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path: root/drivers/gpu/drm/msm/edp
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Diffstat (limited to 'drivers/gpu/drm/msm/edp')
-rw-r--r--drivers/gpu/drm/msm/edp/edp_connector.c20
-rw-r--r--drivers/gpu/drm/msm/edp/edp_ctrl.c29
2 files changed, 16 insertions, 33 deletions
diff --git a/drivers/gpu/drm/msm/edp/edp_connector.c b/drivers/gpu/drm/msm/edp/edp_connector.c
index b4d1b4698..72360cd03 100644
--- a/drivers/gpu/drm/msm/edp/edp_connector.c
+++ b/drivers/gpu/drm/msm/edp/edp_connector.c
@@ -37,7 +37,7 @@ static void edp_connector_destroy(struct drm_connector *connector)
struct edp_connector *edp_connector = to_edp_connector(connector);
DBG("");
- drm_connector_unregister(connector);
+
drm_connector_cleanup(connector);
kfree(edp_connector);
@@ -124,10 +124,8 @@ struct drm_connector *msm_edp_connector_init(struct msm_edp *edp)
int ret;
edp_connector = kzalloc(sizeof(*edp_connector), GFP_KERNEL);
- if (!edp_connector) {
- ret = -ENOMEM;
- goto fail;
- }
+ if (!edp_connector)
+ return ERR_PTR(-ENOMEM);
edp_connector->edp = edp;
@@ -136,7 +134,7 @@ struct drm_connector *msm_edp_connector_init(struct msm_edp *edp)
ret = drm_connector_init(edp->dev, connector, &edp_connector_funcs,
DRM_MODE_CONNECTOR_eDP);
if (ret)
- goto fail;
+ return ERR_PTR(ret);
drm_connector_helper_add(connector, &edp_connector_helper_funcs);
@@ -147,17 +145,7 @@ struct drm_connector *msm_edp_connector_init(struct msm_edp *edp)
connector->interlace_allowed = false;
connector->doublescan_allowed = false;
- ret = drm_connector_register(connector);
- if (ret)
- goto fail;
-
drm_mode_connector_attach_encoder(connector, edp->encoder);
return connector;
-
-fail:
- if (connector)
- edp_connector_destroy(connector);
-
- return ERR_PTR(ret);
}
diff --git a/drivers/gpu/drm/msm/edp/edp_ctrl.c b/drivers/gpu/drm/msm/edp/edp_ctrl.c
index 81200e9be..149bfe7dd 100644
--- a/drivers/gpu/drm/msm/edp/edp_ctrl.c
+++ b/drivers/gpu/drm/msm/edp/edp_ctrl.c
@@ -21,8 +21,6 @@
#include "edp.h"
#include "edp.xml.h"
-#define VDDA_MIN_UV 1800000 /* uV units */
-#define VDDA_MAX_UV 1800000 /* uV units */
#define VDDA_UA_ON_LOAD 100000 /* uA units */
#define VDDA_UA_OFF_LOAD 100 /* uA units */
@@ -67,7 +65,7 @@ struct edp_ctrl {
void __iomem *base;
/* regulators */
- struct regulator *vdda_vreg;
+ struct regulator *vdda_vreg; /* 1.8 V */
struct regulator *lvl_vreg;
/* clocks */
@@ -302,21 +300,24 @@ static void edp_clk_disable(struct edp_ctrl *ctrl, u32 clk_mask)
static int edp_regulator_init(struct edp_ctrl *ctrl)
{
struct device *dev = &ctrl->pdev->dev;
+ int ret;
DBG("");
ctrl->vdda_vreg = devm_regulator_get(dev, "vdda");
- if (IS_ERR(ctrl->vdda_vreg)) {
- pr_err("%s: Could not get vdda reg, ret = %ld\n", __func__,
- PTR_ERR(ctrl->vdda_vreg));
+ ret = PTR_ERR_OR_ZERO(ctrl->vdda_vreg);
+ if (ret) {
+ pr_err("%s: Could not get vdda reg, ret = %d\n", __func__,
+ ret);
ctrl->vdda_vreg = NULL;
- return PTR_ERR(ctrl->vdda_vreg);
+ return ret;
}
ctrl->lvl_vreg = devm_regulator_get(dev, "lvl-vdd");
- if (IS_ERR(ctrl->lvl_vreg)) {
- pr_err("Could not get lvl-vdd reg, %ld",
- PTR_ERR(ctrl->lvl_vreg));
+ ret = PTR_ERR_OR_ZERO(ctrl->lvl_vreg);
+ if (ret) {
+ pr_err("%s: Could not get lvl-vdd reg, ret = %d\n", __func__,
+ ret);
ctrl->lvl_vreg = NULL;
- return PTR_ERR(ctrl->lvl_vreg);
+ return ret;
}
return 0;
@@ -326,12 +327,6 @@ static int edp_regulator_enable(struct edp_ctrl *ctrl)
{
int ret;
- ret = regulator_set_voltage(ctrl->vdda_vreg, VDDA_MIN_UV, VDDA_MAX_UV);
- if (ret) {
- pr_err("%s:vdda_vreg set_voltage failed, %d\n", __func__, ret);
- goto vdda_set_fail;
- }
-
ret = regulator_set_load(ctrl->vdda_vreg, VDDA_UA_ON_LOAD);
if (ret < 0) {
pr_err("%s: vdda_vreg set regulator mode failed.\n", __func__);