[PATCH v3 1/7] drm/msm/dpu: merge dpu_encoder_init() and dpu_encoder_setup()
Dmitry Baryshkov
dmitry.baryshkov at linaro.org
Thu Jun 1 17:22:30 UTC 2023
There is no reason to split the dpu_encoder interface into separate
_init() and _setup() phases. Merge them into a single function.
Reviewed-by: Abhinav Kumar <quic_abhinavk at quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 55 +++++--------
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 14 +---
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 87 ++++++++-------------
3 files changed, 56 insertions(+), 100 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index d7cd4734dc7d..d4b759e8f2ae 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -2388,7 +2388,8 @@ static const struct drm_encoder_funcs dpu_encoder_funcs = {
.early_unregister = dpu_encoder_early_unregister,
};
-int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc,
+struct drm_encoder *dpu_encoder_init(struct drm_device *dev,
+ int drm_enc_mode,
struct msm_display_info *disp_info)
{
struct msm_drm_private *priv = dev->dev_private;
@@ -2397,7 +2398,23 @@ int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc,
struct dpu_encoder_virt *dpu_enc = NULL;
int ret = 0;
- dpu_enc = to_dpu_encoder_virt(enc);
+ dpu_enc = devm_kzalloc(dev->dev, sizeof(*dpu_enc), GFP_KERNEL);
+ if (!dpu_enc)
+ return ERR_PTR(-ENOMEM);
+
+ ret = drm_encoder_init(dev, &dpu_enc->base, &dpu_encoder_funcs,
+ drm_enc_mode, NULL);
+ if (ret) {
+ devm_kfree(dev->dev, dpu_enc);
+ return ERR_PTR(ret);
+ }
+
+ drm_encoder_helper_add(&dpu_enc->base, &dpu_encoder_helper_funcs);
+
+ spin_lock_init(&dpu_enc->enc_spinlock);
+ dpu_enc->enabled = false;
+ mutex_init(&dpu_enc->enc_lock);
+ mutex_init(&dpu_enc->rc_lock);
ret = dpu_encoder_setup_display(dpu_enc, dpu_kms, disp_info);
if (ret)
@@ -2426,44 +2443,14 @@ int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc,
DPU_DEBUG_ENC(dpu_enc, "created\n");
- return ret;
+ return &dpu_enc->base;
fail:
DPU_ERROR("failed to create encoder\n");
if (drm_enc)
dpu_encoder_destroy(drm_enc);
- return ret;
-
-
-}
-
-struct drm_encoder *dpu_encoder_init(struct drm_device *dev,
- int drm_enc_mode)
-{
- struct dpu_encoder_virt *dpu_enc = NULL;
- int rc = 0;
-
- dpu_enc = devm_kzalloc(dev->dev, sizeof(*dpu_enc), GFP_KERNEL);
- if (!dpu_enc)
- return ERR_PTR(-ENOMEM);
-
-
- rc = drm_encoder_init(dev, &dpu_enc->base, &dpu_encoder_funcs,
- drm_enc_mode, NULL);
- if (rc) {
- devm_kfree(dev->dev, dpu_enc);
- return ERR_PTR(rc);
- }
-
- drm_encoder_helper_add(&dpu_enc->base, &dpu_encoder_helper_funcs);
-
- spin_lock_init(&dpu_enc->enc_spinlock);
- dpu_enc->enabled = false;
- mutex_init(&dpu_enc->enc_lock);
- mutex_init(&dpu_enc->rc_lock);
-
- return &dpu_enc->base;
+ return ERR_PTR(ret);
}
int dpu_encoder_wait_for_event(struct drm_encoder *drm_enc,
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
index 6d14f84dd43f..90e1925d7770 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
@@ -130,20 +130,12 @@ void dpu_encoder_virt_runtime_resume(struct drm_encoder *encoder);
/**
* dpu_encoder_init - initialize virtual encoder object
* @dev: Pointer to drm device structure
+ * @drm_enc_mode: corresponding DRM_MODE_ENCODER_* constant
* @disp_info: Pointer to display information structure
* Returns: Pointer to newly created drm encoder
*/
-struct drm_encoder *dpu_encoder_init(
- struct drm_device *dev,
- int drm_enc_mode);
-
-/**
- * dpu_encoder_setup - setup dpu_encoder for the display probed
- * @dev: Pointer to drm device structure
- * @enc: Pointer to the drm_encoder
- * @disp_info: Pointer to the display info
- */
-int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc,
+struct drm_encoder *dpu_encoder_init(struct drm_device *dev,
+ int drm_enc_mode,
struct msm_display_info *disp_info);
/**
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 8ce057cc9374..70a17ef8281f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -535,15 +535,23 @@ static int _dpu_kms_initialize_dsi(struct drm_device *dev,
!msm_dsi_is_master_dsi(priv->dsi[i]))
continue;
- encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_DSI);
+ memset(&info, 0, sizeof(info));
+ info.intf_type = INTF_DSI;
+
+ info.h_tile_instance[info.num_of_h_tiles++] = i;
+ if (msm_dsi_is_bonded_dsi(priv->dsi[i]))
+ info.h_tile_instance[info.num_of_h_tiles++] = other;
+
+ info.is_cmd_mode = msm_dsi_is_cmd_mode(priv->dsi[i]);
+
+ info.dsc = msm_dsi_get_dsc_config(priv->dsi[i]);
+
+ encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_DSI, &info);
if (IS_ERR(encoder)) {
DPU_ERROR("encoder init failed for dsi display\n");
return PTR_ERR(encoder);
}
- memset(&info, 0, sizeof(info));
- info.intf_type = INTF_DSI;
-
rc = msm_dsi_modeset_init(priv->dsi[i], dev, encoder);
if (rc) {
DPU_ERROR("modeset_init failed for dsi[%d], rc = %d\n",
@@ -551,11 +559,6 @@ static int _dpu_kms_initialize_dsi(struct drm_device *dev,
break;
}
- info.h_tile_instance[info.num_of_h_tiles++] = i;
- info.is_cmd_mode = msm_dsi_is_cmd_mode(priv->dsi[i]);
-
- info.dsc = msm_dsi_get_dsc_config(priv->dsi[i]);
-
if (msm_dsi_is_bonded_dsi(priv->dsi[i]) && priv->dsi[other]) {
rc = msm_dsi_modeset_init(priv->dsi[other], dev, encoder);
if (rc) {
@@ -563,14 +566,7 @@ static int _dpu_kms_initialize_dsi(struct drm_device *dev,
other, rc);
break;
}
-
- info.h_tile_instance[info.num_of_h_tiles++] = other;
}
-
- rc = dpu_encoder_setup(dev, encoder, &info);
- if (rc)
- DPU_ERROR("failed to setup DPU encoder %d: rc:%d\n",
- encoder->base.id, rc);
}
return rc;
@@ -589,29 +585,23 @@ static int _dpu_kms_initialize_displayport(struct drm_device *dev,
if (!priv->dp[i])
continue;
- encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_TMDS);
+ memset(&info, 0, sizeof(info));
+ info.num_of_h_tiles = 1;
+ info.h_tile_instance[0] = i;
+ info.intf_type = INTF_DP;
+
+ encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_TMDS, &info);
if (IS_ERR(encoder)) {
DPU_ERROR("encoder init failed for dsi display\n");
return PTR_ERR(encoder);
}
- memset(&info, 0, sizeof(info));
rc = msm_dp_modeset_init(priv->dp[i], dev, encoder);
if (rc) {
DPU_ERROR("modeset_init failed for DP, rc = %d\n", rc);
drm_encoder_cleanup(encoder);
return rc;
}
-
- info.num_of_h_tiles = 1;
- info.h_tile_instance[0] = i;
- info.intf_type = INTF_DP;
- rc = dpu_encoder_setup(dev, encoder, &info);
- if (rc) {
- DPU_ERROR("failed to setup DPU encoder %d: rc:%d\n",
- encoder->base.id, rc);
- return rc;
- }
}
return 0;
@@ -628,13 +618,17 @@ static int _dpu_kms_initialize_hdmi(struct drm_device *dev,
if (!priv->hdmi)
return 0;
- encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_TMDS);
+ memset(&info, 0, sizeof(info));
+ info.num_of_h_tiles = 1;
+ info.h_tile_instance[0] = 0;
+ info.intf_type = INTF_HDMI;
+
+ encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_TMDS, &info);
if (IS_ERR(encoder)) {
DPU_ERROR("encoder init failed for HDMI display\n");
return PTR_ERR(encoder);
}
- memset(&info, 0, sizeof(info));
rc = msm_hdmi_modeset_init(priv->hdmi, dev, encoder);
if (rc) {
DPU_ERROR("modeset_init failed for DP, rc = %d\n", rc);
@@ -642,16 +636,6 @@ static int _dpu_kms_initialize_hdmi(struct drm_device *dev,
return rc;
}
- info.num_of_h_tiles = 1;
- info.h_tile_instance[0] = 0;
- info.intf_type = INTF_HDMI;
- rc = dpu_encoder_setup(dev, encoder, &info);
- if (rc) {
- DPU_ERROR("failed to setup DPU encoder %d: rc:%d\n",
- encoder->base.id, rc);
- return rc;
- }
-
return 0;
}
@@ -663,14 +647,19 @@ static int _dpu_kms_initialize_writeback(struct drm_device *dev,
struct msm_display_info info;
int rc;
- encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_VIRTUAL);
+ memset(&info, 0, sizeof(info));
+
+ info.num_of_h_tiles = 1;
+ /* use only WB idx 2 instance for DPU */
+ info.h_tile_instance[0] = WB_2;
+ info.intf_type = INTF_WB;
+
+ encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_VIRTUAL, &info);
if (IS_ERR(encoder)) {
DPU_ERROR("encoder init failed for dsi display\n");
return PTR_ERR(encoder);
}
- memset(&info, 0, sizeof(info));
-
rc = dpu_writeback_init(dev, encoder, wb_formats,
n_formats);
if (rc) {
@@ -679,18 +668,6 @@ static int _dpu_kms_initialize_writeback(struct drm_device *dev,
return rc;
}
- info.num_of_h_tiles = 1;
- /* use only WB idx 2 instance for DPU */
- info.h_tile_instance[0] = WB_2;
- info.intf_type = INTF_WB;
-
- rc = dpu_encoder_setup(dev, encoder, &info);
- if (rc) {
- DPU_ERROR("failed to setup DPU encoder %d: rc:%d\n",
- encoder->base.id, rc);
- return rc;
- }
-
return 0;
}
--
2.39.2
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