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path: root/drivers/gpu/drm/exynos/exynos_drm_dsi.c
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Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_dsi.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_dsi.c138
1 files changed, 71 insertions, 67 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 0e58b36cb..12b03b364 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -259,7 +259,7 @@ struct exynos_dsi_driver_data {
};
struct exynos_dsi {
- struct exynos_drm_display display;
+ struct drm_encoder encoder;
struct mipi_dsi_host dsi_host;
struct drm_connector connector;
struct device_node *panel_node;
@@ -295,9 +295,9 @@ struct exynos_dsi {
#define host_to_dsi(host) container_of(host, struct exynos_dsi, dsi_host)
#define connector_to_dsi(c) container_of(c, struct exynos_dsi, connector)
-static inline struct exynos_dsi *display_to_dsi(struct exynos_drm_display *d)
+static inline struct exynos_dsi *encoder_to_dsi(struct drm_encoder *e)
{
- return container_of(d, struct exynos_dsi, display);
+ return container_of(e, struct exynos_dsi, encoder);
}
enum reg_idx {
@@ -1272,7 +1272,7 @@ static irqreturn_t exynos_dsi_irq(int irq, void *dev_id)
static irqreturn_t exynos_dsi_te_irq_handler(int irq, void *dev_id)
{
struct exynos_dsi *dsi = (struct exynos_dsi *)dev_id;
- struct drm_encoder *encoder = dsi->display.encoder;
+ struct drm_encoder *encoder = &dsi->encoder;
if (dsi->state & DSIM_STATE_VIDOUT_AVAILABLE)
exynos_drm_crtc_te_handler(encoder->crtc);
@@ -1518,16 +1518,17 @@ static void exynos_dsi_poweroff(struct exynos_dsi *dsi)
dev_err(dsi->dev, "cannot disable regulators %d\n", ret);
}
-static int exynos_dsi_enable(struct exynos_dsi *dsi)
+static void exynos_dsi_enable(struct drm_encoder *encoder)
{
+ struct exynos_dsi *dsi = encoder_to_dsi(encoder);
int ret;
if (dsi->state & DSIM_STATE_ENABLED)
- return 0;
+ return;
ret = exynos_dsi_poweron(dsi);
if (ret < 0)
- return ret;
+ return;
dsi->state |= DSIM_STATE_ENABLED;
@@ -1535,7 +1536,7 @@ static int exynos_dsi_enable(struct exynos_dsi *dsi)
if (ret < 0) {
dsi->state &= ~DSIM_STATE_ENABLED;
exynos_dsi_poweroff(dsi);
- return ret;
+ return;
}
exynos_dsi_set_display_mode(dsi);
@@ -1547,16 +1548,16 @@ static int exynos_dsi_enable(struct exynos_dsi *dsi)
exynos_dsi_set_display_enable(dsi, false);
drm_panel_unprepare(dsi->panel);
exynos_dsi_poweroff(dsi);
- return ret;
+ return;
}
dsi->state |= DSIM_STATE_VIDOUT_AVAILABLE;
-
- return 0;
}
-static void exynos_dsi_disable(struct exynos_dsi *dsi)
+static void exynos_dsi_disable(struct drm_encoder *encoder)
{
+ struct exynos_dsi *dsi = encoder_to_dsi(encoder);
+
if (!(dsi->state & DSIM_STATE_ENABLED))
return;
@@ -1571,26 +1572,6 @@ static void exynos_dsi_disable(struct exynos_dsi *dsi)
exynos_dsi_poweroff(dsi);
}
-static void exynos_dsi_dpms(struct exynos_drm_display *display, int mode)
-{
- struct exynos_dsi *dsi = display_to_dsi(display);
-
- if (dsi->panel) {
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- exynos_dsi_enable(dsi);
- break;
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- case DRM_MODE_DPMS_OFF:
- exynos_dsi_disable(dsi);
- break;
- default:
- break;
- }
- }
-}
-
static enum drm_connector_status
exynos_dsi_detect(struct drm_connector *connector, bool force)
{
@@ -1601,10 +1582,10 @@ exynos_dsi_detect(struct drm_connector *connector, bool force)
if (dsi->panel)
drm_panel_attach(dsi->panel, &dsi->connector);
} else if (!dsi->panel_node) {
- struct exynos_drm_display *display;
+ struct drm_encoder *encoder;
- display = platform_get_drvdata(to_platform_device(dsi->dev));
- exynos_dsi_dpms(display, DRM_MODE_DPMS_OFF);
+ encoder = platform_get_drvdata(to_platform_device(dsi->dev));
+ exynos_dsi_disable(encoder);
drm_panel_detach(dsi->panel);
dsi->panel = NULL;
}
@@ -1647,7 +1628,7 @@ exynos_dsi_best_encoder(struct drm_connector *connector)
{
struct exynos_dsi *dsi = connector_to_dsi(connector);
- return dsi->display.encoder;
+ return &dsi->encoder;
}
static struct drm_connector_helper_funcs exynos_dsi_connector_helper_funcs = {
@@ -1655,10 +1636,9 @@ static struct drm_connector_helper_funcs exynos_dsi_connector_helper_funcs = {
.best_encoder = exynos_dsi_best_encoder,
};
-static int exynos_dsi_create_connector(struct exynos_drm_display *display,
- struct drm_encoder *encoder)
+static int exynos_dsi_create_connector(struct drm_encoder *encoder)
{
- struct exynos_dsi *dsi = display_to_dsi(display);
+ struct exynos_dsi *dsi = encoder_to_dsi(encoder);
struct drm_connector *connector = &dsi->connector;
int ret;
@@ -1679,26 +1659,40 @@ static int exynos_dsi_create_connector(struct exynos_drm_display *display,
return 0;
}
-static void exynos_dsi_mode_set(struct exynos_drm_display *display,
- struct drm_display_mode *mode)
+static bool exynos_dsi_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
{
- struct exynos_dsi *dsi = display_to_dsi(display);
- struct videomode *vm = &dsi->vm;
+ return true;
+}
- vm->hactive = mode->hdisplay;
- vm->vactive = mode->vdisplay;
- vm->vfront_porch = mode->vsync_start - mode->vdisplay;
- vm->vback_porch = mode->vtotal - mode->vsync_end;
- vm->vsync_len = mode->vsync_end - mode->vsync_start;
- vm->hfront_porch = mode->hsync_start - mode->hdisplay;
- vm->hback_porch = mode->htotal - mode->hsync_end;
- vm->hsync_len = mode->hsync_end - mode->hsync_start;
+static void exynos_dsi_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct exynos_dsi *dsi = encoder_to_dsi(encoder);
+ struct videomode *vm = &dsi->vm;
+ struct drm_display_mode *m = adjusted_mode;
+
+ vm->hactive = m->hdisplay;
+ vm->vactive = m->vdisplay;
+ vm->vfront_porch = m->vsync_start - m->vdisplay;
+ vm->vback_porch = m->vtotal - m->vsync_end;
+ vm->vsync_len = m->vsync_end - m->vsync_start;
+ vm->hfront_porch = m->hsync_start - m->hdisplay;
+ vm->hback_porch = m->htotal - m->hsync_end;
+ vm->hsync_len = m->hsync_end - m->hsync_start;
}
-static struct exynos_drm_display_ops exynos_dsi_display_ops = {
- .create_connector = exynos_dsi_create_connector,
+static struct drm_encoder_helper_funcs exynos_dsi_encoder_helper_funcs = {
+ .mode_fixup = exynos_dsi_mode_fixup,
.mode_set = exynos_dsi_mode_set,
- .dpms = exynos_dsi_dpms
+ .enable = exynos_dsi_enable,
+ .disable = exynos_dsi_disable,
+};
+
+static struct drm_encoder_funcs exynos_dsi_encoder_funcs = {
+ .destroy = drm_encoder_cleanup,
};
MODULE_DEVICE_TABLE(of, exynos_dsi_of_match);
@@ -1821,22 +1815,35 @@ end:
static int exynos_dsi_bind(struct device *dev, struct device *master,
void *data)
{
- struct exynos_drm_display *display = dev_get_drvdata(dev);
- struct exynos_dsi *dsi = display_to_dsi(display);
+ struct drm_encoder *encoder = dev_get_drvdata(dev);
+ struct exynos_dsi *dsi = encoder_to_dsi(encoder);
struct drm_device *drm_dev = data;
struct drm_bridge *bridge;
int ret;
- ret = exynos_drm_create_enc_conn(drm_dev, display);
+ ret = exynos_drm_crtc_get_pipe_from_type(drm_dev,
+ EXYNOS_DISPLAY_TYPE_LCD);
+ if (ret < 0)
+ return ret;
+
+ encoder->possible_crtcs = 1 << ret;
+
+ DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
+
+ drm_encoder_init(drm_dev, encoder, &exynos_dsi_encoder_funcs,
+ DRM_MODE_ENCODER_TMDS);
+
+ drm_encoder_helper_add(encoder, &exynos_dsi_encoder_helper_funcs);
+
+ ret = exynos_dsi_create_connector(encoder);
if (ret) {
- DRM_ERROR("Encoder create [%d] failed with %d\n",
- display->type, ret);
+ DRM_ERROR("failed to create connector ret = %d\n", ret);
+ drm_encoder_cleanup(encoder);
return ret;
}
bridge = of_drm_find_bridge(dsi->bridge_node);
if (bridge) {
- display->encoder->bridge = bridge;
drm_bridge_attach(drm_dev, bridge);
}
@@ -1846,10 +1853,10 @@ static int exynos_dsi_bind(struct device *dev, struct device *master,
static void exynos_dsi_unbind(struct device *dev, struct device *master,
void *data)
{
- struct exynos_drm_display *display = dev_get_drvdata(dev);
- struct exynos_dsi *dsi = display_to_dsi(display);
+ struct drm_encoder *encoder = dev_get_drvdata(dev);
+ struct exynos_dsi *dsi = encoder_to_dsi(encoder);
- exynos_dsi_dpms(display, DRM_MODE_DPMS_OFF);
+ exynos_dsi_disable(encoder);
mipi_dsi_host_unregister(&dsi->dsi_host);
}
@@ -1870,9 +1877,6 @@ static int exynos_dsi_probe(struct platform_device *pdev)
if (!dsi)
return -ENOMEM;
- dsi->display.type = EXYNOS_DISPLAY_TYPE_LCD;
- dsi->display.ops = &exynos_dsi_display_ops;
-
/* To be checked as invalid one */
dsi->te_gpio = -ENOENT;
@@ -1948,7 +1952,7 @@ static int exynos_dsi_probe(struct platform_device *pdev)
return ret;
}
- platform_set_drvdata(pdev, &dsi->display);
+ platform_set_drvdata(pdev, &dsi->encoder);
return component_add(dev, &exynos_dsi_component_ops);
}