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

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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: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210803125928.27780-9-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2021-08-03 14:59:25 +02:00
parent 229d946808
commit 8b9b88b94b
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/tiny/simpledrm.c
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@ -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;