drm/udl: Use offset-adjusted shadow-plane mapping

For framebuffers with non-zero offset fields, shadow-plane helpers
provide a pointer to the first byte of the contained data. Use it in
udl.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210803125928.27780-10-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index 8a6b94b..3223222 100644 (file)
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -379,7 +379,7 @@ udl_simple_display_pipe_enable(struct drm_simple_display_pipe *pipe,
 
        udl->mode_buf_len = wrptr - buf;
 
-       udl_handle_damage(fb, &shadow_plane_state->map[0], 0, 0, fb->width, fb->height);
+       udl_handle_damage(fb, &shadow_plane_state->data[0], 0, 0, fb->width, fb->height);
 
        if (!crtc_state->mode_changed)
                return;
@@ -422,7 +422,7 @@ udl_simple_display_pipe_update(struct drm_simple_display_pipe *pipe,
                return;
 
        if (drm_atomic_helper_damage_merged(old_plane_state, state, &rect))
-               udl_handle_damage(fb, &shadow_plane_state->map[0], rect.x1, rect.y1,
+               udl_handle_damage(fb, &shadow_plane_state->data[0], rect.x1, rect.y1,
                                  rect.x2 - rect.x1, rect.y2 - rect.y1);
 }