Commit 8b9b88b9 authored by Thomas Zimmermann's avatar Thomas Zimmermann
Browse files

drm/simpledrm: 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
simpledrm.

Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Acked-by: default avatarSam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210803125928.27780-9-tzimmermann@suse.de
parent 229d9468

drivers/gpu/drm/tiny/simpledrm.c

+2 −2
Original line number Diff line number Diff line
@@ -639,7 +639,7 @@ simpledrm_simple_display_pipe_enable(struct drm_simple_display_pipe *pipe, 
	struct simpledrm_device *sdev = simpledrm_device_of_dev(pipe->crtc.dev);

	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);

	struct drm_framebuffer *fb = plane_state->fb;

	void *vmap = shadow_plane_state->map[0].vaddr; /* TODO: Use mapping abstraction properly */

	void *vmap = shadow_plane_state->data[0].vaddr; /* TODO: Use mapping abstraction */

	struct drm_device *dev = &sdev->dev;

	int idx;
@@ -677,7 +677,7 @@ simpledrm_simple_display_pipe_update(struct drm_simple_display_pipe *pipe, 
	struct simpledrm_device *sdev = simpledrm_device_of_dev(pipe->crtc.dev);

	struct drm_plane_state *plane_state = pipe->plane.state;

	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);

	void *vmap = shadow_plane_state->map[0].vaddr; /* TODO: Use mapping abstraction properly */

	void *vmap = shadow_plane_state->data[0].vaddr; /* TODO: Use mapping abstraction */

	struct drm_framebuffer *fb = plane_state->fb;

	struct drm_device *dev = &sdev->dev;

	struct drm_rect clip;