diff options
Diffstat (limited to 'drivers/gpu/drm/drm_crtc_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc_helper.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 58e33596761..d8a982b7129 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -432,7 +432,8 @@ static void drm_setup_crtcs(struct drm_device *dev) */ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, - int x, int y) + int x, int y, + struct drm_framebuffer *old_fb) { struct drm_device *dev = crtc->dev; struct drm_display_mode *adjusted_mode, saved_mode; @@ -462,7 +463,8 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, if (drm_mode_equal(&saved_mode, &crtc->mode)) { if (saved_x != crtc->x || saved_y != crtc->y) { - crtc_funcs->mode_set_base(crtc, crtc->x, crtc->y); + crtc_funcs->mode_set_base(crtc, crtc->x, crtc->y, + old_fb); goto done; } } @@ -501,7 +503,7 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, /* Set up the DPLL and any encoders state that needs to adjust or depend * on the DPLL. */ - crtc_funcs->mode_set(crtc, mode, adjusted_mode, x, y); + crtc_funcs->mode_set(crtc, mode, adjusted_mode, x, y, old_fb); list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { @@ -564,6 +566,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set) struct drm_device *dev; struct drm_crtc **save_crtcs, *new_crtc; struct drm_encoder **save_encoders, *new_encoder; + struct drm_framebuffer *old_fb; bool save_enabled; bool changed = false; bool flip_or_move = false; @@ -684,13 +687,15 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set) changed = true; if (changed) { + old_fb = set->crtc->fb; set->crtc->fb = set->fb; set->crtc->enabled = (set->mode != NULL); if (set->mode != NULL) { DRM_DEBUG("attempting to set mode from userspace\n"); drm_mode_debug_printmodeline(set->mode); if (!drm_crtc_helper_set_mode(set->crtc, set->mode, - set->x, set->y)) { + set->x, set->y, + old_fb)) { ret = -EINVAL; goto fail_set_mode; } @@ -701,9 +706,10 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set) } drm_helper_disable_unused_functions(dev); } else if (flip_or_move) { + old_fb = set->crtc->fb; if (set->crtc->fb != set->fb) set->crtc->fb = set->fb; - crtc_funcs->mode_set_base(set->crtc, set->x, set->y); + crtc_funcs->mode_set_base(set->crtc, set->x, set->y, old_fb); } kfree(save_encoders); @@ -809,8 +815,8 @@ int drm_helper_resume_force_mode(struct drm_device *dev) if (!crtc->enabled) continue; - ret = drm_crtc_helper_set_mode(crtc, &crtc->mode, crtc->x, - crtc->y); + ret = drm_crtc_helper_set_mode(crtc, &crtc->mode, + crtc->x, crtc->y, crtc->fb); if (ret == false) DRM_ERROR("failed to set mode on crtc %p\n", crtc); |