exynos-drm-hdmi need context pointers from hdmi and mixer. These
pointers were expected from the plf data. Cleaned this dependency
by exporting i/f which are called by hdmi, mixer driver probes
for setting their context.
Signed-off-by: Rahul Sharma <rahul.sharma@xxxxxxxxxxx>
---
drivers/gpu/drm/exynos/exynos_drm_hdmi.c | 47 +++++++++++++++--------------
drivers/gpu/drm/exynos/exynos_drm_hdmi.h | 2 +
drivers/gpu/drm/exynos/exynos_hdmi.c | 3 ++
drivers/gpu/drm/exynos/exynos_mixer.c | 3 ++
4 files changed, 32 insertions(+), 23 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index 0584132..4c8d933 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -29,6 +29,11 @@
#define get_ctx_from_subdrv(subdrv) container_of(subdrv,\
struct drm_hdmi_context, subdrv);
+/* Common hdmi subdrv needs to access the hdmi and mixer though context.
+* These should be initialied by the repective drivers */
+static struct exynos_drm_hdmi_context *hdmi_ctx;
+static struct exynos_drm_hdmi_context *mixer_ctx;
+
/* these callback points shoud be set by specific drivers. */
static struct exynos_hdmi_ops *hdmi_ops;
static struct exynos_mixer_ops *mixer_ops;
@@ -41,6 +46,18 @@ struct drm_hdmi_context {
bool enabled[MIXER_WIN_NR];
};
+void exynos_hdmi_drv_attach(struct exynos_drm_hdmi_context *ctx)
+{
+ if (ctx)
+ hdmi_ctx = ctx;
+}
+
+void exynos_mixer_drv_attach(struct exynos_drm_hdmi_context *ctx)
+{
+ if (ctx)
+ mixer_ctx = ctx;
+}
+
void exynos_hdmi_ops_register(struct exynos_hdmi_ops *ops)
{
DRM_DEBUG_KMS("%s\n", __FILE__);
@@ -303,46 +320,30 @@ static int hdmi_subdrv_probe(struct drm_device *drm_dev,
{
struct exynos_drm_subdrv *subdrv = to_subdrv(dev);
struct drm_hdmi_context *ctx;
- struct platform_device *pdev = to_platform_device(dev);
- struct exynos_drm_common_hdmi_pd *pd;
DRM_DEBUG_KMS("%s\n", __FILE__);
- pd = pdev->dev.platform_data;
-
- if (!pd) {
- DRM_DEBUG_KMS("platform data is null.\n");
- return -EFAULT;
- }
-
- if (!pd->hdmi_dev) {
+ if (!hdmi_ctx) {
DRM_DEBUG_KMS("hdmi device is null.\n");
return -EFAULT;
}
- if (!pd->mixer_dev) {
+ if (!mixer_ctx) {
DRM_DEBUG_KMS("mixer device is null.\n");
return -EFAULT;
}
ctx = get_ctx_from_subdrv(subdrv);
- ctx->hdmi_ctx = (struct exynos_drm_hdmi_context *)
- to_context(pd->hdmi_dev);
- if (!ctx->hdmi_ctx) {
- DRM_DEBUG_KMS("hdmi context is null.\n");
+ if (!ctx) {
+ DRM_DEBUG_KMS("context is null.\n");
return -EFAULT;
}
- ctx->hdmi_ctx->drm_dev = drm_dev;
-
- ctx->mixer_ctx = (struct exynos_drm_hdmi_context *)
- to_context(pd->mixer_dev);
- if (!ctx->mixer_ctx) {
- DRM_DEBUG_KMS("mixer context is null.\n");
- return -EFAULT;
- }
+ ctx->hdmi_ctx = hdmi_ctx;
+ ctx->mixer_ctx = mixer_ctx;
+ ctx->hdmi_ctx->drm_dev = drm_dev;
ctx->mixer_ctx->drm_dev = drm_dev;
return 0;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
index d9f9e9f..2da5ffd 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
@@ -73,6 +73,8 @@ struct exynos_mixer_ops {
void (*win_disable)(void *ctx, int zpos);
};
+void exynos_hdmi_drv_attach(struct exynos_drm_hdmi_context *ctx);
+void exynos_mixer_drv_attach(struct exynos_drm_hdmi_context *ctx);
void exynos_hdmi_ops_register(struct exynos_hdmi_ops *ops);
void exynos_mixer_ops_register(struct exynos_mixer_ops *ops);
#endif
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 5236256..82ee810 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -2599,6 +2599,9 @@ static int __devinit hdmi_probe(struct platform_device *pdev)
drm_hdmi_ctx = platform_get_drvdata(pdev);
+ /* Attach HDMI Driver to common hdmi. */
+ exynos_hdmi_drv_attach(drm_hdmi_ctx);
+
/* register specific callbacks to common hdmi. */
exynos_hdmi_ops_register(&hdmi_ops);
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 7d04a40..f9e26f2 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -1165,6 +1165,9 @@ static int __devinit mixer_probe(struct platform_device *pdev)
if (ret)
goto fail;
+ /* attach mixer driver to common hdmi. */
+ exynos_mixer_drv_attach(drm_hdmi_ctx);
+
/* register specific callback point to common hdmi. */
exynos_mixer_ops_register(&mixer_ops);
--
1.7.0.4
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