From: Wayne Boyer <wayne.boyer@intel.com>
To: Matt Atwood <matthew.s.atwood@intel.com>,
<intel-gfx@lists.freedesktop.org>
Subject: Re: [Intel-gfx] [PATCH 1/2] drm/i915/dg2: Introduce Wa_18018764978
Date: Mon, 7 Nov 2022 07:41:16 -0800 [thread overview]
Message-ID: <0114f950-3534-3aae-8920-36f8e84a76db@intel.com> (raw)
In-Reply-To: <20221025180335.1723742-1-matthew.s.atwood@intel.com>
On 10/25/22 11:03 AM, Matt Atwood wrote:
> Wa_18018764978 applies to specific steppings of DG2 (G11 C0+,
> G11 and G12 A0+).
>
> Bspec: 66622
>
> Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
With fixups to commit messages as mentioned by Gustavo,
Reviewed-by: Wayne Boyer <wayne.boyer@intel.com>
> ---
> drivers/gpu/drm/i915/gt/intel_gt_regs.h | 3 +++
> drivers/gpu/drm/i915/gt/intel_workarounds.c | 5 +++++
> 2 files changed, 8 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> index 36d95b79022c..e8372d4cd548 100644
> --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
> @@ -448,6 +448,9 @@
> #define GEN8_L3CNTLREG _MMIO(0x7034)
> #define GEN8_ERRDETBCTRL (1 << 9)
>
> +#define PSS_MODE2 _MMIO(0x703c)
> +#define SCOREBOARD_STALL_FLUSH_CONTROL REG_BIT(5)
> +
> #define GEN7_SC_INSTDONE _MMIO(0x7100)
> #define GEN12_SC_INSTDONE_EXTRA _MMIO(0x7104)
> #define GEN12_SC_INSTDONE_EXTRA2 _MMIO(0x7108)
> diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> index 63e1e6becf34..ced3a26cf7e7 100644
> --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
> +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> @@ -743,6 +743,11 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine,
> IS_DG2_G11(engine->i915) || IS_DG2_G12(engine->i915))
> wa_masked_field_set(wal, VF_PREEMPTION, PREEMPTION_VERTEX_COUNT, 0x4000);
>
> + /* Wa_18018764978:dg2 */
> + if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_C0, STEP_FOREVER) ||
> + IS_DG2_G11(engine->i915) || IS_DG2_G12(engine->i915))
> + wa_masked_en(wal, PSS_MODE2, SCOREBOARD_STALL_FLUSH_CONTROL);
> +
> /* Wa_15010599737:dg2 */
> wa_masked_en(wal, CHICKEN_RASTER_1, DIS_SF_ROUND_NEAREST_EVEN);
> }
--
Wayne Boyer
Graphics Software Engineer
AXG SCSS Platform Enablement
prev parent reply other threads:[~2022-11-07 15:41 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-25 18:03 [Intel-gfx] [PATCH 1/2] drm/i915/dg2: Introduce Wa_18018764978 Matt Atwood
2022-10-25 18:03 ` [Intel-gfx] [PATCH 2/2] drm/i915/dg2: Introduce Wa_18019271663 Matt Atwood
2022-10-27 17:28 ` Gustavo Sousa
2022-10-28 21:45 ` Matt Atwood
2022-10-25 18:49 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/2] drm/i915/dg2: Introduce Wa_18018764978 Patchwork
2022-10-25 19:12 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2022-10-26 9:21 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2022-10-27 17:20 ` [Intel-gfx] [PATCH 1/2] " Gustavo Sousa
2022-11-07 15:41 ` Wayne Boyer [this message]
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