Commit 12f84ab2 authored by Thomas Zimmermann's avatar Thomas Zimmermann
Browse files

drm/cirrus: Use offset-adjusted shadow-plane mappings 



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

Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Acked-by: default avatarSam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210803125928.27780-7-tzimmermann@suse.de
parent af022daf

drivers/gpu/drm/tiny/cirrus.c

+2 −2
Original line number Diff line number Diff line
@@ -435,7 +435,7 @@ static void cirrus_pipe_enable(struct drm_simple_display_pipe *pipe, 
	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);



	cirrus_mode_set(cirrus, &crtc_state->mode, plane_state->fb);

	cirrus_fb_blit_fullscreen(plane_state->fb, &shadow_plane_state->map[0]);

	cirrus_fb_blit_fullscreen(plane_state->fb, &shadow_plane_state->data[0]);

}



static void cirrus_pipe_update(struct drm_simple_display_pipe *pipe,
@@ -451,7 +451,7 @@ static void cirrus_pipe_update(struct drm_simple_display_pipe *pipe, 
		cirrus_mode_set(cirrus, &crtc->mode, state->fb);



	if (drm_atomic_helper_damage_merged(old_state, state, &rect))

		cirrus_fb_blit_rect(state->fb, &shadow_plane_state->map[0], &rect);

		cirrus_fb_blit_rect(state->fb, &shadow_plane_state->data[0], &rect);

}



static const struct drm_simple_display_pipe_funcs cirrus_pipe_funcs = {