From: Jani Nikula <jani.nikula@linux.intel.com>
To: Ville Syrjala <ville.syrjala@linux.intel.com>,
intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH 1/5] drm/i915: Restore lost glk FBC 16bpp w/a
Date: Wed, 14 Apr 2021 12:14:12 +0300 [thread overview]
Message-ID: <87r1jdfct7.fsf@intel.com> (raw)
In-Reply-To: <20210412054607.18133-2-ville.syrjala@linux.intel.com>
On Mon, 12 Apr 2021, Ville Syrjala <ville.syrjala@linux.intel.com> wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> We lost the FBC 16bpp 512byte stride requirement on glk when
> we switched from display version 9 to 10. Restore the w/a to
> avoid enabling FBC with a bad stride and thus display garbage.
>
> Cc: Matt Roper <matthew.d.roper@intel.com>
> Fixes: 2b5a4562edd0 ("drm/i915/display: Simplify GLK display version tests")
I think this should be:
Fixes: 005e95377249 ("drm/i915/display: Eliminate most usage of INTEL_GEN()")
Right?
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_fbc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
> index 04d9c7d22b04..dcc0f73ea225 100644
> --- a/drivers/gpu/drm/i915/display/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/display/intel_fbc.c
> @@ -598,7 +598,7 @@ static bool stride_is_valid(struct drm_i915_private *dev_priv,
> return false;
>
> /* Display WA #1105: skl,bxt,kbl,cfl,glk */
> - if (IS_DISPLAY_VER(dev_priv, 9) &&
> + if ((IS_DISPLAY_VER(dev_priv, 9) || IS_GEMINILAKE(dev_priv)) &&
> modifier == DRM_FORMAT_MOD_LINEAR && stride & 511)
> return false;
--
Jani Nikula, Intel Open Source Graphics Center
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next prev parent reply other threads:[~2021-04-14 9:14 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-12 5:46 [Intel-gfx] [PATCH 0/5] drm/i915: Fix glk display version regressions Ville Syrjala
2021-04-12 5:46 ` [Intel-gfx] [PATCH 1/5] drm/i915: Restore lost glk FBC 16bpp w/a Ville Syrjala
2021-04-14 9:14 ` Jani Nikula [this message]
2021-04-14 9:17 ` Jani Nikula
2021-04-12 5:46 ` [Intel-gfx] [PATCH 2/5] drm/i915: Restore lost glk ccs w/a Ville Syrjala
2021-04-14 9:18 ` Jani Nikula
2021-04-12 5:46 ` [Intel-gfx] [PATCH 3/5] drm/i915: Disable LTTPR detection on GLK once again Ville Syrjala
2021-04-14 9:19 ` Jani Nikula
2021-04-12 5:46 ` [Intel-gfx] [PATCH 4/5] drm/i915: Don't use {skl, cnl}_hpd_pin() for bxt/glk Ville Syrjala
2021-04-14 9:25 ` Jani Nikula
2021-04-12 5:46 ` [Intel-gfx] [PATCH 5/5] drm/i915: Remove a few redundant glk checks Ville Syrjala
2021-04-14 9:26 ` Jani Nikula
2021-04-12 6:18 ` [Intel-gfx] ✗ Fi.CI.DOCS: warning for drm/i915: Fix glk display version regressions Patchwork
2021-04-12 6:40 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-04-12 7:53 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2021-04-13 10:57 ` [Intel-gfx] [PATCH 0/5] " Jani Nikula
2021-04-14 9:34 ` Jani Nikula
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