly skipping transition watermarks on glk. Fix
> up the condition for glk, and toss in the w/a name from
> the database.
> 
> Signed-off-by: Ville Syrjälä <[email protected]>

Reviewed-by: Rodrigo Vivi <[email protected]>


> ---
>  drivers/gpu/drm/i915/intel_pm.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index ed9786241307..5ce60faef28c 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4848,8 +4848,11 @@ static void skl_compute_transition_wm(const struct 
> intel_crtc_state *cstate,
>       const u16 trans_amount = 10; /* This is configurable amount */
>       u16 wm0_sel_res_b, trans_offset_b, res_blocks;
>  
> -     /* Transition WM are not recommended by HW team for GEN9 */
> -     if (INTEL_GEN(dev_priv) <= 9)
> +     /*
> +      * WaDisableTWM:skl,kbl,cfl,bxt
> +      * Transition WM are not recommended by HW team for GEN9
> +      */
> +     if (IS_GEN9_BC(dev_priv) || IS_BROXTON(dev_priv))
>               return;
>  
>       /* Transition WM don't make any sense if ipc is disabled */
> -- 
> 2.19.2
> 
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