On Wed, Oct 03, 2018 at 11:18:25AM +0200, Daniel Vetter wrote:
> From: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
>
> Use the correct helper and also return early on helper
> success rather than on helper failure.
>
> Also explicitly return 0 in the case of no fb.
>
> v2: Check for !fb after updating state->visible (Ville).
>
> Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx> (v1)
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Reported-by: Daniel Vetter <daniel@xxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: VMware Graphics <linux-graphics-maintainer@xxxxxxxxxx>
> Cc: Sinclair Yeh <syeh@xxxxxxxxxx>
> Cc: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
> ---
> drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 24 ++++++++++++------------
> 1 file changed, 12 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> index 1b2a406b7742..8e3e262b6ef4 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> @@ -493,24 +493,24 @@ int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane,
> struct drm_plane_state *new_state)
> {
> int ret = 0;
> + struct drm_crtc_state *crtc_state = NULL;
> struct vmw_surface *surface = NULL;
> struct drm_framebuffer *fb = new_state->fb;
>
> - struct drm_rect src = drm_plane_state_src(new_state);
> - struct drm_rect dest = drm_plane_state_dest(new_state);
> + if (new_state->crtc)
> + crtc_state = drm_atomic_get_new_crtc_state(new_state->state,
> + new_state->crtc);
>
> - /* Turning off */
> - if (!fb)
> + ret = drm_atomic_helper_check_plane_state(new_state, crtc_state,
> + DRM_PLANE_HELPER_NO_SCALING,
> + DRM_PLANE_HELPER_NO_SCALING,
> + true, true);
> + if (ret)
> return ret;
>
> - ret = drm_plane_helper_check_update(plane, new_state->crtc, fb,
> - &src, &dest,
> - DRM_MODE_ROTATE_0,
> - DRM_PLANE_HELPER_NO_SCALING,
> - DRM_PLANE_HELPER_NO_SCALING,
> - true, true, &new_state->visible);
> - if (!ret)
> - return ret;
> + /* Turning off */
> + if (!fb)
> + return 0;
Yep, now ->visible should be up to date.
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> /* A lot of the code assumes this */
> if (new_state->crtc_w != 64 || new_state->crtc_h != 64) {
> --
> 2.19.0.rc2
--
Ville Syrjälä
Intel
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