diff options
Diffstat (limited to 'drivers/gpu/drm/drm_plane.c')
| -rw-r--r-- | drivers/gpu/drm/drm_plane.c | 41 |
1 files changed, 25 insertions, 16 deletions
diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index 035054455301..df0b4ebbedbf 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -177,6 +177,10 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, if (WARN_ON(config->num_total_plane >= 32)) return -EINVAL; + WARN_ON(drm_drv_uses_atomic_modeset(dev) && + (!funcs->atomic_destroy_state || + !funcs->atomic_duplicate_state)); + ret = drm_mode_object_add(dev, &plane->base, DRM_MODE_OBJECT_PLANE); if (ret) return ret; @@ -561,19 +565,20 @@ int drm_plane_check_pixel_format(struct drm_plane *plane, if (i == plane->format_count) return -EINVAL; - if (!plane->modifier_count) - return 0; + if (plane->funcs->format_mod_supported) { + if (!plane->funcs->format_mod_supported(plane, format, modifier)) + return -EINVAL; + } else { + if (!plane->modifier_count) + return 0; - for (i = 0; i < plane->modifier_count; i++) { - if (modifier == plane->modifiers[i]) - break; + for (i = 0; i < plane->modifier_count; i++) { + if (modifier == plane->modifiers[i]) + break; + } + if (i == plane->modifier_count) + return -EINVAL; } - if (i == plane->modifier_count) - return -EINVAL; - - if (plane->funcs->format_mod_supported && - !plane->funcs->format_mod_supported(plane, format, modifier)) - return -EINVAL; return 0; } @@ -650,9 +655,11 @@ static int __setplane_internal(struct drm_plane *plane, crtc_x, crtc_y, crtc_w, crtc_h, src_x, src_y, src_w, src_h, ctx); if (!ret) { - plane->crtc = crtc; - plane->fb = fb; - drm_framebuffer_get(plane->fb); + if (!plane->state) { + plane->crtc = crtc; + plane->fb = fb; + drm_framebuffer_get(plane->fb); + } } else { plane->old_fb = NULL; } @@ -1092,8 +1099,10 @@ retry: /* Keep the old fb, don't unref it. */ plane->old_fb = NULL; } else { - plane->fb = fb; - drm_framebuffer_get(fb); + if (!plane->state) { + plane->fb = fb; + drm_framebuffer_get(fb); + } } out: |