dp_bridge's functions are thin wrappers around the msm_dp_display_*
family. Squash dp_bridge callbacks into respective msm_dp_display
functions, removing the latter functions from public space.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
drivers/gpu/drm/msm/Makefile | 1 -
drivers/gpu/drm/msm/dp/dp_display.c | 184 +++++++++++++++++++++--
drivers/gpu/drm/msm/dp/dp_display.h | 3 -
drivers/gpu/drm/msm/dp/dp_drm.c | 220 ----------------------------
drivers/gpu/drm/msm/msm_drv.h | 32 +---
5 files changed, 171 insertions(+), 269 deletions(-)
delete mode 100644 drivers/gpu/drm/msm/dp/dp_drm.c
diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile
index 03ab55c37beb..354ccf793f4a 100644
--- a/drivers/gpu/drm/msm/Makefile
+++ b/drivers/gpu/drm/msm/Makefile
@@ -104,7 +104,6 @@ msm-$(CONFIG_DRM_MSM_DP)+= dp/dp_aux.o \
dp/dp_catalog.o \
dp/dp_ctrl.o \
dp/dp_display.o \
- dp/dp_drm.o \
dp/dp_hpd.o \
dp/dp_link.o \
dp/dp_panel.o \
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index 539aac117184..7b4f40cb9a58 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -10,7 +10,9 @@
#include <linux/component.h>
#include <linux/of_irq.h>
#include <linux/delay.h>
-#include <drm/drm_panel.h>
+
+#include <drm/drm_bridge.h>
+#include <drm/drm_bridge_connector.h>
#include "msm_drv.h"
#include "msm_kms.h"
@@ -30,6 +32,13 @@
#define HPD_STRING_SIZE 30
+struct msm_dp_bridge {
+ struct drm_bridge bridge;
+ struct msm_dp *dp_display;
+};
+
+#define to_dp_display(x) container_of((x), struct msm_dp_bridge, bridge)
+
enum {
ISR_DISCONNECTED,
ISR_CONNECT_PENDING,
@@ -924,18 +933,30 @@ int dp_display_set_plugged_cb(struct msm_dp *dp_display,
return 0;
}
-int dp_display_validate_mode(struct msm_dp *dp, u32 mode_pclk_khz)
+static enum drm_mode_status dp_bridge_mode_valid(
+ struct drm_bridge *bridge,
+ const struct drm_display_info *info,
+ const struct drm_display_mode *mode)
{
const u32 num_components = 3, default_bpp = 24;
struct dp_display_private *dp_display;
struct dp_link_info *link_info;
u32 mode_rate_khz = 0, supported_rate_khz = 0, mode_bpp = 0;
+ struct msm_dp *dp;
+ int mode_pclk_khz = mode->clock;
+
+ dp = to_dp_display(bridge)->dp_display;
if (!dp || !mode_pclk_khz || !dp->connector) {
DRM_ERROR("invalid params\n");
return -EINVAL;
}
+ if ((dp->max_pclk_khz <= 0) ||
+ (dp->max_pclk_khz > DP_MAX_PIXEL_CLK_KHZ) ||
+ (mode->clock > dp->max_pclk_khz))
+ return MODE_BAD;
+
dp_display = container_of(dp, struct dp_display_private, dp_display);
link_info = &dp_display->panel->link_info;
@@ -1456,6 +1477,23 @@ void msm_dp_debugfs_init(struct msm_dp *dp_display, struct drm_minor *minor)
}
}
+/* connector initialization */
+struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display)
+{
+ struct drm_connector *connector = NULL;
+
+ connector = drm_bridge_connector_init(dp_display->drm_dev, dp_display->encoder);
+ if (IS_ERR(connector))
+ return connector;
+
+ drm_connector_attach_encoder(connector, dp_display->encoder);
+
+ return connector;
+}
+
+static struct drm_bridge *msm_dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev,
+ struct drm_encoder *encoder);
+
int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev,
struct drm_encoder *encoder)
{
@@ -1501,8 +1539,10 @@ int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev,
return 0;
}
-int msm_dp_display_enable(struct msm_dp *dp, struct drm_encoder *encoder)
+static void dp_bridge_enable(struct drm_bridge *drm_bridge)
{
+ struct msm_dp_bridge *dp_bridge = to_dp_display(drm_bridge);
+ struct msm_dp *dp = dp_bridge->dp_display;
int rc = 0;
struct dp_display_private *dp_display;
u32 state;
@@ -1510,7 +1550,7 @@ int msm_dp_display_enable(struct msm_dp *dp, struct drm_encoder *encoder)
dp_display = container_of(dp, struct dp_display_private, dp_display);
if (!dp_display->dp_mode.drm_mode.clock) {
DRM_ERROR("invalid params\n");
- return -EINVAL;
+ return;
}
mutex_lock(&dp_display->event_mutex);
@@ -1522,14 +1562,14 @@ int msm_dp_display_enable(struct msm_dp *dp, struct drm_encoder *encoder)
if (rc) {
DRM_ERROR("Failed to perform a mode set, rc=%d\n", rc);
mutex_unlock(&dp_display->event_mutex);
- return rc;
+ return;
}
rc = dp_display_prepare(dp);
if (rc) {
DRM_ERROR("DP display prepare failed, rc=%d\n", rc);
mutex_unlock(&dp_display->event_mutex);
- return rc;
+ return;
}
state = dp_display->hpd_state;
@@ -1554,23 +1594,23 @@ int msm_dp_display_enable(struct msm_dp *dp, struct drm_encoder *encoder)
dp_display->hpd_state = ST_CONNECTED;
mutex_unlock(&dp_display->event_mutex);
-
- return rc;
}
-int msm_dp_display_pre_disable(struct msm_dp *dp, struct drm_encoder *encoder)
+static void dp_bridge_disable(struct drm_bridge *drm_bridge)
{
+ struct msm_dp_bridge *dp_bridge = to_dp_display(drm_bridge);
+ struct msm_dp *dp = dp_bridge->dp_display;
struct dp_display_private *dp_display;
dp_display = container_of(dp, struct dp_display_private, dp_display);
dp_ctrl_push_idle(dp_display->ctrl);
-
- return 0;
}
-int msm_dp_display_disable(struct msm_dp *dp, struct drm_encoder *encoder)
+static void dp_bridge_post_disable(struct drm_bridge *drm_bridge)
{
+ struct msm_dp_bridge *dp_bridge = to_dp_display(drm_bridge);
+ struct msm_dp *dp = dp_bridge->dp_display;
int rc = 0;
u32 state;
struct dp_display_private *dp_display;
@@ -1597,13 +1637,14 @@ int msm_dp_display_disable(struct msm_dp *dp, struct drm_encoder *encoder)
}
mutex_unlock(&dp_display->event_mutex);
- return rc;
}
-void msm_dp_display_mode_set(struct msm_dp *dp, struct drm_encoder *encoder,
+static void dp_bridge_mode_set(struct drm_bridge *drm_bridge,
const struct drm_display_mode *mode,
const struct drm_display_mode *adjusted_mode)
{
+ struct msm_dp_bridge *dp_bridge = to_dp_display(drm_bridge);
+ struct msm_dp *dp = dp_bridge->dp_display;
struct dp_display_private *dp_display;
dp_display = container_of(dp, struct dp_display_private, dp_display);
@@ -1626,3 +1667,118 @@ void msm_dp_display_mode_set(struct msm_dp *dp, struct drm_encoder *encoder,
dp_display->dp_mode.h_active_low =
!!(dp_display->dp_mode.drm_mode.flags & DRM_MODE_FLAG_NHSYNC);
}
+
+static enum drm_connector_status dp_bridge_detect(struct drm_bridge *bridge)
+{
+ struct msm_dp *dp;
+
+ dp = to_dp_display(bridge)->dp_display;
+
+ DRM_DEBUG_DP("is_connected = %s\n",
+ (dp->is_connected) ? "true" : "false");
+
+ return (dp->is_connected) ? connector_status_connected :
+ connector_status_disconnected;
+}
+
+static int dp_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector *connector)
+{
+ int rc = 0;
+ struct msm_dp *dp;
+ struct dp_display_mode *dp_mode = NULL;
+ struct drm_display_mode *m, drm_mode;
+
+ if (!connector)
+ return 0;
+
+ dp = to_dp_display(bridge)->dp_display;
+
+ dp_mode = kzalloc(sizeof(*dp_mode), GFP_KERNEL);
+ if (!dp_mode)
+ return 0;
+
+ /* pluggable case assumes EDID is read when HPD */
+ if (dp->is_connected) {
+ /*
+ *The get_modes() function might return one mode that is stored
+ * in dp_mode when compliance test is in progress. If not, the
+ * return value is equal to the total number of modes supported
+ * by the sink
+ */
+ rc = dp_display_get_modes(dp, dp_mode);
+ if (rc <= 0) {
+ DRM_ERROR("failed to get DP sink modes, rc=%d\n", rc);
+ kfree(dp_mode);
+ return rc;
+ }
+ if (dp_mode->drm_mode.clock) { /* valid DP mode */
+ memset(&drm_mode, 0x0, sizeof(drm_mode));
+ drm_mode_copy(&drm_mode, &dp_mode->drm_mode);
+ m = drm_mode_duplicate(connector->dev, &drm_mode);
+ if (!m) {
+ DRM_ERROR("failed to add mode %ux%u\n",
+ drm_mode.hdisplay,
+ drm_mode.vdisplay);
+ kfree(dp_mode);
+ return 0;
+ }
+ drm_mode_probed_add(connector, m);
+ }
+ } else {
+ DRM_DEBUG_DP("No sink connected\n");
+ }
+ kfree(dp_mode);
+ return rc;
+}
+
+static const struct drm_bridge_funcs dp_bridge_ops = {
+ .enable = dp_bridge_enable,
+ .disable = dp_bridge_disable,
+ .post_disable = dp_bridge_post_disable,
+ .mode_set = dp_bridge_mode_set,
+ .mode_valid = dp_bridge_mode_valid,
+ .get_modes = dp_bridge_get_modes,
+ .detect = dp_bridge_detect,
+};
+
+static struct drm_bridge *msm_dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev,
+ struct drm_encoder *encoder)
+{
+ int rc;
+ struct msm_dp_bridge *dp_bridge;
+ struct drm_bridge *bridge;
+
+ dp_bridge = devm_kzalloc(dev->dev, sizeof(*dp_bridge), GFP_KERNEL);
+ if (!dp_bridge)
+ return ERR_PTR(-ENOMEM);
+
+ dp_bridge->dp_display = dp_display;
+
+ bridge = &dp_bridge->bridge;
+ bridge->funcs = &dp_bridge_ops;
+ bridge->type = DRM_MODE_CONNECTOR_DisplayPort;
+
+ bridge->ops =
+ DRM_BRIDGE_OP_DETECT |
+ DRM_BRIDGE_OP_HPD |
+ DRM_BRIDGE_OP_MODES;
+
+ rc = drm_bridge_attach(encoder, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR);
+ if (rc) {
+ DRM_ERROR("failed to attach bridge, rc=%d\n", rc);
+ return ERR_PTR(rc);
+ }
+
+ if (dp_display->next_bridge) {
+ rc = drm_bridge_attach(dp_display->encoder,
+ dp_display->next_bridge, bridge,
+ DRM_BRIDGE_ATTACH_NO_CONNECTOR);
+ if (rc < 0) {
+ DRM_ERROR("failed to attach panel bridge: %d\n", rc);
+ drm_bridge_remove(bridge);
+ return ERR_PTR(rc);
+ }
+ }
+
+ return bridge;
+}
diff --git a/drivers/gpu/drm/msm/dp/dp_display.h b/drivers/gpu/drm/msm/dp/dp_display.h
index 7af2b186d2d9..cabf439af9ee 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.h
+++ b/drivers/gpu/drm/msm/dp/dp_display.h
@@ -32,9 +32,6 @@ struct msm_dp {
int dp_display_set_plugged_cb(struct msm_dp *dp_display,
hdmi_codec_plugged_cb fn, struct device *codec_dev);
-int dp_display_validate_mode(struct msm_dp *dp_display, u32 mode_pclk_khz);
-int dp_display_get_modes(struct msm_dp *dp_display,
- struct dp_display_mode *dp_mode);
int dp_display_request_irq(struct msm_dp *dp_display);
bool dp_display_check_video_test(struct msm_dp *dp_display);
int dp_display_get_test_bpp(struct msm_dp *dp_display);
diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
deleted file mode 100644
index 5f093d90d227..000000000000
--- a/drivers/gpu/drm/msm/dp/dp_drm.c
+++ /dev/null
@@ -1,220 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
- */
-
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_atomic.h>
-#include <drm/drm_bridge.h>
-#include <drm/drm_bridge_connector.h>
-#include <drm/drm_crtc.h>
-
-#include "msm_drv.h"
-#include "msm_kms.h"
-#include "dp_drm.h"
-
-
-struct msm_dp_bridge {
- struct drm_bridge bridge;
- struct msm_dp *dp_display;
-};
-
-#define to_dp_display(x) container_of((x), struct msm_dp_bridge, bridge)
-
-/**
- * dp_bridge_detect - callback to determine if connector is connected
- * @bridge: Pointer to drm bridge structure
- * Returns: Bridge's 'is connected' status
- */
-static enum drm_connector_status dp_bridge_detect(struct drm_bridge *bridge)
-{
- struct msm_dp *dp;
-
- dp = to_dp_display(bridge)->dp_display;
-
- DRM_DEBUG_DP("is_connected = %s\n",
- (dp->is_connected) ? "true" : "false");
-
- return (dp->is_connected) ? connector_status_connected :
- connector_status_disconnected;
-}
-
-/**
- * dp_connector_get_modes - callback to add drm modes via drm_mode_probed_add()
- * @bridge: Poiner to drm bridge
- * @connector: Pointer to drm connector structure
- * Returns: Number of modes added
- */
-static int dp_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector *connector)
-{
- int rc = 0;
- struct msm_dp *dp;
- struct dp_display_mode *dp_mode = NULL;
- struct drm_display_mode *m, drm_mode;
-
- if (!connector)
- return 0;
-
- dp = to_dp_display(bridge)->dp_display;
-
- dp_mode = kzalloc(sizeof(*dp_mode), GFP_KERNEL);
- if (!dp_mode)
- return 0;
-
- /* pluggable case assumes EDID is read when HPD */
- if (dp->is_connected) {
- /*
- *The get_modes() function might return one mode that is stored
- * in dp_mode when compliance test is in progress. If not, the
- * return value is equal to the total number of modes supported
- * by the sink
- */
- rc = dp_display_get_modes(dp, dp_mode);
- if (rc <= 0) {
- DRM_ERROR("failed to get DP sink modes, rc=%d\n", rc);
- kfree(dp_mode);
- return rc;
- }
- if (dp_mode->drm_mode.clock) { /* valid DP mode */
- memset(&drm_mode, 0x0, sizeof(drm_mode));
- drm_mode_copy(&drm_mode, &dp_mode->drm_mode);
- m = drm_mode_duplicate(connector->dev, &drm_mode);
- if (!m) {
- DRM_ERROR("failed to add mode %ux%u\n",
- drm_mode.hdisplay,
- drm_mode.vdisplay);
- kfree(dp_mode);
- return 0;
- }
- drm_mode_probed_add(connector, m);
- }
- } else {
- DRM_DEBUG_DP("No sink connected\n");
- }
- kfree(dp_mode);
- return rc;
-}
-
-/**
- * dp_bridge_mode_valid - callback to determine if specified mode is valid
- * @bridge: Pointer to drm bridge structure
- * @info: display info
- * @mode: Pointer to drm mode structure
- * Returns: Validity status for specified mode
- */
-static enum drm_mode_status dp_bridge_mode_valid(
- struct drm_bridge *bridge,
- const struct drm_display_info *info,
- const struct drm_display_mode *mode)
-{
- struct msm_dp *dp_disp;
-
- dp_disp = to_dp_display(bridge)->dp_display;
-
- if ((dp_disp->max_pclk_khz <= 0) ||
- (dp_disp->max_pclk_khz > DP_MAX_PIXEL_CLK_KHZ) ||
- (mode->clock > dp_disp->max_pclk_khz))
- return MODE_BAD;
-
- return dp_display_validate_mode(dp_disp, mode->clock);
-}
-
-static void dp_bridge_mode_set(struct drm_bridge *drm_bridge,
- const struct drm_display_mode *mode,
- const struct drm_display_mode *adjusted_mode)
-{
- struct msm_dp_bridge *dp_bridge = to_dp_display(drm_bridge);
- struct msm_dp *dp_display = dp_bridge->dp_display;
-
- msm_dp_display_mode_set(dp_display, drm_bridge->encoder, mode, adjusted_mode);
-}
-
-static void dp_bridge_enable(struct drm_bridge *drm_bridge)
-{
- struct msm_dp_bridge *dp_bridge = to_dp_display(drm_bridge);
- struct msm_dp *dp_display = dp_bridge->dp_display;
-
- msm_dp_display_enable(dp_display, drm_bridge->encoder);
-}
-
-static void dp_bridge_disable(struct drm_bridge *drm_bridge)
-{
- struct msm_dp_bridge *dp_bridge = to_dp_display(drm_bridge);
- struct msm_dp *dp_display = dp_bridge->dp_display;
-
- msm_dp_display_pre_disable(dp_display, drm_bridge->encoder);
-}
-
-static void dp_bridge_post_disable(struct drm_bridge *drm_bridge)
-{
- struct msm_dp_bridge *dp_bridge = to_dp_display(drm_bridge);
- struct msm_dp *dp_display = dp_bridge->dp_display;
-
- msm_dp_display_disable(dp_display, drm_bridge->encoder);
-}
-
-static const struct drm_bridge_funcs dp_bridge_ops = {
- .enable = dp_bridge_enable,
- .disable = dp_bridge_disable,
- .post_disable = dp_bridge_post_disable,
- .mode_set = dp_bridge_mode_set,
- .mode_valid = dp_bridge_mode_valid,
- .get_modes = dp_bridge_get_modes,
- .detect = dp_bridge_detect,
-};
-
-struct drm_bridge *msm_dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev,
- struct drm_encoder *encoder)
-{
- int rc;
- struct msm_dp_bridge *dp_bridge;
- struct drm_bridge *bridge;
-
- dp_bridge = devm_kzalloc(dev->dev, sizeof(*dp_bridge), GFP_KERNEL);
- if (!dp_bridge)
- return ERR_PTR(-ENOMEM);
-
- dp_bridge->dp_display = dp_display;
-
- bridge = &dp_bridge->bridge;
- bridge->funcs = &dp_bridge_ops;
- bridge->type = DRM_MODE_CONNECTOR_DisplayPort;
-
- bridge->ops =
- DRM_BRIDGE_OP_DETECT |
- DRM_BRIDGE_OP_HPD |
- DRM_BRIDGE_OP_MODES;
-
- rc = drm_bridge_attach(encoder, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR);
- if (rc) {
- DRM_ERROR("failed to attach bridge, rc=%d\n", rc);
- return ERR_PTR(rc);
- }
-
- if (dp_display->next_bridge) {
- rc = drm_bridge_attach(dp_display->encoder,
- dp_display->next_bridge, bridge,
- DRM_BRIDGE_ATTACH_NO_CONNECTOR);
- if (rc < 0) {
- DRM_ERROR("failed to attach panel bridge: %d\n", rc);
- drm_bridge_remove(bridge);
- return ERR_PTR(rc);
- }
- }
-
- return bridge;
-}
-
-/* connector initialization */
-struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display)
-{
- struct drm_connector *connector = NULL;
-
- connector = drm_bridge_connector_init(dp_display->drm_dev, dp_display->encoder);
- if (IS_ERR(connector))
- return connector;
-
- drm_connector_attach_encoder(connector, dp_display->encoder);
-
- return connector;
-}
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index d7574e6bd4e4..a48e0737692c 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -385,16 +385,7 @@ int __init msm_dp_register(void);
void __exit msm_dp_unregister(void);
int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev,
struct drm_encoder *encoder);
-int msm_dp_display_enable(struct msm_dp *dp, struct drm_encoder *encoder);
-int msm_dp_display_disable(struct msm_dp *dp, struct drm_encoder *encoder);
-int msm_dp_display_pre_disable(struct msm_dp *dp, struct drm_encoder *encoder);
-void msm_dp_display_mode_set(struct msm_dp *dp, struct drm_encoder *encoder,
- const struct drm_display_mode *mode,
- const struct drm_display_mode *adjusted_mode);
-
-struct drm_bridge *msm_dp_bridge_init(struct msm_dp *dp_display,
- struct drm_device *dev,
- struct drm_encoder *encoder);
+
void msm_dp_irq_postinstall(struct msm_dp *dp_display);
void msm_dp_snapshot(struct msm_disp_state *disp_state, struct msm_dp *dp_display);
@@ -414,27 +405,6 @@ static inline int msm_dp_modeset_init(struct msm_dp *dp_display,
{
return -EINVAL;
}
-static inline int msm_dp_display_enable(struct msm_dp *dp,
- struct drm_encoder *encoder)
-{
- return -EINVAL;
-}
-static inline int msm_dp_display_disable(struct msm_dp *dp,
- struct drm_encoder *encoder)
-{
- return -EINVAL;
-}
-static inline int msm_dp_display_pre_disable(struct msm_dp *dp,
- struct drm_encoder *encoder)
-{
- return -EINVAL;
-}
-static inline void msm_dp_display_mode_set(struct msm_dp *dp,
- struct drm_encoder *encoder,
- const struct drm_display_mode *mode,
- const struct drm_display_mode *adjusted_mode)
-{
-}
static inline void msm_dp_irq_postinstall(struct msm_dp *dp_display)
{
--
2.34.1
