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drm/sun4i: Fix uninitialized variables in vi layer 

min_scale and max_scale in sun8i_vi_layer_atomic_check() can be used
without initialization.

Fix that.

Fixes: b862a648de ("drm/sun4i: Add support for HW scaling to DE2")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171206152603.25937-1-jernej.skrabec@siol.net
This commit is contained in:
Jernej Skrabec 2017-12-06 16:26:03 +01:00 committed by Maxime Ripard
parent 89f3f35620
commit bc29489f71
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/sun4i/sun8i_vi_layer.c
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@ -253,6 +253,9 @@ static int sun8i_vi_layer_atomic_check(struct drm_plane *plane,
clip.x2 = crtc_state->adjusted_mode.hdisplay;
clip.y2 = crtc_state->adjusted_mode.vdisplay;
min_scale = DRM_PLANE_HELPER_NO_SCALING;
max_scale = DRM_PLANE_HELPER_NO_SCALING;
if (layer->mixer->cfg->scaler_mask & BIT(layer->channel)) {
min_scale = SUN8I_VI_SCALER_SCALE_MIN;
max_scale = SUN8I_VI_SCALER_SCALE_MAX;