diff options
Diffstat (limited to 'drivers/gpu/drm/drm_crtc_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc_helper.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index bede10a03407..952b3d4fb2a6 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -241,7 +241,7 @@ void drm_helper_disable_unused_functions(struct drm_device *dev) } list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { - if (encoder->crtc && !drm_helper_encoder_in_use(encoder)) { + if (!drm_helper_encoder_in_use(encoder)) { drm_encoder_disable(encoder); /* disconnector encoder from any connector */ encoder->crtc = NULL; @@ -336,7 +336,7 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, struct drm_framebuffer *old_fb) { struct drm_device *dev = crtc->dev; - struct drm_display_mode *adjusted_mode, saved_mode; + struct drm_display_mode *adjusted_mode, saved_mode, saved_hwmode; struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; struct drm_encoder_helper_funcs *encoder_funcs; int saved_x, saved_y; @@ -350,6 +350,7 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, if (!crtc->enabled) return true; + saved_hwmode = crtc->hwmode; saved_mode = crtc->mode; saved_x = crtc->x; saved_y = crtc->y; @@ -427,11 +428,21 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, } + /* Store real post-adjustment hardware mode. */ + crtc->hwmode = *adjusted_mode; + + /* Calculate and store various constants which + * are later needed by vblank and swap-completion + * timestamping. They are derived from true hwmode. + */ + drm_calc_timestamping_constants(crtc); + /* XXX free adjustedmode */ drm_mode_destroy(dev, adjusted_mode); /* FIXME: add subpixel order */ done: if (!ret) { + crtc->hwmode = saved_hwmode; crtc->mode = saved_mode; crtc->x = saved_x; crtc->y = saved_y; @@ -650,6 +661,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set) old_fb)) { DRM_ERROR("failed to set mode on [CRTC:%d]\n", set->crtc->base.id); + set->crtc->fb = old_fb; ret = -EINVAL; goto fail; } @@ -664,8 +676,10 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set) set->crtc->fb = set->fb; ret = crtc_funcs->mode_set_base(set->crtc, set->x, set->y, old_fb); - if (ret != 0) + if (ret != 0) { + set->crtc->fb = old_fb; goto fail; + } } DRM_DEBUG_KMS("Setting connector DPMS state to on\n"); for (i = 0; i < set->num_connectors; i++) { @@ -874,7 +888,10 @@ static void output_poll_execute(struct work_struct *work) continue; connector->status = connector->funcs->detect(connector, false); - DRM_DEBUG_KMS("connector status updated to %d\n", connector->status); + DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %d to %d\n", + connector->base.id, + drm_get_connector_name(connector), + old_status, connector->status); if (old_status != connector->status) changed = true; } |