From: Ville Syrjälä <ville.syrj...@linux.intel.com>

Use drm_connector_for_each_possible_encoder() for iterating
connector->encoder_ids[]. A bit more convenient not having
to deal with the implementation details.

v2: Replace drm_for_each_connector_encoder_ids() with
    drm_connector_for_each_possible_encoder() (Daniel)

Cc: Daniel Vetter <daniel.vet...@ffwll.ch>
Cc: Alex Deucher <alexander.deuc...@amd.com>
Cc: "Christian König" <christian.koe...@amd.com>
Cc: "David (ChunMing) Zhou" <david1.z...@amd.com>
Cc: Harry Wentland <harry.wentl...@amd.com>
Cc: amd-...@lists.freedesktop.org
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com> #v1
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c | 81 +++++++-------------------
 drivers/gpu/drm/amd/amdgpu/dce_virtual.c       | 15 ++---
 2 files changed, 25 insertions(+), 71 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
index 8e66851eb427..881f7cb7ae6e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
@@ -212,30 +212,21 @@ static void
 amdgpu_connector_update_scratch_regs(struct drm_connector *connector,
                                      enum drm_connector_status status)
 {
-       struct drm_encoder *best_encoder = NULL;
-       struct drm_encoder *encoder = NULL;
+       struct drm_encoder *best_encoder;
+       struct drm_encoder *encoder;
        const struct drm_connector_helper_funcs *connector_funcs = 
connector->helper_private;
        bool connected;
        int i;
 
        best_encoder = connector_funcs->best_encoder(connector);
 
-       for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-               if (connector->encoder_ids[i] == 0)
-                       break;
-
-               encoder = drm_encoder_find(connector->dev, NULL,
-                                       connector->encoder_ids[i]);
-               if (!encoder)
-                       continue;
-
+       drm_connector_for_each_possible_encoder(connector, encoder, i) {
                if ((encoder == best_encoder) && (status == 
connector_status_connected))
                        connected = true;
                else
                        connected = false;
 
                amdgpu_atombios_encoder_set_bios_scratch_regs(connector, 
encoder, connected);
-
        }
 }
 
@@ -246,17 +237,11 @@ amdgpu_connector_find_encoder(struct drm_connector 
*connector,
        struct drm_encoder *encoder;
        int i;
 
-       for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-               if (connector->encoder_ids[i] == 0)
-                       break;
-               encoder = drm_encoder_find(connector->dev, NULL,
-                                       connector->encoder_ids[i]);
-               if (!encoder)
-                       continue;
-
+       drm_connector_for_each_possible_encoder(connector, encoder, i) {
                if (encoder->encoder_type == encoder_type)
                        return encoder;
        }
+
        return NULL;
 }
 
@@ -360,11 +345,13 @@ static int amdgpu_connector_ddc_get_modes(struct 
drm_connector *connector)
 static struct drm_encoder *
 amdgpu_connector_best_single_encoder(struct drm_connector *connector)
 {
-       int enc_id = connector->encoder_ids[0];
+       struct drm_encoder *encoder;
+       int i;
+
+       /* pick the first one */
+       drm_connector_for_each_possible_encoder(connector, encoder, i)
+               return encoder;
 
-       /* pick the encoder ids */
-       if (enc_id)
-               return drm_encoder_find(connector->dev, NULL, enc_id);
        return NULL;
 }
 
@@ -985,9 +972,8 @@ amdgpu_connector_dvi_detect(struct drm_connector 
*connector, bool force)
        struct drm_device *dev = connector->dev;
        struct amdgpu_device *adev = dev->dev_private;
        struct amdgpu_connector *amdgpu_connector = 
to_amdgpu_connector(connector);
-       struct drm_encoder *encoder = NULL;
        const struct drm_encoder_helper_funcs *encoder_funcs;
-       int i, r;
+       int r;
        enum drm_connector_status ret = connector_status_disconnected;
        bool dret = false, broken_edid = false;
 
@@ -1077,14 +1063,10 @@ amdgpu_connector_dvi_detect(struct drm_connector 
*connector, bool force)
 
        /* find analog encoder */
        if (amdgpu_connector->dac_load_detect) {
-               for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-                       if (connector->encoder_ids[i] == 0)
-                               break;
-
-                       encoder = drm_encoder_find(connector->dev, NULL, 
connector->encoder_ids[i]);
-                       if (!encoder)
-                               continue;
+               struct drm_encoder *encoder;
+               int i;
 
+               drm_connector_for_each_possible_encoder(connector, encoder, i) {
                        if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
                            encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
                                continue;
@@ -1132,18 +1114,11 @@ amdgpu_connector_dvi_detect(struct drm_connector 
*connector, bool force)
 static struct drm_encoder *
 amdgpu_connector_dvi_encoder(struct drm_connector *connector)
 {
-       int enc_id = connector->encoder_ids[0];
        struct amdgpu_connector *amdgpu_connector = 
to_amdgpu_connector(connector);
        struct drm_encoder *encoder;
        int i;
-       for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-               if (connector->encoder_ids[i] == 0)
-                       break;
-
-               encoder = drm_encoder_find(connector->dev, NULL, 
connector->encoder_ids[i]);
-               if (!encoder)
-                       continue;
 
+       drm_connector_for_each_possible_encoder(connector, encoder, i) {
                if (amdgpu_connector->use_digital == true) {
                        if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
                                return encoder;
@@ -1158,8 +1133,9 @@ amdgpu_connector_dvi_encoder(struct drm_connector 
*connector)
 
        /* then check use digitial */
        /* pick the first one */
-       if (enc_id)
-               return drm_encoder_find(connector->dev, NULL, enc_id);
+       drm_connector_for_each_possible_encoder(connector, encoder, i)
+               return encoder;
+
        return NULL;
 }
 
@@ -1296,15 +1272,7 @@ u16 
amdgpu_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *conn
        struct amdgpu_encoder *amdgpu_encoder;
        int i;
 
-       for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-               if (connector->encoder_ids[i] == 0)
-                       break;
-
-               encoder = drm_encoder_find(connector->dev, NULL,
-                                       connector->encoder_ids[i]);
-               if (!encoder)
-                       continue;
-
+       drm_connector_for_each_possible_encoder(connector, encoder, i) {
                amdgpu_encoder = to_amdgpu_encoder(encoder);
 
                switch (amdgpu_encoder->encoder_id) {
@@ -1326,14 +1294,7 @@ static bool amdgpu_connector_encoder_is_hbr2(struct 
drm_connector *connector)
        int i;
        bool found = false;
 
-       for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-               if (connector->encoder_ids[i] == 0)
-                       break;
-               encoder = drm_encoder_find(connector->dev, NULL,
-                                       connector->encoder_ids[i]);
-               if (!encoder)
-                       continue;
-
+       drm_connector_for_each_possible_encoder(connector, encoder, i) {
                amdgpu_encoder = to_amdgpu_encoder(encoder);
                if (amdgpu_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
                        found = true;
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c 
b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
index dbf2ccd0c744..016f15093173 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
@@ -269,25 +269,18 @@ static int dce_virtual_early_init(void *handle)
 static struct drm_encoder *
 dce_virtual_encoder(struct drm_connector *connector)
 {
-       int enc_id = connector->encoder_ids[0];
        struct drm_encoder *encoder;
        int i;
 
-       for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
-               if (connector->encoder_ids[i] == 0)
-                       break;
-
-               encoder = drm_encoder_find(connector->dev, NULL, 
connector->encoder_ids[i]);
-               if (!encoder)
-                       continue;
-
+       drm_connector_for_each_possible_encoder(connector, encoder, i) {
                if (encoder->encoder_type == DRM_MODE_ENCODER_VIRTUAL)
                        return encoder;
        }
 
        /* pick the first one */
-       if (enc_id)
-               return drm_encoder_find(connector->dev, NULL, enc_id);
+       drm_connector_for_each_possible_encoder(connector, encoder, i)
+               return encoder;
+
        return NULL;
 }
 
-- 
2.16.4

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