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path: root/drivers/gpu/drm/drm_crtc_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_crtc_helper.c')
-rw-r--r--drivers/gpu/drm/drm_crtc_helper.c57
1 files changed, 24 insertions, 33 deletions
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 6dd49a60deac..93a4eec429e8 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -36,6 +36,7 @@
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_atomic_uapi.h>
+#include <drm/drm_bridge.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
@@ -47,6 +48,8 @@
#include <drm/drm_print.h>
#include <drm/drm_vblank.h>
+#include "drm_crtc_helper_internal.h"
+
/**
* DOC: overview
*
@@ -159,14 +162,10 @@ drm_encoder_disable(struct drm_encoder *encoder)
if (!encoder_funcs)
return;
- drm_bridge_disable(encoder->bridge);
-
if (encoder_funcs->disable)
(*encoder_funcs->disable)(encoder);
else if (encoder_funcs->dpms)
(*encoder_funcs->dpms)(encoder, DRM_MODE_DPMS_OFF);
-
- drm_bridge_post_disable(encoder->bridge);
}
static void __drm_helper_disable_unused_functions(struct drm_device *dev)
@@ -326,13 +325,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
if (!encoder_funcs)
continue;
- ret = drm_bridge_mode_fixup(encoder->bridge,
- mode, adjusted_mode);
- if (!ret) {
- DRM_DEBUG_KMS("Bridge fixup failed\n");
- goto done;
- }
-
encoder_funcs = encoder->helper_private;
if (encoder_funcs->mode_fixup) {
if (!(ret = encoder_funcs->mode_fixup(encoder, mode,
@@ -364,13 +356,9 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
if (!encoder_funcs)
continue;
- drm_bridge_disable(encoder->bridge);
-
/* Disable the encoders as the first thing we do. */
if (encoder_funcs->prepare)
encoder_funcs->prepare(encoder);
-
- drm_bridge_post_disable(encoder->bridge);
}
drm_crtc_prepare_encoders(dev);
@@ -397,8 +385,6 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
encoder->base.id, encoder->name, mode->name);
if (encoder_funcs->mode_set)
encoder_funcs->mode_set(encoder, mode, adjusted_mode);
-
- drm_bridge_mode_set(encoder->bridge, mode, adjusted_mode);
}
/* Now enable the clocks, plane, pipe, and connectors that we set up. */
@@ -413,12 +399,8 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
if (!encoder_funcs)
continue;
- drm_bridge_pre_enable(encoder->bridge);
-
if (encoder_funcs->commit)
encoder_funcs->commit(encoder);
-
- drm_bridge_enable(encoder->bridge);
}
/* Calculate and store various constants which
@@ -480,6 +462,22 @@ drm_crtc_helper_disable(struct drm_crtc *crtc)
__drm_helper_disable_unused_functions(dev);
}
+/*
+ * For connectors that support multiple encoders, either the
+ * .atomic_best_encoder() or .best_encoder() operation must be implemented.
+ */
+struct drm_encoder *
+drm_connector_get_single_encoder(struct drm_connector *connector)
+{
+ struct drm_encoder *encoder;
+
+ WARN_ON(hweight32(connector->possible_encoders) > 1);
+ drm_connector_for_each_possible_encoder(connector, encoder)
+ return encoder;
+
+ return NULL;
+}
+
/**
* drm_crtc_helper_set_config - set a new config from userspace
* @set: mode set configuration
@@ -645,7 +643,11 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set,
new_encoder = connector->encoder;
for (ro = 0; ro < set->num_connectors; ro++) {
if (set->connectors[ro] == connector) {
- new_encoder = connector_funcs->best_encoder(connector);
+ if (connector_funcs->best_encoder)
+ new_encoder = connector_funcs->best_encoder(connector);
+ else
+ new_encoder = drm_connector_get_single_encoder(connector);
+
/* if we can't get an encoder for a connector
we are setting now - then fail */
if (new_encoder == NULL)
@@ -817,25 +819,14 @@ static int drm_helper_choose_encoder_dpms(struct drm_encoder *encoder)
/* Helper which handles bridge ordering around encoder dpms */
static void drm_helper_encoder_dpms(struct drm_encoder *encoder, int mode)
{
- struct drm_bridge *bridge = encoder->bridge;
const struct drm_encoder_helper_funcs *encoder_funcs;
encoder_funcs = encoder->helper_private;
if (!encoder_funcs)
return;
- if (mode == DRM_MODE_DPMS_ON)
- drm_bridge_pre_enable(bridge);
- else
- drm_bridge_disable(bridge);
-
if (encoder_funcs->dpms)
encoder_funcs->dpms(encoder, mode);
-
- if (mode == DRM_MODE_DPMS_ON)
- drm_bridge_enable(bridge);
- else
- drm_bridge_post_disable(bridge);
}
static int drm_helper_choose_crtc_dpms(struct drm_crtc *crtc)
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