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drm/mode: Validate modes inside drm_crtc_convert_umode

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The only user of convert_umode was also performing mode validation, so
do that in the same place.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Tested-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Stone 2015-05-22 13:34:47 +01:00 committed by Daniel Vetter
parent 9f658b7b62
commit 7dec9a9648
1 changed files with 15 additions and 10 deletions
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25
drivers/gpu/drm/drm_crtc.c
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@ -1785,11 +1785,15 @@ static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
static int drm_crtc_convert_umode(struct drm_display_mode *out,
const struct drm_mode_modeinfo *in)
{
if (in->clock > INT_MAX || in->vrefresh > INT_MAX)
return -ERANGE;
int ret = -EINVAL;
if (in->clock > INT_MAX || in->vrefresh > INT_MAX) {
ret = -ERANGE;
goto out;
}
if ((in->flags & DRM_MODE_FLAG_3D_MASK) > DRM_MODE_FLAG_3D_MAX)
return -EINVAL;
goto out;
out->clock = in->clock;
out->hdisplay = in->hdisplay;
@ -1808,7 +1812,14 @@ static int drm_crtc_convert_umode(struct drm_display_mode *out,
strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
return 0;
out->status = drm_mode_validate_basic(out);
if (out->status != MODE_OK)
goto out;
ret = 0;
out:
return ret;
}
/**
@ -2821,12 +2832,6 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
goto out;
}
mode->status = drm_mode_validate_basic(mode);
if (mode->status != MODE_OK) {
ret = -EINVAL;
goto out;
}
drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
/*