Call atomic_helper_check_plane_state to clip plane coordinates.
Signed-off-by: Haneen Mohammed hamohammed.sa@gmail.com --- drivers/gpu/drm/vkms/vkms_plane.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c index f464eb0e05dd..bf37aebac0fb 100644 --- a/drivers/gpu/drm/vkms/vkms_plane.c +++ b/drivers/gpu/drm/vkms/vkms_plane.c @@ -7,9 +7,10 @@ */
#include "vkms_drv.h" -#include <drm/drm_plane_helper.h> +#include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_plane_helper.h>
static const struct drm_plane_funcs vkms_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, @@ -23,7 +24,20 @@ static const struct drm_plane_funcs vkms_plane_funcs = { static int vkms_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state) { - return 0; + struct drm_crtc_state *crtc_state; + + if (!state->fb || !state->crtc) + return 0; + + crtc_state = drm_atomic_get_crtc_state(state->state, state->crtc); + + if (IS_ERR(crtc_state)) + return PTR_ERR(crtc_state); + + return drm_atomic_helper_check_plane_state(state, crtc_state, + DRM_PLANE_HELPER_NO_SCALING, + DRM_PLANE_HELPER_NO_SCALING, + false, true); }
static void vkms_primary_plane_update(struct drm_plane *plane,