From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 4/4] drm/i915: Only call commit_planes when there are things to commit.
Date: Fri, 16 Oct 2015 15:47:37 +0300 [thread overview]
Message-ID: <20151016124737.GP26517@intel.com> (raw)
In-Reply-To: <1443018579-20100-5-git-send-email-maarten.lankhorst@linux.intel.com>
On Wed, Sep 23, 2015 at 04:29:39PM +0200, Maarten Lankhorst wrote:
> The atomic helpers set planes_changed on a crtc_state if there is
> any plane_state bound to that crtc. If there's none and there is
> no pipe update required the crtc has nothing to update, so vblank
> evasion can be skipped.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> ---
> drivers/gpu/drm/i915/intel_display.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index f64ea430b976..9754ee2bb37c 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -13146,7 +13146,8 @@ static int intel_atomic_commit(struct drm_device *dev,
> if (!modeset)
> intel_pre_plane_update(intel_crtc);
>
> - if (crtc->state->active)
> + if (crtc->state->active &&
> + (crtc->state->planes_changed || update_pipe))
> drm_atomic_helper_commit_planes_on_crtc(crtc_state);
>
> if (put_domains)
Series lgtm
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> --
> 2.1.0
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Ville Syrjälä
Intel OTC
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next prev parent reply other threads:[~2015-10-16 12:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-23 14:29 [PATCH 0/4] Remainder of 'Nuke legacy state' patch series Maarten Lankhorst
2015-09-23 14:29 ` [PATCH 1/4] drm/i915: Update legacy primary state outside the commit hook, v2 Maarten Lankhorst
2015-09-23 14:29 ` [PATCH 2/4] drm/i915: Only commit active planes when updating planes during reset Maarten Lankhorst
2015-09-23 14:29 ` [PATCH 3/4] drm/i915: Only run commit when crtc is active, v2 Maarten Lankhorst
2015-09-23 14:29 ` [PATCH 4/4] drm/i915: Only call commit_planes when there are things to commit Maarten Lankhorst
2015-10-16 12:47 ` Ville Syrjälä [this message]
2015-10-19 9:38 ` Daniel Vetter
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