linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: jeffy.chen@rock-chips.com (Jeffy Chen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 8/9] drm/rockchip: gem: Don't alloc/free gem buf before drm dev registered
Date: Sat,  1 Apr 2017 18:44:01 +0800	[thread overview]
Message-ID: <1491043442-20626-9-git-send-email-jeffy.chen@rock-chips.com> (raw)
In-Reply-To: <1491043442-20626-1-git-send-email-jeffy.chen@rock-chips.com>

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---

 drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
index df9e570..19679b2 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
@@ -184,6 +184,9 @@ static int rockchip_gem_alloc_buf(struct rockchip_gem_object *rk_obj,
 	struct drm_device *drm = obj->dev;
 	struct rockchip_drm_private *private = drm->dev_private;
 
+	if (!drm->registered)
+		return;
+
 	if (private->domain)
 		return rockchip_gem_alloc_iommu(rk_obj, alloc_kmap);
 	else
@@ -208,6 +211,11 @@ static void rockchip_gem_free_dma(struct rockchip_gem_object *rk_obj)
 
 static void rockchip_gem_free_buf(struct rockchip_gem_object *rk_obj)
 {
+	struct drm_device *drm = rk_obj->base.dev;
+
+	if (!drm->registered)
+		return;
+
 	if (rk_obj->pages)
 		rockchip_gem_free_iommu(rk_obj);
 	else
-- 
2.1.4

  parent reply	other threads:[~2017-04-01 10:44 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-01 10:43 [PATCH 0/9] drm: rockchip: Fix rockchip drm unbind crash error Jeffy Chen
2017-04-01 10:43 ` [PATCH 4/9] drm/rockchip: cdn-dp: Don't try to release firmware when not loaded Jeffy Chen
2017-04-01 10:43 ` [PATCH 5/9] drm/rockchip: vop: Enable pm domain when resetting vop Jeffy Chen
2017-04-01 10:43 ` [PATCH 6/9] drm/rockchip: Reoder unload sequence Jeffy Chen
2017-04-01 10:44 ` [PATCH 7/9] drm/rockchip: Force disable all crtc when unload Jeffy Chen
2017-04-01 10:44 ` Jeffy Chen [this message]
2017-04-03  7:22   ` [PATCH 8/9] drm/rockchip: gem: Don't alloc/free gem buf before drm dev registered kbuild test robot
2017-04-01 10:44 ` [PATCH 9/9] drm/rockchip: cdn-dp: Don't unregister audio dev when unbinding Jeffy Chen

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=1491043442-20626-9-git-send-email-jeffy.chen@rock-chips.com \
    --to=jeffy.chen@rock-chips.com \
    --cc=linux-arm-kernel@lists.infradead.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;
as well as URLs for NNTP newsgroup(s).