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path: root/drivers/gpu/drm/rcar-du/rcar_du_kms.c
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Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_kms.c')
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_kms.c79
1 files changed, 30 insertions, 49 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index 9c7007d45408..3b7d50a8fb9b 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -7,14 +7,15 @@
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
*/
-#include <drm/drmP.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
+#include <drm/drm_device.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_vblank.h>
#include <linux/of_graph.h>
#include <linux/wait.h>
@@ -278,6 +279,28 @@ static int rcar_du_atomic_check(struct drm_device *dev,
static void rcar_du_atomic_commit_tail(struct drm_atomic_state *old_state)
{
struct drm_device *dev = old_state->dev;
+ struct rcar_du_device *rcdu = dev->dev_private;
+ struct drm_crtc_state *crtc_state;
+ struct drm_crtc *crtc;
+ unsigned int i;
+
+ /*
+ * Store RGB routing to DPAD0 and DPAD1, the hardware will be configured
+ * when starting the CRTCs.
+ */
+ rcdu->dpad1_source = -1;
+
+ for_each_new_crtc_in_state(old_state, crtc, crtc_state, i) {
+ struct rcar_du_crtc_state *rcrtc_state =
+ to_rcar_crtc_state(crtc_state);
+ struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc);
+
+ if (rcrtc_state->outputs & BIT(RCAR_DU_OUTPUT_DPAD0))
+ rcdu->dpad0_source = rcrtc->index;
+
+ if (rcrtc_state->outputs & BIT(RCAR_DU_OUTPUT_DPAD1))
+ rcdu->dpad1_source = rcrtc->index;
+ }
/* Apply the atomic update. */
drm_atomic_helper_commit_modeset_disables(dev, old_state);
@@ -309,17 +332,10 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
enum rcar_du_output output,
struct of_endpoint *ep)
{
- struct device_node *connector = NULL;
- struct device_node *encoder = NULL;
- struct device_node *ep_node = NULL;
- struct device_node *entity_ep_node;
struct device_node *entity;
int ret;
- /*
- * Locate the connected entity and infer its type from the number of
- * endpoints.
- */
+ /* Locate the connected entity and initialize the encoder. */
entity = of_graph_get_remote_port_parent(ep->local_node);
if (!entity) {
dev_dbg(rcdu->dev, "unconnected endpoint %pOF, skipping\n",
@@ -331,52 +347,17 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu,
dev_dbg(rcdu->dev,
"connected entity %pOF is disabled, skipping\n",
entity);
+ of_node_put(entity);
return -ENODEV;
}
- entity_ep_node = of_graph_get_remote_endpoint(ep->local_node);
-
- for_each_endpoint_of_node(entity, ep_node) {
- if (ep_node == entity_ep_node)
- continue;
-
- /*
- * We've found one endpoint other than the input, this must
- * be an encoder. Locate the connector.
- */
- encoder = entity;
- connector = of_graph_get_remote_port_parent(ep_node);
- of_node_put(ep_node);
-
- if (!connector) {
- dev_warn(rcdu->dev,
- "no connector for encoder %pOF, skipping\n",
- encoder);
- of_node_put(entity_ep_node);
- of_node_put(encoder);
- return -ENODEV;
- }
-
- break;
- }
-
- of_node_put(entity_ep_node);
-
- if (!encoder) {
- dev_warn(rcdu->dev,
- "no encoder found for endpoint %pOF, skipping\n",
- ep->local_node);
- return -ENODEV;
- }
-
- ret = rcar_du_encoder_init(rcdu, output, encoder, connector);
+ ret = rcar_du_encoder_init(rcdu, output, entity);
if (ret && ret != -EPROBE_DEFER)
dev_warn(rcdu->dev,
"failed to initialize encoder %pOF on output %u (%d), skipping\n",
- encoder, output, ret);
+ entity, output, ret);
- of_node_put(encoder);
- of_node_put(connector);
+ of_node_put(entity);
return ret;
}