Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit bc29489f authored by Jernej Skrabec's avatar Jernej Skrabec Committed by Maxime Ripard
Browse files

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: b862a648 ("drm/sun4i: Add support for HW scaling to DE2")
Signed-off-by: default avatarJernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171206152603.25937-1-jernej.skrabec@siol.net
parent 89f3f356

drivers/gpu/drm/sun4i/sun8i_vi_layer.c

+3 −0
Original line number Diff line number Diff line
@@ -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;