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Groups > linux.kernel > #1614445
| From | Jeffy Chen <jeffy.chen@rock-chips.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 8/9] drm/rockchip: gem: Don't alloc/free gem buf before drm dev registered |
| Date | 2017-04-01 12:50 +0200 |
| Message-ID | <troLw-1qN-25@gated-at.bofh.it> (permalink) |
| References | <troLv-1qN-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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
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[PATCH 0/9] drm: rockchip: Fix rockchip drm unbind crash error Jeffy Chen <jeffy.chen@rock-chips.com> - 2017-04-01 12:50 +0200 [PATCH 8/9] drm/rockchip: gem: Don't alloc/free gem buf before drm dev registered Jeffy Chen <jeffy.chen@rock-chips.com> - 2017-04-01 12:50 +0200 [PATCH 1/9] drm: bridge: analogix: Detach panel when unbinding analogix dp Jeffy Chen <jeffy.chen@rock-chips.com> - 2017-04-01 12:50 +0200 [PATCH 7/9] drm/rockchip: Force disable all crtc when unload Jeffy Chen <jeffy.chen@rock-chips.com> - 2017-04-01 12:50 +0200 [PATCH 9/9] drm/rockchip: cdn-dp: Don't unregister audio dev when unbinding Jeffy Chen <jeffy.chen@rock-chips.com> - 2017-04-01 12:50 +0200 [PATCH 4/9] drm/rockchip: cdn-dp: Don't try to release firmware when not loaded Jeffy Chen <jeffy.chen@rock-chips.com> - 2017-04-01 12:50 +0200 [PATCH 6/9] drm/rockchip: Reoder unload sequence Jeffy Chen <jeffy.chen@rock-chips.com> - 2017-04-01 12:50 +0200
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