> Subject: [PATCH v2 10/15] drm/i915/display: convert W/As in intel_flipq.c to
> new framework
> 
> Convert the low-hanging fruits of workaround checks to the workaround
> framework.  Instead of having display structure checks for the workarounds all
> over, concentrate the checks in intel_wa.c.

*intel_display_wa.c
With that fixed
Reviewed-by: Suraj Kandpal <[email protected]>

> 
> Acked-by: Jani Nikula <[email protected]>
> Signed-off-by: Luca Coelho <[email protected]>
> ---
>  drivers/gpu/drm/i915/display/intel_display_wa.c |  4 ++++
> drivers/gpu/drm/i915/display/intel_display_wa.h |  1 +
>  drivers/gpu/drm/i915/display/intel_flipq.c      | 13 +++----------
>  3 files changed, 8 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display_wa.c
> b/drivers/gpu/drm/i915/display/intel_display_wa.c
> index 1459e5df1dd3..3aa79e607bf8 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_wa.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_wa.c
> @@ -117,6 +117,10 @@ bool __intel_display_wa(struct intel_display
> *display, enum intel_display_wa wa,
>               return intel_display_needs_wa_16023588340(display);
>       case INTEL_DISPLAY_WA_16025573575:
>               return intel_display_needs_wa_16025573575(display);
> +     case INTEL_DISPLAY_WA_18034343758:
> +             return DISPLAY_VER(display) == 20 ||
> +                     (display->platform.pantherlake &&
> +                      IS_DISPLAY_STEP(display, STEP_A0, STEP_B0));
>       case INTEL_DISPLAY_WA_22010178259:
>               return DISPLAY_VER(display) == 12;
>       case INTEL_DISPLAY_WA_22011320316:
> diff --git a/drivers/gpu/drm/i915/display/intel_display_wa.h
> b/drivers/gpu/drm/i915/display/intel_display_wa.h
> index 87fe404962ce..57345d0abe1c 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_wa.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_wa.h
> @@ -46,6 +46,7 @@ enum intel_display_wa {
>       INTEL_DISPLAY_WA_16011863758,
>       INTEL_DISPLAY_WA_16023588340,
>       INTEL_DISPLAY_WA_16025573575,
> +     INTEL_DISPLAY_WA_18034343758,
>       INTEL_DISPLAY_WA_22010178259,
>       INTEL_DISPLAY_WA_22011320316,
>       INTEL_DISPLAY_WA_22012358565,
> diff --git a/drivers/gpu/drm/i915/display/intel_flipq.c
> b/drivers/gpu/drm/i915/display/intel_flipq.c
> index 1e9550cb66a3..234fe22498f0 100644
> --- a/drivers/gpu/drm/i915/display/intel_flipq.c
> +++ b/drivers/gpu/drm/i915/display/intel_flipq.c
> @@ -12,6 +12,7 @@
>  #include "intel_display_core.h"
>  #include "intel_display_types.h"
>  #include "intel_display_utils.h"
> +#include "intel_display_wa.h"
>  #include "intel_dmc.h"
>  #include "intel_dmc_regs.h"
>  #include "intel_dsb.h"
> @@ -447,19 +448,11 @@ void intel_flipq_add(struct intel_crtc *crtc,
>       intel_flipq_sw_dmc_wake(crtc);
>  }
> 
> -/* Wa_18034343758 */
> -static bool need_dmc_halt_wa(struct intel_display *display) -{
> -     return DISPLAY_VER(display) == 20 ||
> -             (display->platform.pantherlake &&
> -              IS_DISPLAY_STEP(display, STEP_A0, STEP_B0));
> -}
> -
>  void intel_flipq_wait_dmc_halt(struct intel_dsb *dsb, struct intel_crtc 
> *crtc)
> {
>       struct intel_display *display = to_intel_display(crtc);
> 
> -     if (need_dmc_halt_wa(display))
> +     if (intel_display_wa(display, 18034343758))
>               intel_dsb_wait_usec(dsb, 2);
>  }
> 
> @@ -467,6 +460,6 @@ void intel_flipq_unhalt_dmc(struct intel_dsb *dsb,
> struct intel_crtc *crtc)  {
>       struct intel_display *display = to_intel_display(crtc);
> 
> -     if (need_dmc_halt_wa(display))
> +     if (intel_display_wa(display, 18034343758))
>               intel_dsb_reg_write(dsb, PIPEDMC_CTL(crtc->pipe), 0);  }
> --
> 2.51.0

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