[Intel-gfx] [PATCH 13/18] drm/i915/adl_s: Add display, gt, ctx and ADL-S whitelist WA

Joonas Lahtinen joonas.lahtinen at linux.intel.com
Wed Nov 4 10:38:00 UTC 2020


+ Rodrigo,

Quoting Aditya Swarup (2020-10-21 16:32:08)
> From: Anusha Srivatsa <anusha.srivatsa at intel.com>
> 
> - Inherit the gen12 workarounds.
> - Add placeholders to setup GT WA.
> - Extend permanent driver WA Wa_1409767108 to adl-s and
>   Wa_14010685332 to adl-s.
> - Extend permanent driver WA Wa_1606054188 to adl-s
> - Add Wa_14011765242 for adl-s A0 stepping.

Rodrigo, Jani, any thoughts on if this patch should be split
between display and GT? In my thinking we should have a small
topic branch that introduces the base platform support, which
is merged to both trees. Then the respective patches split and
merged to -next and -gt-next. That way we would avoid the
conflicts that came from the Jasperlake patches.

Although, I'm not sure if our code splitting is yet as far that
we could enable the display with separate set of patches. I guess
it would be worthy testing if that can happen.

Regards, Joonas

> Cc: Jani Nikula <jani.nikula at intel.com>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Cc: Imre Deak <imre.deak at intel.com>
> Cc: Matt Roper <matthew.d.roper at intel.com>
> Cc: Lucas De Marchi <lucas.demarchi at intel.com>
> Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
> Signed-off-by: Aditya Swarup <aditya.swarup at intel.com>
> ---
>  .../drm/i915/display/intel_display_power.c    |  7 +++--
>  drivers/gpu/drm/i915/display/intel_sprite.c   |  2 +-
>  drivers/gpu/drm/i915/gt/intel_workarounds.c   | 29 +++++++++++++++++--
>  drivers/gpu/drm/i915/i915_irq.c               |  2 +-
>  drivers/gpu/drm/i915/intel_device_info.c      |  6 +++-
>  5 files changed, 37 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
> index 689922480661..acc63ab2bc78 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_power.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_power.c
> @@ -5288,9 +5288,10 @@ static void tgl_bw_buddy_init(struct drm_i915_private *dev_priv)
>         unsigned long abox_mask = INTEL_INFO(dev_priv)->abox_mask;
>         int config, i;
>  
> -       if (IS_DG1_REVID(dev_priv, DG1_REVID_A0, DG1_REVID_A0) ||
> +       if (IS_ALDERLAKE_S(dev_priv) ||
> +           IS_DG1_REVID(dev_priv, DG1_REVID_A0, DG1_REVID_A0) ||
>             IS_TGL_DISP_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_B0))
> -               /* Wa_1409767108:tgl,dg1 */
> +               /* Wa_1409767108:tgl,dg1,adl-s */
>                 table = wa_1409767108_buddy_page_masks;
>         else
>                 table = tgl_buddy_page_masks;
> @@ -5328,7 +5329,7 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv,
>  
>         gen9_set_dc_state(dev_priv, DC_STATE_DISABLE);
>  
> -       /* Wa_14011294188:ehl,jsl,tgl,rkl */
> +       /* Wa_14011294188:ehl,jsl,tgl,rkl,adl-s */
>         if (INTEL_PCH_TYPE(dev_priv) >= PCH_JSP &&
>             INTEL_PCH_TYPE(dev_priv) < PCH_DG1)
>                 intel_de_rmw(dev_priv, SOUTH_DSPCLK_GATE_D, 0,
> diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c
> index 88bfebdf9228..d4b5fc9e2704 100644
> --- a/drivers/gpu/drm/i915/display/intel_sprite.c
> +++ b/drivers/gpu/drm/i915/display/intel_sprite.c
> @@ -2226,7 +2226,7 @@ static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
>         }
>  
>         /* Wa_1606054188:tgl */
> -       if (IS_TIGERLAKE(dev_priv) &&
> +       if ((IS_TIGERLAKE(dev_priv) || IS_ALDERLAKE_S(dev_priv)) &&
>             plane_state->ckey.flags & I915_SET_COLORKEY_SOURCE &&
>             intel_format_is_p01x(fb->format->format)) {
>                 drm_dbg_kms(&dev_priv->drm,
> diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> index fed9503a7c4e..8136d13462b5 100644
> --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
> +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> @@ -686,6 +686,12 @@ static void dg1_ctx_workarounds_init(struct intel_engine_cs *engine,
>                           DG1_HZ_READ_SUPPRESSION_OPTIMIZATION_DISABLE);
>  }
>  
> +static void adls_ctx_workarounds_init(struct intel_engine_cs *engine,
> +                                     struct i915_wa_list *wal)
> +{
> +       gen12_ctx_workarounds_init(engine, wal);
> +}
> +
>  static void
>  __intel_engine_init_ctx_wa(struct intel_engine_cs *engine,
>                            struct i915_wa_list *wal,
> @@ -698,7 +704,9 @@ __intel_engine_init_ctx_wa(struct intel_engine_cs *engine,
>  
>         wa_init_start(wal, name, engine->name);
>  
> -       if (IS_DG1(i915))
> +       if (IS_ALDERLAKE_S(i915))
> +               adls_ctx_workarounds_init(engine, wal);
> +       else if (IS_DG1(i915))
>                 dg1_ctx_workarounds_init(engine, wal);
>         else if (IS_ROCKETLAKE(i915) || IS_TIGERLAKE(i915))
>                 tgl_ctx_workarounds_init(engine, wal);
> @@ -1284,10 +1292,18 @@ dg1_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
>                             VSUNIT_CLKGATE_DIS_TGL);
>  }
>  
> +static void
> +adls_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
> +{
> +       gen12_gt_workarounds_init(i915, wal);
> +}
> +
>  static void
>  gt_init_workarounds(struct drm_i915_private *i915, struct i915_wa_list *wal)
>  {
> -       if (IS_DG1(i915))
> +       if (IS_ALDERLAKE_S(i915))
> +               adls_gt_workarounds_init(i915, wal);
> +       else if (IS_DG1(i915))
>                 dg1_gt_workarounds_init(i915, wal);
>         else if (IS_TIGERLAKE(i915))
>                 tgl_gt_workarounds_init(i915, wal);
> @@ -1668,6 +1684,11 @@ static void dg1_whitelist_build(struct intel_engine_cs *engine)
>                                   RING_FORCE_TO_NONPRIV_ACCESS_RD);
>  }
>  
> +static void adls_whitelist_build(struct intel_engine_cs *engine)
> +{
> +       tgl_whitelist_build(engine);
> +}
> +
>  void intel_engine_init_whitelist(struct intel_engine_cs *engine)
>  {
>         struct drm_i915_private *i915 = engine->i915;
> @@ -1675,7 +1696,9 @@ void intel_engine_init_whitelist(struct intel_engine_cs *engine)
>  
>         wa_init_start(w, "whitelist", engine->name);
>  
> -       if (IS_DG1(i915))
> +       if (IS_ALDERLAKE_S(i915))
> +               adls_whitelist_build(engine);
> +       else if (IS_DG1(i915))
>                 dg1_whitelist_build(engine);
>         else if (IS_GEN(i915, 12))
>                 tgl_whitelist_build(engine);
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 9033221995ad..32cb12c4b6dd 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -3045,7 +3045,7 @@ static void gen11_display_irq_reset(struct drm_i915_private *dev_priv)
>         if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP)
>                 GEN3_IRQ_RESET(uncore, SDE);
>  
> -       /* Wa_14010685332:icl,jsl,ehl,tgl,rkl */
> +       /* Wa_14010685332:icl,jsl,ehl,tgl,rkl,adl-s A0 */
>         if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP) {
>                 intel_uncore_rmw(uncore, SOUTH_CHICKEN1,
>                                  SBCLK_RUN_REFCLK_DIS, SBCLK_RUN_REFCLK_DIS);
> diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
> index 7310e019c611..4fffa8295d06 100644
> --- a/drivers/gpu/drm/i915/intel_device_info.c
> +++ b/drivers/gpu/drm/i915/intel_device_info.c
> @@ -394,7 +394,11 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
>         struct intel_runtime_info *runtime = RUNTIME_INFO(dev_priv);
>         enum pipe pipe;
>  
> -       if (INTEL_GEN(dev_priv) >= 10) {
> +       /* Wa_14011765242: adl-s A0 */
> +       if (IS_ADLS_REVID(dev_priv, ADLS_REVID_A0, ADLS_REVID_A0))
> +               for_each_pipe(dev_priv, pipe)
> +                       runtime->num_scalers[pipe] = 0;
> +       else if (INTEL_GEN(dev_priv) >= 10) {
>                 for_each_pipe(dev_priv, pipe)
>                         runtime->num_scalers[pipe] = 2;
>         } else if (IS_GEN(dev_priv, 9)) {
> -- 
> 2.27.0
> 
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