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drm/msm/dp: remove extra wrappers and public functions

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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@linaro.org>
Tested-by: Sankeerth Billakanti <quic_sbillaka@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/473858/
Link: https://lore.kernel.org/r/20220211224006.1797846-6-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
This commit is contained in:
Dmitry Baryshkov 2022-02-12 01:40:06 +03:00
parent a586191c14
commit 13ea4799a8
5 changed files with 60 additions and 120 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
drivers/gpu/drm/msm/dp/dp_display.c
View File

@ -10,7 +10,6 @@
#include <linux/component.h>
#include <linux/of_irq.h>
#include <linux/delay.h>
#include <drm/drm_panel.h>
#include "msm_drv.h"
#include "msm_kms.h"
@ -975,18 +974,36 @@ 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)
/**
* 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
*/
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_bridge(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;
@ -1547,7 +1564,7 @@ int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev,
dp_display->encoder = encoder;
dp_display->bridge = msm_dp_bridge_init(dp_display, dev, encoder);
dp_display->bridge = dp_bridge_init(dp_display, dev, encoder);
if (IS_ERR(dp_display->bridge)) {
ret = PTR_ERR(dp_display->bridge);
DRM_DEV_ERROR(dev->dev,
@ -1572,8 +1589,10 @@ 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)
void dp_bridge_enable(struct drm_bridge *drm_bridge)
{
struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
struct msm_dp *dp = dp_bridge->dp_display;
int rc = 0;
struct dp_display_private *dp_display;
u32 state;
@ -1581,7 +1600,7 @@ 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);
@ -1593,14 +1612,14 @@ 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;
@ -1625,23 +1644,23 @@ 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)
void dp_bridge_disable(struct drm_bridge *drm_bridge)
{
struct msm_dp_bridge *dp_bridge = to_dp_bridge(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)
void dp_bridge_post_disable(struct drm_bridge *drm_bridge)
{
struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
struct msm_dp *dp = dp_bridge->dp_display;
int rc = 0;
u32 state;
struct dp_display_private *dp_display;
@ -1668,13 +1687,14 @@ 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,
const struct drm_display_mode *mode,
const struct drm_display_mode *adjusted_mode)
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_bridge(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);

1
drivers/gpu/drm/msm/dp/dp_display.h
View File

@ -34,7 +34,6 @@ 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);

72
drivers/gpu/drm/msm/dp/dp_drm.c
View File

@ -13,14 +13,6 @@
#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
@ -30,7 +22,7 @@ static enum drm_connector_status dp_bridge_detect(struct drm_bridge *bridge)
{
struct msm_dp *dp;
dp = to_dp_display(bridge)->dp_display;
dp = to_dp_bridge(bridge)->dp_display;
DRM_DEBUG_DP("is_connected = %s\n",
(dp->is_connected) ? "true" : "false");
@ -55,7 +47,7 @@ static int dp_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector *
if (!connector)
return 0;
dp = to_dp_display(bridge)->dp_display;
dp = to_dp_bridge(bridge)->dp_display;
dp_mode = kzalloc(sizeof(*dp_mode), GFP_KERNEL);
if (!dp_mode)
@ -95,64 +87,6 @@ static int dp_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector *
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,
@ -163,7 +97,7 @@ static const struct drm_bridge_funcs dp_bridge_ops = {
.detect = dp_bridge_detect,
};
struct drm_bridge *msm_dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev,
struct drm_bridge *dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev,
struct drm_encoder *encoder)
{
int rc;

22
drivers/gpu/drm/msm/dp/dp_drm.h
View File

@ -7,12 +7,30 @@
#define _DP_DRM_H_
#include <linux/types.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_bridge.h>
#include "msm_drv.h"
#include "dp_display.h"
struct msm_dp_bridge {
struct drm_bridge bridge;
struct msm_dp *dp_display;
};
#define to_dp_bridge(x) container_of((x), struct msm_dp_bridge, bridge)
struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display);
struct drm_bridge *dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev,
struct drm_encoder *encoder);
void dp_bridge_enable(struct drm_bridge *drm_bridge);
void dp_bridge_disable(struct drm_bridge *drm_bridge);
void dp_bridge_post_disable(struct drm_bridge *drm_bridge);
enum drm_mode_status dp_bridge_mode_valid(struct drm_bridge *bridge,
const struct drm_display_info *info,
const struct drm_display_mode *mode);
void dp_bridge_mode_set(struct drm_bridge *drm_bridge,
const struct drm_display_mode *mode,
const struct drm_display_mode *adjusted_mode);
#endif /* _DP_DRM_H_ */

31
drivers/gpu/drm/msm/msm_drv.h
View File

@ -339,16 +339,6 @@ 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);
@ -369,27 +359,6 @@ 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)
{