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    Subject[PATCH 5.12 144/384] drm/ast: Fix invalid usage of AST_MAX_HWC_WIDTH in cursor atomic_check
    Date
    From: Thomas Zimmermann <tzimmermann@suse.de>

    [ Upstream commit ee4a92d690f30f3793df942939726bec0338e65b ]

    Use AST_MAX_HWC_HEIGHT for setting offset_y in the cursor plane's
    atomic_check. The code used AST_MAX_HWC_WIDTH instead. This worked
    because both constants has the same value.

    Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
    Acked-by: Gerd Hoffmann <kraxel@redhat.com>
    Link: https://patchwork.freedesktop.org/patch/msgid/20210209134632.12157-3-tzimmermann@suse.de
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/gpu/drm/ast/ast_mode.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
    index 988b270fea5e..758c69aa7232 100644
    --- a/drivers/gpu/drm/ast/ast_mode.c
    +++ b/drivers/gpu/drm/ast/ast_mode.c
    @@ -688,7 +688,7 @@ ast_cursor_plane_helper_atomic_update(struct drm_plane *plane,
    unsigned int offset_x, offset_y;

    offset_x = AST_MAX_HWC_WIDTH - fb->width;
    - offset_y = AST_MAX_HWC_WIDTH - fb->height;
    + offset_y = AST_MAX_HWC_HEIGHT - fb->height;

    if (state->fb != old_state->fb) {
    /* A new cursor image was installed. */
    --
    2.30.2


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