diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic.c | 85 |
1 files changed, 74 insertions, 11 deletions
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index a91737adf8e7..0138cf0b8b63 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -63,7 +63,6 @@ EXPORT_SYMBOL(__drm_crtc_commit_free); * hardware and flipped to. * * Returns: - * * 0 on success, a negative error code otherwise. */ int drm_crtc_commit_wait(struct drm_crtc_commit *commit) @@ -337,7 +336,6 @@ EXPORT_SYMBOL(__drm_atomic_state_free); * not created by userspace through an IOCTL call. * * Returns: - * * Either the allocated state or the error code encoded into the pointer. When * the error is EDEADLK then the w/w mutex code has detected a deadlock and the * entire atomic sequence must be restarted. All other errors are fatal. @@ -518,7 +516,6 @@ static int drm_atomic_connector_check(struct drm_connector *connector, * is consistent. * * Returns: - * * Either the allocated state or the error code encoded into the pointer. When * the error is EDEADLK then the w/w mutex code has detected a deadlock and the * entire atomic sequence must be restarted. All other errors are fatal. @@ -608,7 +605,6 @@ static int drm_atomic_plane_check(const struct drm_plane_state *old_plane_state, unsigned int fb_width, fb_height; struct drm_mode_rect *clips; uint32_t num_clips; - int ret; /* either *both* CRTC and FB must be set, or neither */ if (crtc && !fb) { @@ -635,14 +631,12 @@ static int drm_atomic_plane_check(const struct drm_plane_state *old_plane_state, } /* Check whether this plane supports the fb pixel format. */ - ret = drm_plane_check_pixel_format(plane, fb->format->format, - fb->modifier); - if (ret) { + if (!drm_plane_has_format(plane, fb->format->format, fb->modifier)) { drm_dbg_atomic(plane->dev, "[PLANE:%d:%s] invalid pixel format %p4cc, modifier 0x%llx\n", plane->base.id, plane->name, &fb->format->format, fb->modifier); - return ret; + return -EINVAL; } /* Give drivers some help against integer overflows */ @@ -831,7 +825,6 @@ EXPORT_SYMBOL(drm_atomic_private_obj_fini); * object lock to make sure that the state is consistent. * * RETURNS: - * * Either the allocated state or the error code encoded into a pointer. */ struct drm_private_state * @@ -940,6 +933,9 @@ EXPORT_SYMBOL(drm_atomic_get_new_private_obj_state); * state). This is especially true in enable hooks because the pipeline has * changed. * + * If you don't have access to the atomic state, see + * drm_atomic_get_connector_for_encoder(). + * * Returns: The old connector connected to @encoder, or NULL if the encoder is * not connected. */ @@ -974,6 +970,9 @@ EXPORT_SYMBOL(drm_atomic_get_old_connector_for_encoder); * attached to @encoder vs ones that do (and to inspect their state). This is * especially true in disable hooks because the pipeline will change. * + * If you don't have access to the atomic state, see + * drm_atomic_get_connector_for_encoder(). + * * Returns: The new connector connected to @encoder, or NULL if the encoder is * not connected. */ @@ -995,6 +994,59 @@ drm_atomic_get_new_connector_for_encoder(const struct drm_atomic_state *state, EXPORT_SYMBOL(drm_atomic_get_new_connector_for_encoder); /** + * drm_atomic_get_connector_for_encoder - Get connector currently assigned to an encoder + * @encoder: The encoder to find the connector of + * @ctx: Modeset locking context + * + * This function finds and returns the connector currently assigned to + * an @encoder. + * + * It is similar to the drm_atomic_get_old_connector_for_encoder() and + * drm_atomic_get_new_connector_for_encoder() helpers, but doesn't + * require access to the atomic state. If you have access to it, prefer + * using these. This helper is typically useful in situations where you + * don't have access to the atomic state, like detect, link repair, + * threaded interrupt handlers, or hooks from other frameworks (ALSA, + * CEC, etc.). + * + * Returns: + * The connector connected to @encoder, or an error pointer otherwise. + * When the error is EDEADLK, a deadlock has been detected and the + * sequence must be restarted. + */ +struct drm_connector * +drm_atomic_get_connector_for_encoder(const struct drm_encoder *encoder, + struct drm_modeset_acquire_ctx *ctx) +{ + struct drm_connector_list_iter conn_iter; + struct drm_connector *out_connector = ERR_PTR(-EINVAL); + struct drm_connector *connector; + struct drm_device *dev = encoder->dev; + int ret; + + ret = drm_modeset_lock(&dev->mode_config.connection_mutex, ctx); + if (ret) + return ERR_PTR(ret); + + drm_connector_list_iter_begin(dev, &conn_iter); + drm_for_each_connector_iter(connector, &conn_iter) { + if (!connector->state) + continue; + + if (encoder == connector->state->best_encoder) { + out_connector = connector; + break; + } + } + drm_connector_list_iter_end(&conn_iter); + drm_modeset_unlock(&dev->mode_config.connection_mutex); + + return out_connector; +} +EXPORT_SYMBOL(drm_atomic_get_connector_for_encoder); + + +/** * drm_atomic_get_old_crtc_for_encoder - Get old crtc for an encoder * @state: Atomic state * @encoder: The encoder to fetch the crtc state for @@ -1064,7 +1116,6 @@ EXPORT_SYMBOL(drm_atomic_get_new_crtc_for_encoder); * make sure that the state is consistent. * * Returns: - * * Either the allocated state or the error code encoded into the pointer. When * the error is EDEADLK then the w/w mutex code has detected a deadlock and the * entire atomic sequence must be restarted. All other errors are fatal. @@ -1140,9 +1191,22 @@ static void drm_atomic_connector_print_state(struct drm_printer *p, drm_printf(p, "connector[%u]: %s\n", connector->base.id, connector->name); drm_printf(p, "\tcrtc=%s\n", state->crtc ? state->crtc->name : "(null)"); drm_printf(p, "\tself_refresh_aware=%d\n", state->self_refresh_aware); + drm_printf(p, "\tinterlace_allowed=%d\n", connector->interlace_allowed); + drm_printf(p, "\tycbcr_420_allowed=%d\n", connector->ycbcr_420_allowed); drm_printf(p, "\tmax_requested_bpc=%d\n", state->max_requested_bpc); drm_printf(p, "\tcolorspace=%s\n", drm_get_colorspace_name(state->colorspace)); + if (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || + connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) { + drm_printf(p, "\tbroadcast_rgb=%s\n", + drm_hdmi_connector_get_broadcast_rgb_name(state->hdmi.broadcast_rgb)); + drm_printf(p, "\tis_limited_range=%c\n", state->hdmi.is_limited_range ? 'y' : 'n'); + drm_printf(p, "\toutput_bpc=%u\n", state->hdmi.output_bpc); + drm_printf(p, "\toutput_format=%s\n", + drm_hdmi_connector_get_output_format_name(state->hdmi.output_format)); + drm_printf(p, "\ttmds_char_rate=%llu\n", state->hdmi.tmds_char_rate); + } + if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) if (state->writeback_job && state->writeback_job->fb) drm_printf(p, "\tfb=%d\n", state->writeback_job->fb->base.id); @@ -1161,7 +1225,6 @@ static void drm_atomic_connector_print_state(struct drm_printer *p, * state is consistent. * * Returns: - * * Either the allocated state or the error code encoded into the pointer. When * the error is EDEADLK then the w/w mutex code has detected a deadlock and the * entire atomic sequence must be restarted. |