On Thu, 2019-11-07 at 16:24 +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> For the sake of symmetry with the crtc stuff let's add
> a helper to reset the plane state to sane default values.
> For the moment this only gets caller from the plane init.
>
Reviewed-by: José Roberto de Souza <jose.so...@intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_atomic_plane.c | 15
> +++++++++++++--
> 1 file changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> index 42b3b3449d2e..9429b8e17270 100644
> --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
> @@ -41,6 +41,16 @@
> #include "intel_pm.h"
> #include "intel_sprite.h"
>
> +static void intel_plane_state_reset(struct intel_plane_state
> *plane_state,
> + struct intel_plane *plane)
> +{
> + memset(plane_state, 0, sizeof(*plane_state));
> +
> + __drm_atomic_helper_plane_state_reset(&plane_state->uapi,
> &plane->base);
> +
> + plane_state->scaler_id = -1;
> +}
> +
> struct intel_plane *intel_plane_alloc(void)
> {
> struct intel_plane_state *plane_state;
> @@ -56,8 +66,9 @@ struct intel_plane *intel_plane_alloc(void)
> return ERR_PTR(-ENOMEM);
> }
>
> - __drm_atomic_helper_plane_reset(&plane->base, &plane_state-
> >uapi);
> - plane_state->scaler_id = -1;
> + intel_plane_state_reset(plane_state, plane);
> +
> + plane->base.state = &plane_state->uapi;
>
> return plane;
> }
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