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SubjectRe: [Mesa-dev] [PATCH 4.16 039/110] drm/i915/gen9: Add WaClearHIZ_WM_CHICKEN3 for bxt and glk
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Sorry for top-posting, but why is this email on mesa-dev, and not on
intel-gfx? I mean, the latter is for the kernel driver while the former
is the userspace 3d driver, so intel-gfx@lists.freedesktop.org is
definitely the prefered mailing list for these discussions.

Martin

On 21/05/18 14:11, Greg Kroah-Hartman wrote:
> 4.16-stable review patch. If anyone has any objections, please let me know.
>
> ------------------
>
> From: Michel Thierry <michel.thierry@intel.com>
>
> commit b579f924a90f42fa561afd8201514fc216b71949 upstream.
>
> Factor in clear values wherever required while updating destination
> min/max.
>
> References: HSDES#1604444184
> Signed-off-by: Michel Thierry <michel.thierry@intel.com>
> Cc: mesa-dev@lists.freedesktop.org
> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
> Cc: Oscar Mateo <oscar.mateo@intel.com>
> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Link: https://patchwork.freedesktop.org/patch/msgid/20180510200708.18097-1-michel.thierry@intel.com
> Cc: stable@vger.kernel.org
> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
> Link: https://patchwork.freedesktop.org/patch/msgid/20180514165445.9198-1-michel.thierry@intel.com
> (backported from commit 0c79f9cb77eae28d48a4f9fc1b3341aacbbd260c)
> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>
> ---
> drivers/gpu/drm/i915/i915_reg.h | 3 +++
> drivers/gpu/drm/i915/intel_engine_cs.c | 4 ++++
> 2 files changed, 7 insertions(+)
>
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -7139,6 +7139,9 @@ enum {
> #define SLICE_ECO_CHICKEN0 _MMIO(0x7308)
> #define PIXEL_MASK_CAMMING_DISABLE (1 << 14)
>
> +#define GEN9_WM_CHICKEN3 _MMIO(0x5588)
> +#define GEN9_FACTOR_IN_CLR_VAL_HIZ (1 << 9)
> +
> /* WaCatErrorRejectionIssue */
> #define GEN7_SQ_CHICKEN_MBCUNIT_CONFIG _MMIO(0x9030)
> #define GEN7_SQ_CHICKEN_MBCUNIT_SQINTMOB (1<<11)
> --- a/drivers/gpu/drm/i915/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/intel_engine_cs.c
> @@ -1098,6 +1098,10 @@ static int gen9_init_workarounds(struct
> WA_SET_FIELD_MASKED(GEN8_CS_CHICKEN1, GEN9_PREEMPT_GPGPU_LEVEL_MASK,
> GEN9_PREEMPT_GPGPU_COMMAND_LEVEL);
>
> + /* WaClearHIZ_WM_CHICKEN3:bxt,glk */
> + if (IS_GEN9_LP(dev_priv))
> + WA_SET_BIT_MASKED(GEN9_WM_CHICKEN3, GEN9_FACTOR_IN_CLR_VAL_HIZ);
> +
> /* WaVFEStateAfterPipeControlwithMediaStateClear:skl,bxt,glk,cfl */
> ret = wa_ring_whitelist_reg(engine, GEN9_CTX_PREEMPT_REG);
> if (ret)
>
>
> _______________________________________________
> mesa-dev mailing list
> mesa-dev@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>

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