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drm: make drm_get_format_name thread-safe

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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>
This commit is contained in:
Eric Engestrom
2016-08-15 01:02:38 +01:00
committed by Daniel Vetter
parent fc93ff608b
commit 90844f0004
12 changed files with 89 additions and 48 deletions
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6
drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
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@@ -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);