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drm/exynos: Implement drm_connector directly in dp driver 

This patch implements drm_connector directly in the dp driver, this will
allow us to move away from the exynos_drm_connector layer.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Sean Paul 2014-01-30 16:19:30 -05:00 committed by Inki Dae
parent d9716ee33a
commit caa5d1e5a3
2 changed files with 94 additions and 9 deletions
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99
drivers/gpu/drm/exynos/exynos_dp_core.c
View File

@ -23,10 +23,15 @@
#include <video/of_videomode.h>
#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include "exynos_drm_drv.h"
#include "exynos_dp_core.h"
#define ctx_from_connector(c) container_of(c, struct exynos_dp_device, \
connector)
static int exynos_dp_init_dp(struct exynos_dp_device *dp)
{
exynos_dp_reset(dp);
@ -897,21 +902,98 @@ static void exynos_dp_hotplug(struct work_struct *work)
dev_err(dp->dev, "unable to config video\n");
}
static bool exynos_dp_display_is_connected(struct exynos_drm_display *display)
static enum drm_connector_status exynos_dp_detect(
struct drm_connector *connector, bool force)
{
return true;
return connector_status_connected;
}
static void *exynos_dp_get_panel(struct exynos_drm_display *display)
static void exynos_dp_connector_destroy(struct drm_connector *connector)
{
}
static struct drm_connector_funcs exynos_dp_connector_funcs = {
.dpms = drm_helper_connector_dpms,
.fill_modes = drm_helper_probe_single_connector_modes,
.detect = exynos_dp_detect,
.destroy = exynos_dp_connector_destroy,
};
static int exynos_dp_get_modes(struct drm_connector *connector)
{
struct exynos_dp_device *dp = ctx_from_connector(connector);
struct drm_display_mode *mode;
mode = drm_mode_create(connector->dev);
if (!mode) {
DRM_ERROR("failed to create a new display mode.\n");
return 0;
}
drm_display_mode_from_videomode(&dp->panel.vm, mode);
mode->width_mm = dp->panel.width_mm;
mode->height_mm = dp->panel.height_mm;
connector->display_info.width_mm = mode->width_mm;
connector->display_info.height_mm = mode->height_mm;
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
return 1;
}
static int exynos_dp_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
return MODE_OK;
}
static struct drm_encoder *exynos_dp_best_encoder(
struct drm_connector *connector)
{
struct exynos_dp_device *dp = ctx_from_connector(connector);
return dp->encoder;
}
static struct drm_connector_helper_funcs exynos_dp_connector_helper_funcs = {
.get_modes = exynos_dp_get_modes,
.mode_valid = exynos_dp_mode_valid,
.best_encoder = exynos_dp_best_encoder,
};
static int exynos_dp_initialize(struct exynos_drm_display *display,
struct drm_device *drm_dev)
{
struct exynos_dp_device *dp = display->ctx;
return &dp->panel;
dp->drm_dev = drm_dev;
return 0;
}
static int exynos_dp_check_mode(struct exynos_drm_display *display,
struct drm_display_mode *mode)
static int exynos_dp_create_connector(struct exynos_drm_display *display,
struct drm_encoder *encoder)
{
struct exynos_dp_device *dp = display->ctx;
struct drm_connector *connector = &dp->connector;
int ret;
dp->encoder = encoder;
connector->polled = DRM_CONNECTOR_POLL_HPD;
ret = drm_connector_init(dp->drm_dev, connector,
&exynos_dp_connector_funcs, DRM_MODE_CONNECTOR_eDP);
if (ret) {
DRM_ERROR("Failed to initialize connector with drm\n");
return ret;
}
drm_connector_helper_add(connector, &exynos_dp_connector_helper_funcs);
drm_sysfs_connector_add(connector);
drm_mode_connector_attach_encoder(connector, encoder);
return 0;
}
@ -983,9 +1065,8 @@ static void exynos_dp_dpms(struct exynos_drm_display *display, int mode)
}
static struct exynos_drm_display_ops exynos_dp_display_ops = {
.is_connected = exynos_dp_display_is_connected,
.get_panel = exynos_dp_get_panel,
.check_mode = exynos_dp_check_mode,
.initialize = exynos_dp_initialize,
.create_connector = exynos_dp_create_connector,
.dpms = exynos_dp_dpms,
};

4
drivers/gpu/drm/exynos/exynos_dp_core.h
View File

@ -13,6 +13,7 @@
#ifndef _EXYNOS_DP_CORE_H
#define _EXYNOS_DP_CORE_H
#include <drm/drm_crtc.h>
#include <drm/exynos_drm.h>
#define DP_TIMEOUT_LOOP_COUNT 100
@ -144,6 +145,9 @@ struct link_train {
struct exynos_dp_device {
struct device *dev;
struct drm_device *drm_dev;
struct drm_connector connector;
struct drm_encoder *encoder;
struct clk *clock;
unsigned int irq;
void __iomem *reg_base;