From: Daniel Vetter <daniel@ffwll.ch>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Combine pinning with setting to the display plane
Date: Sat, 16 Apr 2011 12:52:35 +0200 [thread overview]
Message-ID: <20110416105234.GA3498@viiv.ffwll.ch> (raw)
In-Reply-To: <1302935251-11233-1-git-send-email-chris@chris-wilson.co.uk>
On Sat, Apr 16, 2011 at 07:27:31AM +0100, Chris Wilson wrote:
> We need to perform a few operations in order to move the object into the
> display plane (where it can be accessed coherently by the display
> engine) that are important for future safety to forbid whilst pinned. As a
> result, we want to need to perform some of the operations before pinning,
> but some are required once we have been bound into the GTT. So combine
> the pinning performed by all the callers with set_to_display_plane(), so
> this complication is contained within the single function.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
One small comment-nitpick below.
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 7271956..c73eeaf 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -3095,40 +3095,55 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
> }
>
> /*
> - * Prepare buffer for display plane. Use uninterruptible for possible flush
> - * wait, as in modesetting process we're not supposed to be interrupted.
> + * Prepare buffer for display plane (scanout, cursors, etc).
> + * Expects to be called from an uninterruptible phase (modesetting) and allows
Shouldn't that be "Can be called from uninterruptible ..." At least that's
the case for cursor setting and I think we could also change the pageflip
code to interruptible. User will then only see the old screen if we
interrupt and bail out, not a dying scanout engine.
--
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48
next prev parent reply other threads:[~2011-04-16 10:52 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-14 9:03 i915 llc for -next Chris Wilson
2011-04-14 9:03 ` [PATCH 01/13] drm/i915: Rename agp_type to cache_level Chris Wilson
2011-04-14 12:39 ` Keith Packard
2011-04-14 20:57 ` [PATCH] " Chris Wilson
2011-04-14 9:03 ` [PATCH 02/13] drm/i915: Do not clflush snooped objects Chris Wilson
2011-04-14 9:03 ` [PATCH 03/13] drm/i915: Introduce i915_gem_object_finish_gpu() Chris Wilson
2011-04-14 16:01 ` Daniel Vetter
2011-04-14 9:03 ` [PATCH 04/13] drm/i915: Introduce i915_gem_object_finish_gtt() Chris Wilson
2011-04-14 16:12 ` Daniel Vetter
2011-04-14 20:20 ` Chris Wilson
2011-05-04 16:47 ` Keith Packard
2011-04-14 9:03 ` [PATCH 05/13] drm/i915/gtt: Split out i915_gem_gtt_rebind_object() Chris Wilson
2011-04-14 16:52 ` Daniel Vetter
2011-04-14 9:03 ` [PATCH 06/13] drm/i915: Add an interface to dynamically change the cache level Chris Wilson
2011-04-14 16:54 ` Daniel Vetter
2011-04-14 9:03 ` [PATCH 07/13] drm/i915: Mark the cursor and the overlay as being part of the display planes Chris Wilson
2011-05-04 17:09 ` Keith Packard
2011-05-04 18:28 ` Chris Wilson
2011-05-04 18:46 ` Keith Packard
2011-05-04 19:47 ` Chris Wilson
2011-04-14 9:03 ` [PATCH 08/13] drm/i915: Pin after setting to the display plane Chris Wilson
2011-04-14 17:34 ` Daniel Vetter
2011-04-14 21:31 ` Chris Wilson
2011-04-15 6:04 ` [PATCH 1/2] drm/i915: Combine pinning " Chris Wilson
2011-04-15 6:04 ` [PATCH 2/2] drm/i915: Use the uncached domain for the display planes Chris Wilson
2011-04-16 10:54 ` Daniel Vetter
2011-04-15 12:11 ` [PATCH 1/2] drm/i915: Combine pinning after setting to the display plane Daniel Vetter
2011-04-16 6:26 ` Chris Wilson
2011-04-16 6:27 ` [PATCH] drm/i915: Combine pinning with " Chris Wilson
2011-04-16 10:52 ` Daniel Vetter [this message]
2011-04-16 11:00 ` Chris Wilson
2011-04-14 9:03 ` [PATCH 09/13] drm/i915: Use the uncached domain for the display planes Chris Wilson
2011-04-14 9:03 ` [PATCH 10/13] drm/i915: Use the CPU domain for snooped pwrites Chris Wilson
2011-04-14 17:40 ` Daniel Vetter
2011-04-14 9:03 ` [PATCH 11/13] drm/i915: Prevent mmap access through the GTT of snooped pages Chris Wilson
2011-05-04 17:30 ` Keith Packard
2011-04-14 9:03 ` [PATCH 12/13] drm/i915: Prevent mixing of snooped and tiling modes for old chipsets Chris Wilson
2011-04-14 17:43 ` Daniel Vetter
2011-04-14 20:26 ` Chris Wilson
2011-05-04 17:32 ` Keith Packard
2011-04-14 9:03 ` [PATCH 13/13] drm/i915: Use the LLC mode on gen6 for everything but display Chris Wilson
2011-04-15 6:12 ` i915 llc for -next Chris Wilson
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