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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: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210803125928.27780-7-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2021-08-03 14:59:23 +02:00
parent af022daf08
commit 12f84ab2ff
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/tiny/cirrus.c
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@ -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 = {