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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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    Date
    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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