This patch changes the manager ops callbacks from accepting the subdrv
device pointer to taking a context pointer. This will allow us to move
closer to decoupling manager/display from subdrv, and subsequently
decoupling the crtc/plane from the encoder.

Signed-off-by: Sean Paul <seanp...@chromium.org>
---
 drivers/gpu/drm/exynos/exynos_drm_connector.c |  2 +-
 drivers/gpu/drm/exynos/exynos_drm_drv.h       | 33 ++++++------
 drivers/gpu/drm/exynos/exynos_drm_encoder.c   | 24 ++++-----
 drivers/gpu/drm/exynos/exynos_drm_fimd.c      | 71 +++++++++++++------------
 drivers/gpu/drm/exynos/exynos_drm_hdmi.c      | 75 +++++++++++++++------------
 drivers/gpu/drm/exynos/exynos_drm_vidi.c      | 49 ++++++++---------
 6 files changed, 130 insertions(+), 124 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c 
b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index e082efb..b70b123 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -198,7 +198,7 @@ static int exynos_drm_connector_fill_modes(struct 
drm_connector *connector,
         * resolution then get max width and height from that driver.
         */
        if (ops && ops->get_max_resol)
-               ops->get_max_resol(manager->dev, &width, &height);
+               ops->get_max_resol(manager->ctx, &width, &height);
 
        return drm_helper_probe_single_connector_modes(connector, width,
                                                        height);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h 
b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 09bfe60..0bd444f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -162,26 +162,23 @@ struct exynos_drm_display_ops {
  * @win_disable: disable hardware specific overlay.
  */
 struct exynos_drm_manager_ops {
-       int (*initialize)(struct device *subdrv_dev,
-                       struct drm_device *drm_dev);
-       void (*dpms)(struct device *subdrv_dev, int mode);
-       void (*apply)(struct device *subdrv_dev);
-       void (*mode_fixup)(struct device *subdrv_dev,
-                               struct drm_connector *connector,
+       int (*initialize)(void *ctx, struct drm_device *drm_dev);
+       void (*dpms)(void *ctx, int mode);
+       void (*apply)(void *ctx);
+       void (*mode_fixup)(void *ctx, struct drm_connector *connector,
                                const struct drm_display_mode *mode,
                                struct drm_display_mode *adjusted_mode);
-       void (*mode_set)(struct device *subdrv_dev, void *mode);
-       void (*get_max_resol)(struct device *subdrv_dev, unsigned int *width,
+       void (*mode_set)(void *ctx, void *mode);
+       void (*get_max_resol)(void *ctx, unsigned int *width,
                                unsigned int *height);
-       void (*commit)(struct device *subdrv_dev);
-       int (*enable_vblank)(struct device *subdrv_dev);
-       void (*disable_vblank)(struct device *subdrv_dev);
-       void (*wait_for_vblank)(struct device *subdrv_dev);
-       void (*win_mode_set)(struct device *subdrv_dev,
-                               struct exynos_drm_overlay *overlay);
-       void (*win_commit)(struct device *subdrv_dev, int zpos);
-       void (*win_enable)(struct device *subdrv_dev, int zpos);
-       void (*win_disable)(struct device *subdrv_dev, int zpos);
+       void (*commit)(void *ctx);
+       int (*enable_vblank)(void *ctx);
+       void (*disable_vblank)(void *ctx);
+       void (*wait_for_vblank)(void *ctx);
+       void (*win_mode_set)(void *ctx, struct exynos_drm_overlay *overlay);
+       void (*win_commit)(void *ctx, int zpos);
+       void (*win_enable)(void *ctx, int zpos);
+       void (*win_disable)(void *ctx, int zpos);
 };
 
 /*
@@ -197,12 +194,14 @@ struct exynos_drm_manager_ops {
  *     these callbacks should be set by specific drivers such fimd
  *     or hdmi driver and are used to control display devices such as
  *     analog tv, digital tv and lcd panel and also get timing data for them.
+ * @ctx: A pointer to the manager's implementation specific context
  */
 struct exynos_drm_manager {
        struct device *dev;
        int pipe;
        struct exynos_drm_manager_ops *ops;
        struct exynos_drm_display_ops *display_ops;
+       void *ctx;
 };
 
 struct exynos_drm_g2d_private {
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c 
b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index a9eb2b0..24484ae 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -74,7 +74,7 @@ static void exynos_drm_encoder_dpms(struct drm_encoder 
*encoder, int mode)
        case DRM_MODE_DPMS_ON:
                if (manager_ops && manager_ops->apply)
                        if (!exynos_encoder->updated)
-                               manager_ops->apply(manager->dev);
+                               manager_ops->apply(manager->ctx);
 
                exynos_drm_connector_power(encoder, mode);
                exynos_encoder->dpms = mode;
@@ -107,7 +107,7 @@ exynos_drm_encoder_mode_fixup(struct drm_encoder *encoder,
        list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
                if (connector->encoder == encoder)
                        if (manager_ops && manager_ops->mode_fixup)
-                               manager_ops->mode_fixup(manager->dev, connector,
+                               manager_ops->mode_fixup(manager->ctx, connector,
                                                        mode, adjusted_mode);
        }
 
@@ -175,7 +175,7 @@ static void exynos_drm_encoder_mode_set(struct drm_encoder 
*encoder,
                        manager_ops = manager->ops;
 
                        if (manager_ops && manager_ops->mode_set)
-                               manager_ops->mode_set(manager->dev,
+                               manager_ops->mode_set(manager->ctx,
                                                        adjusted_mode);
 
                        exynos_encoder->old_crtc = encoder->crtc;
@@ -195,7 +195,7 @@ static void exynos_drm_encoder_commit(struct drm_encoder 
*encoder)
        struct exynos_drm_manager_ops *manager_ops = manager->ops;
 
        if (manager_ops && manager_ops->commit)
-               manager_ops->commit(manager->dev);
+               manager_ops->commit(manager->ctx);
 
        /*
         * this will avoid one issue that overlay data is updated to
@@ -341,7 +341,7 @@ exynos_drm_encoder_create(struct drm_device *dev,
        drm_encoder_helper_add(encoder, &exynos_encoder_helper_funcs);
 
        if (manager->ops && manager->ops->initialize) {
-               ret = manager->ops->initialize(manager->dev, dev);
+               ret = manager->ops->initialize(manager->ctx, dev);
                if (ret) {
                        DRM_ERROR("Manager initialize failed %d\n", ret);
                        goto error;
@@ -408,7 +408,7 @@ void exynos_drm_enable_vblank(struct drm_encoder *encoder, 
void *data)
                return;
 
        if (manager_ops->enable_vblank)
-               manager_ops->enable_vblank(manager->dev);
+               manager_ops->enable_vblank(manager->ctx);
 }
 
 void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data)
@@ -422,7 +422,7 @@ void exynos_drm_disable_vblank(struct drm_encoder *encoder, 
void *data)
                return;
 
        if (manager_ops->disable_vblank)
-               manager_ops->disable_vblank(manager->dev);
+               manager_ops->disable_vblank(manager->ctx);
 }
 
 void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data)
@@ -433,7 +433,7 @@ void exynos_drm_encoder_crtc_dpms(struct drm_encoder 
*encoder, void *data)
        int mode = *(int *)data;
 
        if (manager_ops && manager_ops->dpms)
-               manager_ops->dpms(manager->dev, mode);
+               manager_ops->dpms(manager->ctx, mode);
 
        /*
         * if this condition is ok then it means that the crtc is already
@@ -467,7 +467,7 @@ void exynos_drm_encoder_plane_mode_set(struct drm_encoder 
*encoder, void *data)
        struct exynos_drm_overlay *overlay = data;
 
        if (manager_ops && manager_ops->win_mode_set)
-               manager_ops->win_mode_set(manager->dev, overlay);
+               manager_ops->win_mode_set(manager->ctx, overlay);
 }
 
 void exynos_drm_encoder_plane_commit(struct drm_encoder *encoder, void *data)
@@ -481,7 +481,7 @@ void exynos_drm_encoder_plane_commit(struct drm_encoder 
*encoder, void *data)
                zpos = *(int *)data;
 
        if (manager_ops && manager_ops->win_commit)
-               manager_ops->win_commit(manager->dev, zpos);
+               manager_ops->win_commit(manager->ctx, zpos);
 }
 
 void exynos_drm_encoder_plane_enable(struct drm_encoder *encoder, void *data)
@@ -495,7 +495,7 @@ void exynos_drm_encoder_plane_enable(struct drm_encoder 
*encoder, void *data)
                zpos = *(int *)data;
 
        if (manager_ops && manager_ops->win_enable)
-               manager_ops->win_enable(manager->dev, zpos);
+               manager_ops->win_enable(manager->ctx, zpos);
 }
 
 void exynos_drm_encoder_plane_disable(struct drm_encoder *encoder, void *data)
@@ -509,5 +509,5 @@ void exynos_drm_encoder_plane_disable(struct drm_encoder 
*encoder, void *data)
                zpos = *(int *)data;
 
        if (manager_ops && manager_ops->win_disable)
-               manager_ops->win_disable(manager->dev, zpos);
+               manager_ops->win_disable(manager->ctx, zpos);
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c 
b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 90fcd6f..9c2720a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -106,6 +106,7 @@ struct fimd_win_data {
 
 struct fimd_context {
        struct exynos_drm_subdrv        subdrv;
+       struct device                   *dev;
        struct drm_device               *drm_dev;
        int                             irq;
        struct drm_crtc                 *crtc;
@@ -182,16 +183,15 @@ static struct exynos_drm_display_ops fimd_display_ops = {
        .power_on = fimd_display_power_on,
 };
 
-static void fimd_win_mode_set(struct device *dev,
-                             struct exynos_drm_overlay *overlay)
+static void fimd_win_mode_set(void *in_ctx, struct exynos_drm_overlay *overlay)
 {
-       struct fimd_context *ctx = get_fimd_context(dev);
+       struct fimd_context *ctx = in_ctx;
        struct fimd_win_data *win_data;
        int win;
        unsigned long offset;
 
        if (!overlay) {
-               dev_err(dev, "overlay is NULL\n");
+               DRM_ERROR("overlay is NULL\n");
                return;
        }
 
@@ -231,9 +231,8 @@ static void fimd_win_mode_set(struct device *dev,
                        overlay->fb_width, overlay->crtc_width);
 }
 
-static void fimd_win_set_pixfmt(struct device *dev, unsigned int win)
+static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win)
 {
-       struct fimd_context *ctx = get_fimd_context(dev);
        struct fimd_win_data *win_data = &ctx->win_data[win];
        unsigned long val;
 
@@ -289,9 +288,8 @@ static void fimd_win_set_pixfmt(struct device *dev, 
unsigned int win)
        writel(val, ctx->regs + WINCON(win));
 }
 
-static void fimd_win_set_colkey(struct device *dev, unsigned int win)
+static void fimd_win_set_colkey(struct fimd_context *ctx, unsigned int win)
 {
-       struct fimd_context *ctx = get_fimd_context(dev);
        unsigned int keycon0 = 0, keycon1 = 0;
 
        keycon0 = ~(WxKEYCON0_KEYBL_EN | WxKEYCON0_KEYEN_F |
@@ -330,9 +328,9 @@ static void fimd_shadow_protect_win(struct fimd_context 
*ctx,
        writel(val, ctx->regs + reg);
 }
 
-static void fimd_win_commit(struct device *dev, int zpos)
+static void fimd_win_commit(void *in_ctx, int zpos)
 {
-       struct fimd_context *ctx = get_fimd_context(dev);
+       struct fimd_context *ctx = in_ctx;
        struct fimd_win_data *win_data;
        int win = zpos;
        unsigned long val, alpha, size;
@@ -427,11 +425,11 @@ static void fimd_win_commit(struct device *dev, int zpos)
                DRM_DEBUG_KMS("osd size = 0x%x\n", (unsigned int)val);
        }
 
-       fimd_win_set_pixfmt(dev, win);
+       fimd_win_set_pixfmt(ctx, win);
 
        /* hardware window 0 doesn't support color key. */
        if (win != 0)
-               fimd_win_set_colkey(dev, win);
+               fimd_win_set_colkey(ctx, win);
 
        /* wincon */
        val = readl(ctx->regs + WINCON(win));
@@ -450,9 +448,9 @@ static void fimd_win_commit(struct device *dev, int zpos)
        win_data->enabled = true;
 }
 
-static void fimd_win_disable(struct device *dev, int zpos)
+static void fimd_win_disable(void *in_ctx, int zpos)
 {
-       struct fimd_context *ctx = get_fimd_context(dev);
+       struct fimd_context *ctx = in_ctx;
        struct fimd_win_data *win_data;
        int win = zpos;
        u32 val;
@@ -491,19 +489,18 @@ static void fimd_win_disable(struct device *dev, int zpos)
        win_data->enabled = false;
 }
 
-static int fimd_mgr_initialize(struct device *subdrv_dev,
-               struct drm_device *drm_dev)
+static int fimd_mgr_initialize(void *in_ctx, struct drm_device *drm_dev)
 {
-       struct fimd_context *ctx = get_fimd_context(subdrv_dev);
+       struct fimd_context *ctx = in_ctx;
 
        ctx->drm_dev = drm_dev;
 
        return 0;
 }
 
-static void fimd_dpms(struct device *subdrv_dev, int mode)
+static void fimd_dpms(void *in_ctx, int mode)
 {
-       struct fimd_context *ctx = get_fimd_context(subdrv_dev);
+       struct fimd_context *ctx = in_ctx;
 
        DRM_DEBUG_KMS("%d\n", mode);
 
@@ -518,13 +515,13 @@ static void fimd_dpms(struct device *subdrv_dev, int mode)
                 * clk_enable could be called double time.
                 */
                if (ctx->suspended)
-                       pm_runtime_get_sync(subdrv_dev);
+                       pm_runtime_get_sync(ctx->dev);
                break;
        case DRM_MODE_DPMS_STANDBY:
        case DRM_MODE_DPMS_SUSPEND:
        case DRM_MODE_DPMS_OFF:
                if (!ctx->suspended)
-                       pm_runtime_put_sync(subdrv_dev);
+                       pm_runtime_put_sync(ctx->dev);
                break;
        default:
                DRM_DEBUG_KMS("unspecified mode %d\n", mode);
@@ -534,9 +531,9 @@ static void fimd_dpms(struct device *subdrv_dev, int mode)
        mutex_unlock(&ctx->lock);
 }
 
-static void fimd_apply(struct device *subdrv_dev)
+static void fimd_apply(void *in_ctx)
 {
-       struct fimd_context *ctx = get_fimd_context(subdrv_dev);
+       struct fimd_context *ctx = in_ctx;
        struct exynos_drm_manager *mgr = ctx->subdrv.manager;
        struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
        struct fimd_win_data *win_data;
@@ -545,16 +542,16 @@ static void fimd_apply(struct device *subdrv_dev)
        for (i = 0; i < WINDOWS_NR; i++) {
                win_data = &ctx->win_data[i];
                if (win_data->enabled && (mgr_ops && mgr_ops->win_commit))
-                       mgr_ops->win_commit(subdrv_dev, i);
+                       mgr_ops->win_commit(ctx, i);
        }
 
        if (mgr_ops && mgr_ops->commit)
-               mgr_ops->commit(subdrv_dev);
+               mgr_ops->commit(ctx);
 }
 
-static void fimd_commit(struct device *dev)
+static void fimd_commit(void *in_ctx)
 {
-       struct fimd_context *ctx = get_fimd_context(dev);
+       struct fimd_context *ctx = in_ctx;
        struct exynos_drm_panel_info *panel = &ctx->panel;
        struct videomode *vm = &panel->vm;
        struct fimd_driver_data *driver_data;
@@ -608,9 +605,9 @@ static void fimd_commit(struct device *dev)
        writel(val, ctx->regs + VIDCON0);
 }
 
-static int fimd_enable_vblank(struct device *dev)
+static int fimd_enable_vblank(void *in_ctx)
 {
-       struct fimd_context *ctx = get_fimd_context(dev);
+       struct fimd_context *ctx = in_ctx;
        u32 val;
 
        if (ctx->suspended)
@@ -633,9 +630,9 @@ static int fimd_enable_vblank(struct device *dev)
        return 0;
 }
 
-static void fimd_disable_vblank(struct device *dev)
+static void fimd_disable_vblank(void *in_ctx)
 {
-       struct fimd_context *ctx = get_fimd_context(dev);
+       struct fimd_context *ctx = in_ctx;
        u32 val;
 
        if (ctx->suspended)
@@ -651,9 +648,9 @@ static void fimd_disable_vblank(struct device *dev)
        }
 }
 
-static void fimd_wait_for_vblank(struct device *dev)
+static void fimd_wait_for_vblank(void *in_ctx)
 {
-       struct fimd_context *ctx = get_fimd_context(dev);
+       struct fimd_context *ctx = in_ctx;
 
        if (ctx->suspended)
                return;
@@ -845,9 +842,9 @@ static void fimd_window_suspend(struct device *dev)
        for (i = 0; i < WINDOWS_NR; i++) {
                win_data = &ctx->win_data[i];
                win_data->resume = win_data->enabled;
-               fimd_win_disable(dev, i);
+               fimd_win_disable(ctx, i);
        }
-       fimd_wait_for_vblank(dev);
+       fimd_wait_for_vblank(ctx);
 }
 
 static void fimd_window_resume(struct device *dev)
@@ -963,6 +960,8 @@ static int fimd_probe(struct platform_device *pdev)
        DRM_INIT_WAITQUEUE(&ctx->wait_vsync_queue);
        atomic_set(&ctx->wait_vsync_event, 0);
 
+       fimd_manager.ctx = ctx;
+
        subdrv = &ctx->subdrv;
 
        subdrv->dev = dev;
@@ -1042,7 +1041,7 @@ static int fimd_resume(struct device *dev)
                 * registers but in case of sleep wakeup, it's not.
                 * so fimd_apply function should be called at here.
                 */
-               fimd_apply(dev);
+               fimd_apply(ctx);
        }
 
        return 0;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c 
b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index aebcc0e..cddb0c8 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -129,11 +129,9 @@ static struct edid *drm_hdmi_get_edid(struct device *dev,
 
        return NULL;
 }
-
-static int drm_hdmi_check_mode(struct device *dev,
+static int drm_hdmi_check_mode_ctx(struct drm_hdmi_context *ctx,
                struct drm_display_mode *mode)
 {
-       struct drm_hdmi_context *ctx = to_context(dev);
        int ret = 0;
 
        /*
@@ -153,6 +151,14 @@ static int drm_hdmi_check_mode(struct device *dev,
        return 0;
 }
 
+static int drm_hdmi_check_mode(struct device *dev,
+               struct drm_display_mode *mode)
+{
+       struct drm_hdmi_context *ctx = to_context(dev);
+
+       return drm_hdmi_check_mode_ctx(ctx, mode);
+}
+
 static int drm_hdmi_power_on(struct device *dev, int mode)
 {
        struct drm_hdmi_context *ctx = to_context(dev);
@@ -172,9 +178,9 @@ static struct exynos_drm_display_ops drm_hdmi_display_ops = 
{
        .power_on = drm_hdmi_power_on,
 };
 
-static int drm_hdmi_enable_vblank(struct device *subdrv_dev)
+static int drm_hdmi_enable_vblank(void *in_ctx)
 {
-       struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+       struct drm_hdmi_context *ctx = in_ctx;
        struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
        struct exynos_drm_manager *manager = subdrv->manager;
 
@@ -185,33 +191,33 @@ static int drm_hdmi_enable_vblank(struct device 
*subdrv_dev)
        return 0;
 }
 
-static void drm_hdmi_disable_vblank(struct device *subdrv_dev)
+static void drm_hdmi_disable_vblank(void *in_ctx)
 {
-       struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+       struct drm_hdmi_context *ctx = in_ctx;
 
        if (mixer_ops && mixer_ops->disable_vblank)
                return mixer_ops->disable_vblank(ctx->mixer_ctx->ctx);
 }
 
-static void drm_hdmi_wait_for_vblank(struct device *subdrv_dev)
+static void drm_hdmi_wait_for_vblank(void *in_ctx)
 {
-       struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+       struct drm_hdmi_context *ctx = in_ctx;
 
        if (mixer_ops && mixer_ops->wait_for_vblank)
                mixer_ops->wait_for_vblank(ctx->mixer_ctx->ctx);
 }
 
-static void drm_hdmi_mode_fixup(struct device *subdrv_dev,
-                               struct drm_connector *connector,
+static void drm_hdmi_mode_fixup(void *in_ctx, struct drm_connector *connector,
                                const struct drm_display_mode *mode,
                                struct drm_display_mode *adjusted_mode)
 {
+       struct drm_hdmi_context *ctx = in_ctx;
        struct drm_display_mode *m;
        int mode_ok;
 
        drm_mode_set_crtcinfo(adjusted_mode, 0);
 
-       mode_ok = drm_hdmi_check_mode(subdrv_dev, adjusted_mode);
+       mode_ok = drm_hdmi_check_mode_ctx(ctx, adjusted_mode);
 
        /* just return if user desired mode exists. */
        if (mode_ok == 0)
@@ -222,7 +228,7 @@ static void drm_hdmi_mode_fixup(struct device *subdrv_dev,
         * to adjusted_mode.
         */
        list_for_each_entry(m, &connector->modes, head) {
-               mode_ok = drm_hdmi_check_mode(subdrv_dev, m);
+               mode_ok = drm_hdmi_check_mode_ctx(ctx, m);
 
                if (mode_ok == 0) {
                        struct drm_mode_object base;
@@ -245,35 +251,34 @@ static void drm_hdmi_mode_fixup(struct device *subdrv_dev,
        }
 }
 
-static void drm_hdmi_mode_set(struct device *subdrv_dev, void *mode)
+static void drm_hdmi_mode_set(void *in_ctx, void *mode)
 {
-       struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+       struct drm_hdmi_context *ctx = in_ctx;
 
        if (hdmi_ops && hdmi_ops->mode_set)
                hdmi_ops->mode_set(ctx->hdmi_ctx->ctx, mode);
 }
 
-static void drm_hdmi_get_max_resol(struct device *subdrv_dev,
-                               unsigned int *width, unsigned int *height)
+static void drm_hdmi_get_max_resol(void *in_ctx, unsigned int *width,
+                               unsigned int *height)
 {
-       struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+       struct drm_hdmi_context *ctx = in_ctx;
 
        if (hdmi_ops && hdmi_ops->get_max_resol)
                hdmi_ops->get_max_resol(ctx->hdmi_ctx->ctx, width, height);
 }
 
-static void drm_hdmi_commit(struct device *subdrv_dev)
+static void drm_hdmi_commit(void *in_ctx)
 {
-       struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+       struct drm_hdmi_context *ctx = in_ctx;
 
        if (hdmi_ops && hdmi_ops->commit)
                hdmi_ops->commit(ctx->hdmi_ctx->ctx);
 }
 
-static int drm_hdmi_mgr_initialize(struct device *subdrv_dev,
-               struct drm_device *drm_dev)
+static int drm_hdmi_mgr_initialize(void *in_ctx, struct drm_device *drm_dev)
 {
-       struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+       struct drm_hdmi_context *ctx = in_ctx;
        int ret = 0;
 
        if (mixer_ops && mixer_ops->initialize)
@@ -285,9 +290,9 @@ static int drm_hdmi_mgr_initialize(struct device 
*subdrv_dev,
        return ret;
 }
 
-static void drm_hdmi_dpms(struct device *subdrv_dev, int mode)
+static void drm_hdmi_dpms(void *in_ctx, int mode)
 {
-       struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+       struct drm_hdmi_context *ctx = in_ctx;
 
        if (mixer_ops && mixer_ops->dpms)
                mixer_ops->dpms(ctx->mixer_ctx->ctx, mode);
@@ -296,9 +301,9 @@ static void drm_hdmi_dpms(struct device *subdrv_dev, int 
mode)
                hdmi_ops->dpms(ctx->hdmi_ctx->ctx, mode);
 }
 
-static void drm_hdmi_apply(struct device *subdrv_dev)
+static void drm_hdmi_apply(void *in_ctx)
 {
-       struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+       struct drm_hdmi_context *ctx = in_ctx;
        int i;
 
        for (i = 0; i < MIXER_WIN_NR; i++) {
@@ -312,18 +317,18 @@ static void drm_hdmi_apply(struct device *subdrv_dev)
                hdmi_ops->commit(ctx->hdmi_ctx->ctx);
 }
 
-static void drm_mixer_win_mode_set(struct device *subdrv_dev,
-               struct exynos_drm_overlay *overlay)
+static void drm_mixer_win_mode_set(void *in_ctx,
+                               struct exynos_drm_overlay *overlay)
 {
-       struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+       struct drm_hdmi_context *ctx = in_ctx;
 
        if (mixer_ops && mixer_ops->win_mode_set)
                mixer_ops->win_mode_set(ctx->mixer_ctx->ctx, overlay);
 }
 
-static void drm_mixer_win_commit(struct device *subdrv_dev, int zpos)
+static void drm_mixer_win_commit(void *in_ctx, int zpos)
 {
-       struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+       struct drm_hdmi_context *ctx = in_ctx;
        int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos;
 
        if (win < 0 || win >= MIXER_WIN_NR) {
@@ -337,9 +342,9 @@ static void drm_mixer_win_commit(struct device *subdrv_dev, 
int zpos)
        ctx->enabled[win] = true;
 }
 
-static void drm_mixer_win_disable(struct device *subdrv_dev, int zpos)
+static void drm_mixer_win_disable(void *in_ctx, int zpos)
 {
-       struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+       struct drm_hdmi_context *ctx = in_ctx;
        int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos;
 
        if (win < 0 || win >= MIXER_WIN_NR) {
@@ -425,6 +430,8 @@ static int exynos_drm_hdmi_probe(struct platform_device 
*pdev)
        if (!ctx)
                return -ENOMEM;
 
+       hdmi_manager.ctx = ctx;
+
        subdrv = &ctx->subdrv;
 
        subdrv->dev = dev;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c 
b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 15a97ce..a583a74 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -152,9 +152,9 @@ static struct exynos_drm_display_ops vidi_display_ops = {
        .power_on = vidi_display_power_on,
 };
 
-static void vidi_dpms(struct device *subdrv_dev, int mode)
+static void vidi_dpms(void *in_ctx, int mode)
 {
-       struct vidi_context *ctx = get_vidi_context(subdrv_dev);
+       struct vidi_context *ctx = in_ctx;
 
        DRM_DEBUG_KMS("%d\n", mode);
 
@@ -177,9 +177,9 @@ static void vidi_dpms(struct device *subdrv_dev, int mode)
        mutex_unlock(&ctx->lock);
 }
 
-static void vidi_apply(struct device *subdrv_dev)
+static void vidi_apply(void *in_ctx)
 {
-       struct vidi_context *ctx = get_vidi_context(subdrv_dev);
+       struct vidi_context *ctx = in_ctx;
        struct exynos_drm_manager *mgr = ctx->subdrv.manager;
        struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
        struct vidi_win_data *win_data;
@@ -188,24 +188,24 @@ static void vidi_apply(struct device *subdrv_dev)
        for (i = 0; i < WINDOWS_NR; i++) {
                win_data = &ctx->win_data[i];
                if (win_data->enabled && (mgr_ops && mgr_ops->win_commit))
-                       mgr_ops->win_commit(subdrv_dev, i);
+                       mgr_ops->win_commit(ctx, i);
        }
 
        if (mgr_ops && mgr_ops->commit)
-               mgr_ops->commit(subdrv_dev);
+               mgr_ops->commit(ctx);
 }
 
-static void vidi_commit(struct device *dev)
+static void vidi_commit(void *in_ctx)
 {
-       struct vidi_context *ctx = get_vidi_context(dev);
+       struct vidi_context *ctx = in_ctx;
 
        if (ctx->suspended)
                return;
 }
 
-static int vidi_enable_vblank(struct device *dev)
+static int vidi_enable_vblank(void *in_ctx)
 {
-       struct vidi_context *ctx = get_vidi_context(dev);
+       struct vidi_context *ctx = in_ctx;
 
        if (ctx->suspended)
                return -EPERM;
@@ -225,9 +225,9 @@ static int vidi_enable_vblank(struct device *dev)
        return 0;
 }
 
-static void vidi_disable_vblank(struct device *dev)
+static void vidi_disable_vblank(void *in_ctx)
 {
-       struct vidi_context *ctx = get_vidi_context(dev);
+       struct vidi_context *ctx = in_ctx;
 
        if (ctx->suspended)
                return;
@@ -236,16 +236,15 @@ static void vidi_disable_vblank(struct device *dev)
                ctx->vblank_on = false;
 }
 
-static void vidi_win_mode_set(struct device *dev,
-                             struct exynos_drm_overlay *overlay)
+static void vidi_win_mode_set(void *in_ctx, struct exynos_drm_overlay *overlay)
 {
-       struct vidi_context *ctx = get_vidi_context(dev);
+       struct vidi_context *ctx = in_ctx;
        struct vidi_win_data *win_data;
        int win;
        unsigned long offset;
 
        if (!overlay) {
-               dev_err(dev, "overlay is NULL\n");
+               DRM_ERROR("overlay is NULL\n");
                return;
        }
 
@@ -289,9 +288,9 @@ static void vidi_win_mode_set(struct device *dev,
                        overlay->fb_width, overlay->crtc_width);
 }
 
-static void vidi_win_commit(struct device *dev, int zpos)
+static void vidi_win_commit(void *in_ctx, int zpos)
 {
-       struct vidi_context *ctx = get_vidi_context(dev);
+       struct vidi_context *ctx = in_ctx;
        struct vidi_win_data *win_data;
        int win = zpos;
 
@@ -314,9 +313,9 @@ static void vidi_win_commit(struct device *dev, int zpos)
                schedule_work(&ctx->work);
 }
 
-static void vidi_win_disable(struct device *dev, int zpos)
+static void vidi_win_disable(void *in_ctx, int zpos)
 {
-       struct vidi_context *ctx = get_vidi_context(dev);
+       struct vidi_context *ctx = in_ctx;
        struct vidi_win_data *win_data;
        int win = zpos;
 
@@ -405,17 +404,19 @@ static void vidi_subdrv_remove(struct drm_device 
*drm_dev, struct device *dev)
 
 static int vidi_power_on(struct vidi_context *ctx, bool enable)
 {
-       struct exynos_drm_subdrv *subdrv = &ctx->subdrv;
-       struct device *dev = subdrv->dev;
+       DRM_DEBUG_KMS("%s\n", __FILE__);
+
+       if (enable != false && enable != true)
+               return -EINVAL;
 
        if (enable) {
                ctx->suspended = false;
 
                /* if vblank was enabled status, enable it again. */
                if (test_and_clear_bit(0, &ctx->irq_flags))
-                       vidi_enable_vblank(dev);
+                       vidi_enable_vblank(ctx);
 
-               vidi_apply(dev);
+               vidi_apply(ctx);
        } else {
                ctx->suspended = true;
        }
-- 
1.8.4

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