[PATCH v3 11/13] drm/msm/dpu: use drmm-managed allocation for dpu_encoder_phys
Dmitry Baryshkov
dmitry.baryshkov at linaro.org
Sun Jul 30 01:19:18 UTC 2023
Change struct allocation of encoder's phys backend data to use
drmm_kzalloc(). This removes the need to perform any actions on encoder
destruction.
Reviewed-by: Jessica Zhang <quic_jesszhan at quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 9 ++++----
.../gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h | 8 ++++---
.../drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 15 ++++---------
.../drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 13 ++++--------
.../drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 21 ++++---------------
5 files changed, 22 insertions(+), 44 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index f0a2a1dca741..6a7ea73fe6e2 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -2217,6 +2217,7 @@ static void dpu_encoder_early_unregister(struct drm_encoder *encoder)
}
static int dpu_encoder_virt_add_phys_encs(
+ struct drm_device *dev,
struct msm_display_info *disp_info,
struct dpu_encoder_virt *dpu_enc,
struct dpu_enc_phys_init_params *params)
@@ -2238,7 +2239,7 @@ static int dpu_encoder_virt_add_phys_encs(
if (disp_info->intf_type == INTF_WB) {
- enc = dpu_encoder_phys_wb_init(params);
+ enc = dpu_encoder_phys_wb_init(dev, params);
if (IS_ERR(enc)) {
DPU_ERROR_ENC(dpu_enc, "failed to init wb enc: %ld\n",
@@ -2249,7 +2250,7 @@ static int dpu_encoder_virt_add_phys_encs(
dpu_enc->phys_encs[dpu_enc->num_phys_encs] = enc;
++dpu_enc->num_phys_encs;
} else if (disp_info->is_cmd_mode) {
- enc = dpu_encoder_phys_cmd_init(params);
+ enc = dpu_encoder_phys_cmd_init(dev, params);
if (IS_ERR(enc)) {
DPU_ERROR_ENC(dpu_enc, "failed to init cmd enc: %ld\n",
@@ -2260,7 +2261,7 @@ static int dpu_encoder_virt_add_phys_encs(
dpu_enc->phys_encs[dpu_enc->num_phys_encs] = enc;
++dpu_enc->num_phys_encs;
} else {
- enc = dpu_encoder_phys_vid_init(params);
+ enc = dpu_encoder_phys_vid_init(dev, params);
if (IS_ERR(enc)) {
DPU_ERROR_ENC(dpu_enc, "failed to init vid enc: %ld\n",
@@ -2349,7 +2350,7 @@ static int dpu_encoder_setup_display(struct dpu_encoder_virt *dpu_enc,
break;
}
- ret = dpu_encoder_virt_add_phys_encs(disp_info,
+ ret = dpu_encoder_virt_add_phys_encs(dpu_kms->dev, disp_info,
dpu_enc, &phys_params);
if (ret) {
DPU_ERROR_ENC(dpu_enc, "failed to add phys encs\n");
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
index d48558ede488..4fb0d95f3061 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
@@ -281,22 +281,24 @@ struct dpu_encoder_wait_info {
* @p: Pointer to init params structure
* Return: Error code or newly allocated encoder
*/
-struct dpu_encoder_phys *dpu_encoder_phys_vid_init(
+struct dpu_encoder_phys *dpu_encoder_phys_vid_init(struct drm_device *dev,
struct dpu_enc_phys_init_params *p);
/**
* dpu_encoder_phys_cmd_init - Construct a new command mode physical encoder
+ * @dev: Corresponding device for devres management
* @p: Pointer to init params structure
* Return: Error code or newly allocated encoder
*/
-struct dpu_encoder_phys *dpu_encoder_phys_cmd_init(
+struct dpu_encoder_phys *dpu_encoder_phys_cmd_init(struct drm_device *dev,
struct dpu_enc_phys_init_params *p);
/**
* dpu_encoder_phys_wb_init - initialize writeback encoder
+ * @dev: Corresponding device for devres management
* @init: Pointer to init info structure with initialization params
*/
-struct dpu_encoder_phys *dpu_encoder_phys_wb_init(
+struct dpu_encoder_phys *dpu_encoder_phys_wb_init(struct drm_device *dev,
struct dpu_enc_phys_init_params *p);
/**
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
index df88358e7037..4b4bd9c6f6ae 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
@@ -13,6 +13,8 @@
#include "dpu_trace.h"
#include "disp/msm_disp_snapshot.h"
+#include <drm/drm_managed.h>
+
#define DPU_DEBUG_CMDENC(e, fmt, ...) DPU_DEBUG("enc%d intf%d " fmt, \
(e) && (e)->base.parent ? \
(e)->base.parent->base.id : -1, \
@@ -567,14 +569,6 @@ static void dpu_encoder_phys_cmd_disable(struct dpu_encoder_phys *phys_enc)
phys_enc->enable_state = DPU_ENC_DISABLED;
}
-static void dpu_encoder_phys_cmd_destroy(struct dpu_encoder_phys *phys_enc)
-{
- struct dpu_encoder_phys_cmd *cmd_enc =
- to_dpu_encoder_phys_cmd(phys_enc);
-
- kfree(cmd_enc);
-}
-
static void dpu_encoder_phys_cmd_prepare_for_kickoff(
struct dpu_encoder_phys *phys_enc)
{
@@ -740,7 +734,6 @@ static void dpu_encoder_phys_cmd_init_ops(
ops->atomic_mode_set = dpu_encoder_phys_cmd_atomic_mode_set;
ops->enable = dpu_encoder_phys_cmd_enable;
ops->disable = dpu_encoder_phys_cmd_disable;
- ops->destroy = dpu_encoder_phys_cmd_destroy;
ops->control_vblank_irq = dpu_encoder_phys_cmd_control_vblank_irq;
ops->wait_for_commit_done = dpu_encoder_phys_cmd_wait_for_commit_done;
ops->prepare_for_kickoff = dpu_encoder_phys_cmd_prepare_for_kickoff;
@@ -755,7 +748,7 @@ static void dpu_encoder_phys_cmd_init_ops(
ops->get_line_count = dpu_encoder_phys_cmd_get_line_count;
}
-struct dpu_encoder_phys *dpu_encoder_phys_cmd_init(
+struct dpu_encoder_phys *dpu_encoder_phys_cmd_init(struct drm_device *dev,
struct dpu_enc_phys_init_params *p)
{
struct dpu_encoder_phys *phys_enc = NULL;
@@ -763,7 +756,7 @@ struct dpu_encoder_phys *dpu_encoder_phys_cmd_init(
DPU_DEBUG("intf\n");
- cmd_enc = kzalloc(sizeof(*cmd_enc), GFP_KERNEL);
+ cmd_enc = drmm_kzalloc(dev, sizeof(*cmd_enc), GFP_KERNEL);
if (!cmd_enc) {
DPU_ERROR("failed to allocate\n");
return ERR_PTR(-ENOMEM);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
index c2189e58de6a..b61ca4991d0e 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
@@ -11,6 +11,8 @@
#include "dpu_trace.h"
#include "disp/msm_disp_snapshot.h"
+#include <drm/drm_managed.h>
+
#define DPU_DEBUG_VIDENC(e, fmt, ...) DPU_DEBUG("enc%d intf%d " fmt, \
(e) && (e)->parent ? \
(e)->parent->base.id : -1, \
@@ -438,12 +440,6 @@ static void dpu_encoder_phys_vid_enable(struct dpu_encoder_phys *phys_enc)
phys_enc->enable_state = DPU_ENC_ENABLING;
}
-static void dpu_encoder_phys_vid_destroy(struct dpu_encoder_phys *phys_enc)
-{
- DPU_DEBUG_VIDENC(phys_enc, "\n");
- kfree(phys_enc);
-}
-
static int dpu_encoder_phys_vid_wait_for_vblank(
struct dpu_encoder_phys *phys_enc)
{
@@ -681,7 +677,6 @@ static void dpu_encoder_phys_vid_init_ops(struct dpu_encoder_phys_ops *ops)
ops->atomic_mode_set = dpu_encoder_phys_vid_atomic_mode_set;
ops->enable = dpu_encoder_phys_vid_enable;
ops->disable = dpu_encoder_phys_vid_disable;
- ops->destroy = dpu_encoder_phys_vid_destroy;
ops->control_vblank_irq = dpu_encoder_phys_vid_control_vblank_irq;
ops->wait_for_commit_done = dpu_encoder_phys_vid_wait_for_commit_done;
ops->wait_for_vblank = dpu_encoder_phys_vid_wait_for_vblank;
@@ -694,7 +689,7 @@ static void dpu_encoder_phys_vid_init_ops(struct dpu_encoder_phys_ops *ops)
ops->get_frame_count = dpu_encoder_phys_vid_get_frame_count;
}
-struct dpu_encoder_phys *dpu_encoder_phys_vid_init(
+struct dpu_encoder_phys *dpu_encoder_phys_vid_init(struct drm_device *dev,
struct dpu_enc_phys_init_params *p)
{
struct dpu_encoder_phys *phys_enc = NULL;
@@ -704,7 +699,7 @@ struct dpu_encoder_phys *dpu_encoder_phys_vid_init(
return ERR_PTR(-EINVAL);
}
- phys_enc = kzalloc(sizeof(*phys_enc), GFP_KERNEL);
+ phys_enc = drmm_kzalloc(dev, sizeof(*phys_enc), GFP_KERNEL);
if (!phys_enc) {
DPU_ERROR("failed to create encoder due to memory allocation error\n");
return ERR_PTR(-ENOMEM);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
index a466ff70a4d6..9a44a1575682 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
@@ -8,6 +8,7 @@
#include <linux/debugfs.h>
#include <drm/drm_framebuffer.h>
+#include <drm/drm_managed.h>
#include "dpu_encoder_phys.h"
#include "dpu_formats.h"
@@ -552,20 +553,6 @@ static void dpu_encoder_phys_wb_disable(struct dpu_encoder_phys *phys_enc)
phys_enc->enable_state = DPU_ENC_DISABLED;
}
-/**
- * dpu_encoder_phys_wb_destroy - destroy writeback encoder
- * @phys_enc: Pointer to physical encoder
- */
-static void dpu_encoder_phys_wb_destroy(struct dpu_encoder_phys *phys_enc)
-{
- if (!phys_enc)
- return;
-
- DPU_DEBUG("[wb:%d]\n", phys_enc->hw_wb->idx - WB_0);
-
- kfree(phys_enc);
-}
-
static void dpu_encoder_phys_wb_prepare_wb_job(struct dpu_encoder_phys *phys_enc,
struct drm_writeback_job *job)
{
@@ -661,7 +648,6 @@ static void dpu_encoder_phys_wb_init_ops(struct dpu_encoder_phys_ops *ops)
ops->atomic_mode_set = dpu_encoder_phys_wb_atomic_mode_set;
ops->enable = dpu_encoder_phys_wb_enable;
ops->disable = dpu_encoder_phys_wb_disable;
- ops->destroy = dpu_encoder_phys_wb_destroy;
ops->atomic_check = dpu_encoder_phys_wb_atomic_check;
ops->wait_for_commit_done = dpu_encoder_phys_wb_wait_for_commit_done;
ops->prepare_for_kickoff = dpu_encoder_phys_wb_prepare_for_kickoff;
@@ -677,9 +663,10 @@ static void dpu_encoder_phys_wb_init_ops(struct dpu_encoder_phys_ops *ops)
/**
* dpu_encoder_phys_wb_init - initialize writeback encoder
+ * @dev: Corresponding device for devres management
* @p: Pointer to init info structure with initialization params
*/
-struct dpu_encoder_phys *dpu_encoder_phys_wb_init(
+struct dpu_encoder_phys *dpu_encoder_phys_wb_init(struct drm_device *dev,
struct dpu_enc_phys_init_params *p)
{
struct dpu_encoder_phys *phys_enc = NULL;
@@ -692,7 +679,7 @@ struct dpu_encoder_phys *dpu_encoder_phys_wb_init(
return ERR_PTR(-EINVAL);
}
- wb_enc = kzalloc(sizeof(*wb_enc), GFP_KERNEL);
+ wb_enc = drmm_kzalloc(dev, sizeof(*wb_enc), GFP_KERNEL);
if (!wb_enc) {
DPU_ERROR("failed to allocate wb phys_enc enc\n");
return ERR_PTR(-ENOMEM);
--
2.39.2
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