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authorEric Engestrom <eric@engestrom.ch>2016-08-15 01:02:38 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-08-15 09:25:12 +0200
commit90844f00049e9f42573fd31d7c32e8fd31d3fd07 (patch)
tree60303fd6ee2cb480548f847790090e786f5f70fd /drivers/gpu/drm/hisilicon
parentfc93ff608b15ae32cde3006b7af860b59cac20ec (diff)
drm: make drm_get_format_name thread-safe
Signed-off-by: Eric Engestrom <eric@engestrom.ch> [danvet: Clarify that the returned pointer must be freed with kfree().] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/hisilicon')
-rw-r--r--drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
index c3707d47cd89..ac7fa02b341f 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
@@ -608,15 +608,17 @@ static void ade_rdma_set(void __iomem *base, struct drm_framebuffer *fb,
u32 ch, u32 y, u32 in_h, u32 fmt)
{
struct drm_gem_cma_object *obj = drm_fb_cma_get_gem_obj(fb, 0);
+ const char *format_name;
u32 reg_ctrl, reg_addr, reg_size, reg_stride, reg_space, reg_en;
u32 stride = fb->pitches[0];
u32 addr = (u32)obj->paddr + y * stride;
DRM_DEBUG_DRIVER("rdma%d: (y=%d, height=%d), stride=%d, paddr=0x%x\n",
ch + 1, y, in_h, stride, (u32)obj->paddr);
+ format_name = drm_get_format_name(fb->pixel_format);
DRM_DEBUG_DRIVER("addr=0x%x, fb:%dx%d, pixel_format=%d(%s)\n",
- addr, fb->width, fb->height, fmt,
- drm_get_format_name(fb->pixel_format));
+ addr, fb->width, fb->height, fmt, format_name);
+ kfree(format_name);
/* get reg offset */
reg_ctrl = RD_CH_CTRL(ch);