From: Daniel Vetter <daniel@ffwll.ch>
To: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: intel-gfx@lists.freedesktop.org, shuang.he@linux.intel.com
Subject: Re: [PATCH 2/4] drm/i915: preserve swizzle settings if necessary v4
Date: Tue, 21 Oct 2014 16:49:12 +0200 [thread overview]
Message-ID: <20141021144912.GK26941@phenom.ffwll.local> (raw)
In-Reply-To: <1412884665-16766-2-git-send-email-jbarnes@virtuousgeek.org>
On Thu, Oct 09, 2014 at 12:57:43PM -0700, Jesse Barnes wrote:
> Some machines (like MBAs) might use a tiled framebuffer but not enable
> display swizzling at boot time. We want to preserve that configuration
> if possible to prevent a boot time mode set. On IVB+ it shouldn't
> affect performance anyway since the memory controller does internal
> swizzling anyway.
>
> For most other configs we'll be able to enable swizzling at boot time,
> since the initial framebuffer won't be tiled, thus we won't see any
> corruption when we enable it.
>
> v2: preserve swizzling if BIOS had it set (Daniel)
> v3: preserve swizzling only if we inherited a tiled framebuffer (Daniel)
> check display swizzle setting in detect_bit_6_swizzle (Daniel)
> use gen6 as cutoff point (Daniel)
> v4: fixup swizzle preserve again, had wrong init order (Daniel)
>
> Reported-by: Kristian Høgsberg <hoegsberg@gmail.com>
> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
lgtm. Queued for -next, thanks for the patch.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
next prev parent reply other threads:[~2014-10-21 14:49 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-09 19:57 [PATCH 1/4] drm/i915: preserve SSC if previously set v3 Jesse Barnes
2014-10-09 19:57 ` [PATCH 2/4] drm/i915: preserve swizzle settings if necessary v4 Jesse Barnes
2014-10-21 14:49 ` Daniel Vetter [this message]
2014-10-30 21:25 ` Jesse Barnes
2014-10-09 19:57 ` [PATCH 3/4] drm: add drm_mode_same_size function Jesse Barnes
2014-10-21 14:49 ` Daniel Vetter
2014-10-22 15:40 ` Jesse Barnes
2014-10-09 19:57 ` [PATCH 4/4] drm/i915: use current mode if the size matches the preferred mode Jesse Barnes
2014-10-10 14:44 ` [PATCH 4/4] drm/i915: use current mode if the size shuang.he
2014-10-21 14:53 ` [PATCH 4/4] drm/i915: use current mode if the size matches the preferred mode Daniel Vetter
2014-10-22 15:42 ` Jesse Barnes
2014-10-23 10:23 ` Daniel Vetter
2014-11-13 8:42 ` [PATCH 1/4] drm/i915: preserve SSC if previously set v3 Jani Nikula
2014-11-14 9:36 ` Daniel Vetter
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