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    Subject[PATCH 5.12 179/242] drm/arm/malidp: Always list modifiers
    Date
    From: Daniel Vetter <daniel.vetter@ffwll.ch>

    commit 26c3e7fd5a3499e408915dadae5d5360790aae9a upstream.

    Even when all we support is linear, make that explicit. Otherwise the
    uapi is rather confusing.

    Acked-by: Liviu Dudau <liviu.dudau@arm.com>
    Acked-by: Pekka Paalanen <pekka.paalanen@collabora.com>
    Reviewed-by: Lyude Paul <lyude@redhat.com>
    Cc: stable@vger.kernel.org
    Cc: Pekka Paalanen <pekka.paalanen@collabora.com>
    Cc: Liviu Dudau <liviu.dudau@arm.com>
    Cc: Brian Starkey <brian.starkey@arm.com>
    Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
    Link: https://patchwork.freedesktop.org/patch/msgid/20210427092018.832258-2-daniel.vetter@ffwll.ch
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/gpu/drm/arm/malidp_planes.c | 9 +++++++--
    1 file changed, 7 insertions(+), 2 deletions(-)

    --- a/drivers/gpu/drm/arm/malidp_planes.c
    +++ b/drivers/gpu/drm/arm/malidp_planes.c
    @@ -922,6 +922,11 @@ static const struct drm_plane_helper_fun
    .atomic_disable = malidp_de_plane_disable,
    };

    +static const uint64_t linear_only_modifiers[] = {
    + DRM_FORMAT_MOD_LINEAR,
    + DRM_FORMAT_MOD_INVALID
    +};
    +
    int malidp_de_planes_init(struct drm_device *drm)
    {
    struct malidp_drm *malidp = drm->dev_private;
    @@ -985,8 +990,8 @@ int malidp_de_planes_init(struct drm_dev
    */
    ret = drm_universal_plane_init(drm, &plane->base, crtcs,
    &malidp_de_plane_funcs, formats, n,
    - (id == DE_SMART) ? NULL : modifiers, plane_type,
    - NULL);
    + (id == DE_SMART) ? linear_only_modifiers : modifiers,
    + plane_type, NULL);

    if (ret < 0)
    goto cleanup;

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