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path: root/drivers/gpu/drm/exynos/exynos_dp_core.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_dp_core.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_dp_core.c142
1 files changed, 65 insertions, 77 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
index 172b8002a2c8..124fb9a56f02 100644
--- a/drivers/gpu/drm/exynos/exynos_dp_core.c
+++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
@@ -32,19 +32,20 @@
#include <drm/drm_panel.h>
#include "exynos_dp_core.h"
+#include "exynos_drm_crtc.h"
#define ctx_from_connector(c) container_of(c, struct exynos_dp_device, \
connector)
static inline struct exynos_drm_crtc *dp_to_crtc(struct exynos_dp_device *dp)
{
- return to_exynos_crtc(dp->encoder->crtc);
+ return to_exynos_crtc(dp->encoder.crtc);
}
-static inline struct exynos_dp_device *
-display_to_dp(struct exynos_drm_display *d)
+static inline struct exynos_dp_device *encoder_to_dp(
+ struct drm_encoder *e)
{
- return container_of(d, struct exynos_dp_device, display);
+ return container_of(e, struct exynos_dp_device, encoder);
}
struct bridge_init {
@@ -795,9 +796,6 @@ static int exynos_dp_config_video(struct exynos_dp_device *dp)
/* Configure video slave mode */
exynos_dp_enable_video_master(dp, 0);
- /* Enable video */
- exynos_dp_start_video(dp);
-
timeout_loop = 0;
for (;;) {
@@ -891,9 +889,9 @@ static void exynos_dp_hotplug(struct work_struct *work)
drm_helper_hpd_irq_event(dp->drm_dev);
}
-static void exynos_dp_commit(struct exynos_drm_display *display)
+static void exynos_dp_commit(struct drm_encoder *encoder)
{
- struct exynos_dp_device *dp = display_to_dp(display);
+ struct exynos_dp_device *dp = encoder_to_dp(encoder);
int ret;
/* Keep the panel disabled while we configure video */
@@ -938,6 +936,9 @@ static void exynos_dp_commit(struct exynos_drm_display *display)
if (drm_panel_enable(dp->panel))
DRM_ERROR("failed to enable the panel\n");
}
+
+ /* Enable video */
+ exynos_dp_start_video(dp);
}
static enum drm_connector_status exynos_dp_detect(
@@ -994,7 +995,7 @@ static struct drm_encoder *exynos_dp_best_encoder(
{
struct exynos_dp_device *dp = ctx_from_connector(connector);
- return dp->encoder;
+ return &dp->encoder;
}
static struct drm_connector_helper_funcs exynos_dp_connector_helper_funcs = {
@@ -1019,15 +1020,12 @@ static int exynos_drm_attach_lcd_bridge(struct exynos_dp_device *dp,
return 0;
}
-static int exynos_dp_create_connector(struct exynos_drm_display *display,
- struct drm_encoder *encoder)
+static int exynos_dp_create_connector(struct drm_encoder *encoder)
{
- struct exynos_dp_device *dp = display_to_dp(display);
+ struct exynos_dp_device *dp = encoder_to_dp(encoder);
struct drm_connector *connector = &dp->connector;
int ret;
- dp->encoder = encoder;
-
/* Pre-empt DP connector creation if there's a bridge */
if (dp->bridge) {
ret = exynos_drm_attach_lcd_bridge(dp, encoder);
@@ -1054,20 +1052,22 @@ static int exynos_dp_create_connector(struct exynos_drm_display *display,
return ret;
}
-static void exynos_dp_phy_init(struct exynos_dp_device *dp)
+static bool exynos_dp_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
{
- if (dp->phy)
- phy_power_on(dp->phy);
+ return true;
}
-static void exynos_dp_phy_exit(struct exynos_dp_device *dp)
+static void exynos_dp_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
{
- if (dp->phy)
- phy_power_off(dp->phy);
}
-static void exynos_dp_poweron(struct exynos_dp_device *dp)
+static void exynos_dp_enable(struct drm_encoder *encoder)
{
+ struct exynos_dp_device *dp = encoder_to_dp(encoder);
struct exynos_drm_crtc *crtc = dp_to_crtc(dp);
if (dp->dpms_mode == DRM_MODE_DPMS_ON)
@@ -1084,14 +1084,17 @@ static void exynos_dp_poweron(struct exynos_dp_device *dp)
crtc->ops->clock_enable(dp_to_crtc(dp), true);
clk_prepare_enable(dp->clock);
- exynos_dp_phy_init(dp);
+ phy_power_on(dp->phy);
exynos_dp_init_dp(dp);
enable_irq(dp->irq);
- exynos_dp_commit(&dp->display);
+ exynos_dp_commit(&dp->encoder);
+
+ dp->dpms_mode = DRM_MODE_DPMS_ON;
}
-static void exynos_dp_poweroff(struct exynos_dp_device *dp)
+static void exynos_dp_disable(struct drm_encoder *encoder)
{
+ struct exynos_dp_device *dp = encoder_to_dp(encoder);
struct exynos_drm_crtc *crtc = dp_to_crtc(dp);
if (dp->dpms_mode != DRM_MODE_DPMS_ON)
@@ -1106,7 +1109,7 @@ static void exynos_dp_poweroff(struct exynos_dp_device *dp)
disable_irq(dp->irq);
flush_work(&dp->hotplug_work);
- exynos_dp_phy_exit(dp);
+ phy_power_off(dp->phy);
clk_disable_unprepare(dp->clock);
if (crtc->ops->clock_enable)
@@ -1116,31 +1119,19 @@ static void exynos_dp_poweroff(struct exynos_dp_device *dp)
if (drm_panel_unprepare(dp->panel))
DRM_ERROR("failed to turnoff the panel\n");
}
-}
-
-static void exynos_dp_dpms(struct exynos_drm_display *display, int mode)
-{
- struct exynos_dp_device *dp = display_to_dp(display);
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- exynos_dp_poweron(dp);
- break;
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- case DRM_MODE_DPMS_OFF:
- exynos_dp_poweroff(dp);
- break;
- default:
- break;
- }
- dp->dpms_mode = mode;
+ dp->dpms_mode = DRM_MODE_DPMS_OFF;
}
-static struct exynos_drm_display_ops exynos_dp_display_ops = {
- .create_connector = exynos_dp_create_connector,
- .dpms = exynos_dp_dpms,
- .commit = exynos_dp_commit,
+static struct drm_encoder_helper_funcs exynos_dp_encoder_helper_funcs = {
+ .mode_fixup = exynos_dp_mode_fixup,
+ .mode_set = exynos_dp_mode_set,
+ .enable = exynos_dp_enable,
+ .disable = exynos_dp_disable,
+};
+
+static struct drm_encoder_funcs exynos_dp_encoder_funcs = {
+ .destroy = drm_encoder_cleanup,
};
static struct video_info *exynos_dp_dt_parse_pdata(struct device *dev)
@@ -1219,9 +1210,10 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
struct exynos_dp_device *dp = dev_get_drvdata(dev);
struct platform_device *pdev = to_platform_device(dev);
struct drm_device *drm_dev = data;
+ struct drm_encoder *encoder = &dp->encoder;
struct resource *res;
unsigned int irq_flags;
- int ret = 0;
+ int pipe, ret = 0;
dp->dev = &pdev->dev;
dp->dpms_mode = DRM_MODE_DPMS_OFF;
@@ -1297,7 +1289,7 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
INIT_WORK(&dp->hotplug_work, exynos_dp_hotplug);
- exynos_dp_phy_init(dp);
+ phy_power_on(dp->phy);
exynos_dp_init_dp(dp);
@@ -1311,7 +1303,28 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
dp->drm_dev = drm_dev;
- return exynos_drm_create_enc_conn(drm_dev, &dp->display);
+ pipe = exynos_drm_crtc_get_pipe_from_type(drm_dev,
+ EXYNOS_DISPLAY_TYPE_LCD);
+ if (pipe < 0)
+ return pipe;
+
+ encoder->possible_crtcs = 1 << pipe;
+
+ DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
+
+ drm_encoder_init(drm_dev, encoder, &exynos_dp_encoder_funcs,
+ DRM_MODE_ENCODER_TMDS);
+
+ drm_encoder_helper_add(encoder, &exynos_dp_encoder_helper_funcs);
+
+ ret = exynos_dp_create_connector(encoder);
+ if (ret) {
+ DRM_ERROR("failed to create connector ret = %d\n", ret);
+ drm_encoder_cleanup(encoder);
+ return ret;
+ }
+
+ return 0;
}
static void exynos_dp_unbind(struct device *dev, struct device *master,
@@ -1319,7 +1332,7 @@ static void exynos_dp_unbind(struct device *dev, struct device *master,
{
struct exynos_dp_device *dp = dev_get_drvdata(dev);
- exynos_dp_dpms(&dp->display, DRM_MODE_DPMS_OFF);
+ exynos_dp_disable(&dp->encoder);
}
static const struct component_ops exynos_dp_ops = {
@@ -1338,8 +1351,6 @@ static int exynos_dp_probe(struct platform_device *pdev)
if (!dp)
return -ENOMEM;
- dp->display.type = EXYNOS_DISPLAY_TYPE_LCD;
- dp->display.ops = &exynos_dp_display_ops;
platform_set_drvdata(pdev, dp);
panel_node = of_parse_phandle(dev->of_node, "panel", 0);
@@ -1372,28 +1383,6 @@ static int exynos_dp_remove(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-static int exynos_dp_suspend(struct device *dev)
-{
- struct exynos_dp_device *dp = dev_get_drvdata(dev);
-
- exynos_dp_dpms(&dp->display, DRM_MODE_DPMS_OFF);
- return 0;
-}
-
-static int exynos_dp_resume(struct device *dev)
-{
- struct exynos_dp_device *dp = dev_get_drvdata(dev);
-
- exynos_dp_dpms(&dp->display, DRM_MODE_DPMS_ON);
- return 0;
-}
-#endif
-
-static const struct dev_pm_ops exynos_dp_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(exynos_dp_suspend, exynos_dp_resume)
-};
-
static const struct of_device_id exynos_dp_match[] = {
{ .compatible = "samsung,exynos5-dp" },
{},
@@ -1406,7 +1395,6 @@ struct platform_driver dp_driver = {
.driver = {
.name = "exynos-dp",
.owner = THIS_MODULE,
- .pm = &exynos_dp_pm_ops,
.of_match_table = exynos_dp_match,
},
};