From: Rob Clark <robdclark@gmail.com>
To: dri-devel@lists.freedesktop.org
Subject: [PATCH] drm: export atomic wait_for_vblanks helper
Date: Mon, 10 Nov 2014 10:59:23 -0500 [thread overview]
Message-ID: <1415635163-19954-1-git-send-email-robdclark@gmail.com> (raw)
Signed-off-by: Rob Clark <robdclark@gmail.com>
---
I'll need this helper for msm async commit, and I suspect other
drivers will as well.
drivers/gpu/drm/drm_atomic_helper.c | 16 +++++++++++++---
include/drm/drm_atomic_helper.h | 3 +++
2 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index ca839bd..9032fd5 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -754,8 +754,17 @@ static void wait_for_fences(struct drm_device *dev,
}
}
-static void
-wait_for_vblanks(struct drm_device *dev, struct drm_atomic_state *old_state)
+/**
+ * drm_atomic_helper_wait_for_vblanks - wait for vblank on crtcs
+ * @dev: DRM device
+ * @old_state: the just-applied driver state object
+ *
+ * Helper to, after atomic commit, wait for vblanks on all effected crtcs
+ * (ie. before cleaning up old crtcs)
+ */
+void
+drm_atomic_helper_wait_for_vblanks(struct drm_device *dev,
+ struct drm_atomic_state *old_state)
{
struct drm_crtc *crtc;
struct drm_crtc_state *old_crtc_state;
@@ -800,6 +809,7 @@ wait_for_vblanks(struct drm_device *dev, struct drm_atomic_state *old_state)
drm_crtc_vblank_put(crtc);
}
}
+EXPORT_SYMBOL(drm_atomic_helper_wait_for_vblanks);
/**
* drm_atomic_helper_commit - commit validated state object
@@ -859,7 +869,7 @@ int drm_atomic_helper_commit(struct drm_device *dev,
drm_atomic_helper_commit_post_planes(dev, state);
- wait_for_vblanks(dev, state);
+ drm_atomic_helper_wait_for_vblanks(dev, state);
drm_atomic_helper_cleanup_planes(dev, state);
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h
index 67e3c46..64b4e91 100644
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -34,6 +34,9 @@ int drm_atomic_helper_commit(struct drm_device *dev,
struct drm_atomic_state *state,
bool async);
+void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev,
+ struct drm_atomic_state *old_state);
+
void drm_atomic_helper_commit_pre_planes(struct drm_device *dev,
struct drm_atomic_state *state);
void drm_atomic_helper_commit_post_planes(struct drm_device *dev,
--
1.9.3
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel
next reply other threads:[~2014-11-10 15:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-10 15:59 Rob Clark [this message]
2014-11-10 23:23 ` [PATCH] drm: export atomic wait_for_vblanks helper Daniel Vetter
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1415635163-19954-1-git-send-email-robdclark@gmail.com \
--to=robdclark@gmail.com \
--cc=dri-devel@lists.freedesktop.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox