From f9b9297b1facb636ee81f03be3658087067babc2 Mon Sep 17 00:00:00 2001 From: Harry Wentland Date: Fri, 13 Jan 2023 11:24:09 -0500 Subject: drm/connector: print max_requested_bpc in state debugfs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is useful to understand the bpc defaults and support of a driver. Signed-off-by: Harry Wentland Cc: Pekka Paalanen Cc: Sebastian Wick Cc: Vitaly.Prosyak@amd.com Cc: Uma Shankar Cc: Ville Syrjälä Cc: Joshua Ashton Cc: Jani Nikula Cc: dri-devel@lists.freedesktop.org Cc: amd-gfx@lists.freedesktop.org Reviewed-By: Joshua Ashton Link: https://patchwork.freedesktop.org/patch/msgid/20230113162428.33874-3-harry.wentland@amd.com --- drivers/gpu/drm/drm_atomic.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/drm_atomic.c') diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 5457c02ca1abc..fed41800fea73 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -1070,6 +1070,7 @@ 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, "\tmax_requested_bpc=%d\n", state->max_requested_bpc); if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) if (state->writeback_job && state->writeback_job->fb) -- cgit v1.2.3 From 7b9a9e35e45def496b0a5b3f206bb4efa712ea4a Mon Sep 17 00:00:00 2001 From: Vinod Polimera Date: Thu, 2 Mar 2023 22:03:04 +0530 Subject: drm: add helper functions to retrieve old and new crtc Add new helper functions, drm_atomic_get_old_crtc_for_encoder and drm_atomic_get_new_crtc_for_encoder to retrieve the corresponding crtc for the encoder. Signed-off-by: Sankeerth Billakanti Signed-off-by: Vinod Polimera Reviewed-by: Douglas Anderson Reviewed-by: Daniel Vetter Patchwork: https://patchwork.freedesktop.org/patch/524718/ Link: https://lore.kernel.org/r/1677774797-31063-2-git-send-email-quic_vpolimer@quicinc.com Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/drm_atomic.c | 60 ++++++++++++++++++++++++++++++++++++++++++++ include/drm/drm_atomic.h | 7 ++++++ 2 files changed, 67 insertions(+) (limited to 'drivers/gpu/drm/drm_atomic.c') diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 5457c02ca1abc..7cc39f6e71352 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -984,6 +984,66 @@ 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_old_crtc_for_encoder - Get old crtc for an encoder + * @state: Atomic state + * @encoder: The encoder to fetch the crtc state for + * + * This function finds and returns the crtc that was connected to @encoder + * as specified by the @state. + * + * Returns: The old crtc connected to @encoder, or NULL if the encoder is + * not connected. + */ +struct drm_crtc * +drm_atomic_get_old_crtc_for_encoder(struct drm_atomic_state *state, + struct drm_encoder *encoder) +{ + struct drm_connector *connector; + struct drm_connector_state *conn_state; + + connector = drm_atomic_get_old_connector_for_encoder(state, encoder); + if (!connector) + return NULL; + + conn_state = drm_atomic_get_old_connector_state(state, connector); + if (!conn_state) + return NULL; + + return conn_state->crtc; +} +EXPORT_SYMBOL(drm_atomic_get_old_crtc_for_encoder); + +/** + * drm_atomic_get_new_crtc_for_encoder - Get new crtc for an encoder + * @state: Atomic state + * @encoder: The encoder to fetch the crtc state for + * + * This function finds and returns the crtc that will be connected to @encoder + * as specified by the @state. + * + * Returns: The new crtc connected to @encoder, or NULL if the encoder is + * not connected. + */ +struct drm_crtc * +drm_atomic_get_new_crtc_for_encoder(struct drm_atomic_state *state, + struct drm_encoder *encoder) +{ + struct drm_connector *connector; + struct drm_connector_state *conn_state; + + connector = drm_atomic_get_new_connector_for_encoder(state, encoder); + if (!connector) + return NULL; + + conn_state = drm_atomic_get_new_connector_state(state, connector); + if (!conn_state) + return NULL; + + return conn_state->crtc; +} +EXPORT_SYMBOL(drm_atomic_get_new_crtc_for_encoder); + /** * drm_atomic_get_connector_state - get connector state * @state: global atomic state object diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index 92586ab55ef5f..9a022caacf936 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -528,6 +528,13 @@ struct drm_connector * drm_atomic_get_new_connector_for_encoder(const struct drm_atomic_state *state, struct drm_encoder *encoder); +struct drm_crtc * +drm_atomic_get_old_crtc_for_encoder(struct drm_atomic_state *state, + struct drm_encoder *encoder); +struct drm_crtc * +drm_atomic_get_new_crtc_for_encoder(struct drm_atomic_state *state, + struct drm_encoder *encoder); + /** * drm_atomic_get_existing_crtc_state - get CRTC state, if it exists * @state: global atomic state object -- cgit v1.2.3