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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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12
drivers/gpu/drm/radeon/atombios_crtc.c
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@@ -1154,6 +1154,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
u32 tmp, viewport_w, viewport_h;
int r;
bool bypass_lut = false;
const char *format_name;
/* no fb bound */
if (!atomic && !crtc->primary->fb) {
@@ -1257,8 +1258,9 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
bypass_lut = true;
break;
default:
DRM_ERROR("Unsupported screen format %s\n",
drm_get_format_name(target_fb->pixel_format));
format_name = drm_get_format_name(target_fb->pixel_format);
DRM_ERROR("Unsupported screen format %s\n", format_name);
kfree(format_name);
return -EINVAL;
}
@@ -1469,6 +1471,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
u32 viewport_w, viewport_h;
int r;
bool bypass_lut = false;
const char *format_name;
/* no fb bound */
if (!atomic && !crtc->primary->fb) {
@@ -1558,8 +1561,9 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
bypass_lut = true;
break;
default:
DRM_ERROR("Unsupported screen format %s\n",
drm_get_format_name(target_fb->pixel_format));
format_name = drm_get_format_name(target_fb->pixel_format);
DRM_ERROR("Unsupported screen format %s\n", format_name);
kfree(format_name);
return -EINVAL;
}