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-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.c12
-rw-r--r--drivers/gpu/drm/exynos/exynos_hdmi.c8
-rw-r--r--drivers/gpu/drm/exynos/exynos_mixer.c11
3 files changed, 8 insertions, 23 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 121470a83d1..1bcbe07cecf 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -645,18 +645,6 @@ static int exynos_drm_init(void)
if (!is_exynos)
return -ENODEV;
- /*
- * Register device object only in case of Exynos SoC.
- *
- * Below codes resolves temporarily infinite loop issue incurred
- * by Exynos drm driver when using multi-platform kernel.
- * So these codes will be replaced with more generic way later.
- */
- if (!of_machine_is_compatible("samsung,exynos3") &&
- !of_machine_is_compatible("samsung,exynos4") &&
- !of_machine_is_compatible("samsung,exynos5"))
- return -ENODEV;
-
exynos_drm_pdev = platform_device_register_simple("exynos-drm", -1,
NULL, 0);
if (IS_ERR(exynos_drm_pdev))
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 5765a161abd..98051e8e855 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1669,7 +1669,6 @@ static void hdmi_mode_apply(struct hdmi_context *hdata)
static void hdmiphy_conf_reset(struct hdmi_context *hdata)
{
- u8 buffer[2];
u32 reg;
clk_disable_unprepare(hdata->res.sclk_hdmi);
@@ -1677,11 +1676,8 @@ static void hdmiphy_conf_reset(struct hdmi_context *hdata)
clk_prepare_enable(hdata->res.sclk_hdmi);
/* operation mode */
- buffer[0] = 0x1f;
- buffer[1] = 0x00;
-
- if (hdata->hdmiphy_port)
- i2c_master_send(hdata->hdmiphy_port, buffer, 2);
+ hdmiphy_reg_writeb(hdata, HDMIPHY_MODE_SET_DONE,
+ HDMI_PHY_ENABLE_MODE_SET);
if (hdata->type == HDMI_TYPE13)
reg = HDMI_V13_PHY_RSTOUT;
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 820b76234ef..064ed6597de 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -1026,6 +1026,7 @@ static void mixer_win_disable(struct exynos_drm_manager *mgr, int zpos)
static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr)
{
struct mixer_context *mixer_ctx = mgr_to_mixer(mgr);
+ int err;
mutex_lock(&mixer_ctx->mixer_mutex);
if (!mixer_ctx->powered) {
@@ -1034,7 +1035,11 @@ static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr)
}
mutex_unlock(&mixer_ctx->mixer_mutex);
- drm_vblank_get(mgr->crtc->dev, mixer_ctx->pipe);
+ err = drm_vblank_get(mgr->crtc->dev, mixer_ctx->pipe);
+ if (err < 0) {
+ DRM_DEBUG_KMS("failed to acquire vblank counter\n");
+ return;
+ }
atomic_set(&mixer_ctx->wait_vsync_event, 1);
@@ -1262,8 +1267,6 @@ static int mixer_bind(struct device *dev, struct device *manager, void *data)
return ret;
}
- pm_runtime_enable(dev);
-
return 0;
}
@@ -1272,8 +1275,6 @@ static void mixer_unbind(struct device *dev, struct device *master, void *data)
struct mixer_context *ctx = dev_get_drvdata(dev);
mixer_mgr_remove(&ctx->manager);
-
- pm_runtime_disable(dev);
}
static const struct component_ops mixer_component_ops = {