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authorDave Airlie <airlied@redhat.com>2017-12-01 00:09:30 +0100
committerDave Airlie <airlied@redhat.com>2017-12-01 00:09:30 +0100
commite4b2eb13e0b13217d3bd1923d61572a45b78fccb (patch)
treeb194658488de1841f07d546b22175ca6ff58fabf /drivers
parentMerge tag 'drm-for-v4.15-part2-fixes' of git://people.freedesktop.org/~airlie... (diff)
parentdrm/bridge: tc358767: fix 1-lane behavior (diff)
downloadlinux-e4b2eb13e0b13217d3bd1923d61572a45b78fccb.tar.xz
linux-e4b2eb13e0b13217d3bd1923d61572a45b78fccb.zip
Merge tag 'drm-misc-fixes-2017-11-30' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for -rc2 - big pile of bridge driver (mostly tc358767), all handled by Archit and Andrez - rockchip dsi fix - atomic helper regression fix for spurious -EBUSY (Maarten) - fix deferred fbdev fallout (Maarten) * tag 'drm-misc-fixes-2017-11-30' of git://anongit.freedesktop.org/drm/drm-misc: drm/bridge: tc358767: fix 1-lane behavior drm/bridge: tc358767: fix AUXDATAn registers access drm/bridge: tc358767: fix timing calculations drm/bridge: tc358767: fix DP0_MISC register set drm/bridge: tc358767: filter out too high modes drm/bridge: tc358767: do no fail on hi-res displays drm/bridge: Fix lvds-encoder since the panel_bridge rework. drm/bridge: synopsys/dw-hdmi: Enable cec clock drm/bridge: adv7511/33: Fix adv7511_cec_init() failure handling drm/fb_helper: Disable all crtc's when initial setup fails. drm/atomic: make drm_atomic_helper_wait_for_vblanks more agressive drm/rockchip: dw-mipi-dsi: fix possible un-balanced runtime PM enable
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/bridge/adv7511/adv7511.h13
-rw-r--r--drivers/gpu/drm/bridge/adv7511/adv7511_cec.c32
-rw-r--r--drivers/gpu/drm/bridge/adv7511/adv7511_drv.c17
-rw-r--r--drivers/gpu/drm/bridge/lvds-encoder.c48
-rw-r--r--drivers/gpu/drm/bridge/synopsys/dw-hdmi.c25
-rw-r--r--drivers/gpu/drm/bridge/tc358767.c73
-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c2
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c4
-rw-r--r--drivers/gpu/drm/rockchip/dw-mipi-dsi.c3
9 files changed, 149 insertions, 68 deletions
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h
index b4efcbabf7f7..d034b2cb5eee 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511.h
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h
@@ -372,9 +372,18 @@ struct adv7511 {
};
#ifdef CONFIG_DRM_I2C_ADV7511_CEC
-int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511,
- unsigned int offset);
+int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511);
void adv7511_cec_irq_process(struct adv7511 *adv7511, unsigned int irq1);
+#else
+static inline int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511)
+{
+ unsigned int offset = adv7511->type == ADV7533 ?
+ ADV7533_REG_CEC_OFFSET : 0;
+
+ regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset,
+ ADV7511_CEC_CTRL_POWER_DOWN);
+ return 0;
+}
#endif
#ifdef CONFIG_DRM_I2C_ADV7533
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c b/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c
index b33d730e4d73..a20a45c0b353 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_cec.c
@@ -300,18 +300,21 @@ static int adv7511_cec_parse_dt(struct device *dev, struct adv7511 *adv7511)
return 0;
}
-int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511,
- unsigned int offset)
+int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511)
{
+ unsigned int offset = adv7511->type == ADV7533 ?
+ ADV7533_REG_CEC_OFFSET : 0;
int ret = adv7511_cec_parse_dt(dev, adv7511);
if (ret)
- return ret;
+ goto err_cec_parse_dt;
adv7511->cec_adap = cec_allocate_adapter(&adv7511_cec_adap_ops,
adv7511, dev_name(dev), CEC_CAP_DEFAULTS, ADV7511_MAX_ADDRS);
- if (IS_ERR(adv7511->cec_adap))
- return PTR_ERR(adv7511->cec_adap);
+ if (IS_ERR(adv7511->cec_adap)) {
+ ret = PTR_ERR(adv7511->cec_adap);
+ goto err_cec_alloc;
+ }
regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset, 0);
/* cec soft reset */
@@ -329,9 +332,18 @@ int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511,
((adv7511->cec_clk_freq / 750000) - 1) << 2);
ret = cec_register_adapter(adv7511->cec_adap, dev);
- if (ret) {
- cec_delete_adapter(adv7511->cec_adap);
- adv7511->cec_adap = NULL;
- }
- return ret;
+ if (ret)
+ goto err_cec_register;
+ return 0;
+
+err_cec_register:
+ cec_delete_adapter(adv7511->cec_adap);
+ adv7511->cec_adap = NULL;
+err_cec_alloc:
+ dev_info(dev, "Initializing CEC failed with error %d, disabling CEC\n",
+ ret);
+err_cec_parse_dt:
+ regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset,
+ ADV7511_CEC_CTRL_POWER_DOWN);
+ return ret == -EPROBE_DEFER ? ret : 0;
}
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
index 0e14f1572d05..efa29db5fc2b 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
@@ -1084,7 +1084,6 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
struct device *dev = &i2c->dev;
unsigned int main_i2c_addr = i2c->addr << 1;
unsigned int edid_i2c_addr = main_i2c_addr + 4;
- unsigned int offset;
unsigned int val;
int ret;
@@ -1192,24 +1191,16 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
if (adv7511->type == ADV7511)
adv7511_set_link_config(adv7511, &link_config);
+ ret = adv7511_cec_init(dev, adv7511);
+ if (ret)
+ goto err_unregister_cec;
+
adv7511->bridge.funcs = &adv7511_bridge_funcs;
adv7511->bridge.of_node = dev->of_node;
drm_bridge_add(&adv7511->bridge);
adv7511_audio_init(dev, adv7511);
-
- offset = adv7511->type == ADV7533 ? ADV7533_REG_CEC_OFFSET : 0;
-
-#ifdef CONFIG_DRM_I2C_ADV7511_CEC
- ret = adv7511_cec_init(dev, adv7511, offset);
- if (ret)
- goto err_unregister_cec;
-#else
- regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset,
- ADV7511_CEC_CTRL_POWER_DOWN);
-#endif
-
return 0;
err_unregister_cec:
diff --git a/drivers/gpu/drm/bridge/lvds-encoder.c b/drivers/gpu/drm/bridge/lvds-encoder.c
index 0903ba574f61..75b0d3f6e4de 100644
--- a/drivers/gpu/drm/bridge/lvds-encoder.c
+++ b/drivers/gpu/drm/bridge/lvds-encoder.c
@@ -13,13 +13,37 @@
#include <linux/of_graph.h>
+struct lvds_encoder {
+ struct drm_bridge bridge;
+ struct drm_bridge *panel_bridge;
+};
+
+static int lvds_encoder_attach(struct drm_bridge *bridge)
+{
+ struct lvds_encoder *lvds_encoder = container_of(bridge,
+ struct lvds_encoder,
+ bridge);
+
+ return drm_bridge_attach(bridge->encoder, lvds_encoder->panel_bridge,
+ bridge);
+}
+
+static struct drm_bridge_funcs funcs = {
+ .attach = lvds_encoder_attach,
+};
+
static int lvds_encoder_probe(struct platform_device *pdev)
{
struct device_node *port;
struct device_node *endpoint;
struct device_node *panel_node;
struct drm_panel *panel;
- struct drm_bridge *bridge;
+ struct lvds_encoder *lvds_encoder;
+
+ lvds_encoder = devm_kzalloc(&pdev->dev, sizeof(*lvds_encoder),
+ GFP_KERNEL);
+ if (!lvds_encoder)
+ return -ENOMEM;
/* Locate the panel DT node. */
port = of_graph_get_port_by_id(pdev->dev.of_node, 1);
@@ -49,20 +73,30 @@ static int lvds_encoder_probe(struct platform_device *pdev)
return -EPROBE_DEFER;
}
- bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_LVDS);
- if (IS_ERR(bridge))
- return PTR_ERR(bridge);
+ lvds_encoder->panel_bridge =
+ devm_drm_panel_bridge_add(&pdev->dev,
+ panel, DRM_MODE_CONNECTOR_LVDS);
+ if (IS_ERR(lvds_encoder->panel_bridge))
+ return PTR_ERR(lvds_encoder->panel_bridge);
+
+ /* The panel_bridge bridge is attached to the panel's of_node,
+ * but we need a bridge attached to our of_node for our user
+ * to look up.
+ */
+ lvds_encoder->bridge.of_node = pdev->dev.of_node;
+ lvds_encoder->bridge.funcs = &funcs;
+ drm_bridge_add(&lvds_encoder->bridge);
- platform_set_drvdata(pdev, bridge);
+ platform_set_drvdata(pdev, lvds_encoder);
return 0;
}
static int lvds_encoder_remove(struct platform_device *pdev)
{
- struct drm_bridge *bridge = platform_get_drvdata(pdev);
+ struct lvds_encoder *lvds_encoder = platform_get_drvdata(pdev);
- drm_bridge_remove(bridge);
+ drm_bridge_remove(&lvds_encoder->bridge);
return 0;
}
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index bf14214fa464..b72259bf6e2f 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -138,6 +138,7 @@ struct dw_hdmi {
struct device *dev;
struct clk *isfr_clk;
struct clk *iahb_clk;
+ struct clk *cec_clk;
struct dw_hdmi_i2c *i2c;
struct hdmi_data_info hdmi_data;
@@ -2382,6 +2383,26 @@ __dw_hdmi_probe(struct platform_device *pdev,
goto err_isfr;
}
+ hdmi->cec_clk = devm_clk_get(hdmi->dev, "cec");
+ if (PTR_ERR(hdmi->cec_clk) == -ENOENT) {
+ hdmi->cec_clk = NULL;
+ } else if (IS_ERR(hdmi->cec_clk)) {
+ ret = PTR_ERR(hdmi->cec_clk);
+ if (ret != -EPROBE_DEFER)
+ dev_err(hdmi->dev, "Cannot get HDMI cec clock: %d\n",
+ ret);
+
+ hdmi->cec_clk = NULL;
+ goto err_iahb;
+ } else {
+ ret = clk_prepare_enable(hdmi->cec_clk);
+ if (ret) {
+ dev_err(hdmi->dev, "Cannot enable HDMI cec clock: %d\n",
+ ret);
+ goto err_iahb;
+ }
+ }
+
/* Product and revision IDs */
hdmi->version = (hdmi_readb(hdmi, HDMI_DESIGN_ID) << 8)
| (hdmi_readb(hdmi, HDMI_REVISION_ID) << 0);
@@ -2518,6 +2539,8 @@ err_iahb:
cec_notifier_put(hdmi->cec_notifier);
clk_disable_unprepare(hdmi->iahb_clk);
+ if (hdmi->cec_clk)
+ clk_disable_unprepare(hdmi->cec_clk);
err_isfr:
clk_disable_unprepare(hdmi->isfr_clk);
err_res:
@@ -2541,6 +2564,8 @@ static void __dw_hdmi_remove(struct dw_hdmi *hdmi)
clk_disable_unprepare(hdmi->iahb_clk);
clk_disable_unprepare(hdmi->isfr_clk);
+ if (hdmi->cec_clk)
+ clk_disable_unprepare(hdmi->cec_clk);
if (hdmi->i2c)
i2c_del_adapter(&hdmi->i2c->adap);
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 8571cfd877c5..8636e7eeb731 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -97,7 +97,7 @@
#define DP0_ACTIVEVAL 0x0650
#define DP0_SYNCVAL 0x0654
#define DP0_MISC 0x0658
-#define TU_SIZE_RECOMMENDED (0x3f << 16) /* LSCLK cycles per TU */
+#define TU_SIZE_RECOMMENDED (63) /* LSCLK cycles per TU */
#define BPC_6 (0 << 5)
#define BPC_8 (1 << 5)
@@ -318,7 +318,7 @@ static ssize_t tc_aux_transfer(struct drm_dp_aux *aux,
tmp = (tmp << 8) | buf[i];
i++;
if (((i % 4) == 0) || (i == size)) {
- tc_write(DP0_AUXWDATA(i >> 2), tmp);
+ tc_write(DP0_AUXWDATA((i - 1) >> 2), tmp);
tmp = 0;
}
}
@@ -603,8 +603,15 @@ static int tc_get_display_props(struct tc_data *tc)
ret = drm_dp_link_probe(&tc->aux, &tc->link.base);
if (ret < 0)
goto err_dpcd_read;
- if ((tc->link.base.rate != 162000) && (tc->link.base.rate != 270000))
- goto err_dpcd_inval;
+ if (tc->link.base.rate != 162000 && tc->link.base.rate != 270000) {
+ dev_dbg(tc->dev, "Falling to 2.7 Gbps rate\n");
+ tc->link.base.rate = 270000;
+ }
+
+ if (tc->link.base.num_lanes > 2) {
+ dev_dbg(tc->dev, "Falling to 2 lanes\n");
+ tc->link.base.num_lanes = 2;
+ }
ret = drm_dp_dpcd_readb(&tc->aux, DP_MAX_DOWNSPREAD, tmp);
if (ret < 0)
@@ -637,9 +644,6 @@ static int tc_get_display_props(struct tc_data *tc)
err_dpcd_read:
dev_err(tc->dev, "failed to read DPCD: %d\n", ret);
return ret;
-err_dpcd_inval:
- dev_err(tc->dev, "invalid DPCD\n");
- return -EINVAL;
}
static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
@@ -655,6 +659,14 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
int lower_margin = mode->vsync_start - mode->vdisplay;
int vsync_len = mode->vsync_end - mode->vsync_start;
+ /*
+ * Recommended maximum number of symbols transferred in a transfer unit:
+ * DIV_ROUND_UP((input active video bandwidth in bytes) * tu_size,
+ * (output active video bandwidth in bytes))
+ * Must be less than tu_size.
+ */
+ max_tu_symbol = TU_SIZE_RECOMMENDED - 1;
+
dev_dbg(tc->dev, "set mode %dx%d\n",
mode->hdisplay, mode->vdisplay);
dev_dbg(tc->dev, "H margin %d,%d sync %d\n",
@@ -664,13 +676,18 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
dev_dbg(tc->dev, "total: %dx%d\n", mode->htotal, mode->vtotal);
- /* LCD Ctl Frame Size */
- tc_write(VPCTRL0, (0x40 << 20) /* VSDELAY */ |
+ /*
+ * LCD Ctl Frame Size
+ * datasheet is not clear of vsdelay in case of DPI
+ * assume we do not need any delay when DPI is a source of
+ * sync signals
+ */
+ tc_write(VPCTRL0, (0 << 20) /* VSDELAY */ |
OPXLFMT_RGB888 | FRMSYNC_DISABLED | MSF_DISABLED);
- tc_write(HTIM01, (left_margin << 16) | /* H back porch */
- (hsync_len << 0)); /* Hsync */
- tc_write(HTIM02, (right_margin << 16) | /* H front porch */
- (mode->hdisplay << 0)); /* width */
+ tc_write(HTIM01, (ALIGN(left_margin, 2) << 16) | /* H back porch */
+ (ALIGN(hsync_len, 2) << 0)); /* Hsync */
+ tc_write(HTIM02, (ALIGN(right_margin, 2) << 16) | /* H front porch */
+ (ALIGN(mode->hdisplay, 2) << 0)); /* width */
tc_write(VTIM01, (upper_margin << 16) | /* V back porch */
(vsync_len << 0)); /* Vsync */
tc_write(VTIM02, (lower_margin << 16) | /* V front porch */
@@ -689,7 +706,7 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
/* DP Main Stream Attributes */
vid_sync_dly = hsync_len + left_margin + mode->hdisplay;
tc_write(DP0_VIDSYNCDELAY,
- (0x003e << 16) | /* thresh_dly */
+ (max_tu_symbol << 16) | /* thresh_dly */
(vid_sync_dly << 0));
tc_write(DP0_TOTALVAL, (mode->vtotal << 16) | (mode->htotal));
@@ -705,14 +722,8 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode)
tc_write(DPIPXLFMT, VS_POL_ACTIVE_LOW | HS_POL_ACTIVE_LOW |
DE_POL_ACTIVE_HIGH | SUB_CFG_TYPE_CONFIG1 | DPI_BPP_RGB888);
- /*
- * Recommended maximum number of symbols transferred in a transfer unit:
- * DIV_ROUND_UP((input active video bandwidth in bytes) * tu_size,
- * (output active video bandwidth in bytes))
- * Must be less than tu_size.
- */
- max_tu_symbol = TU_SIZE_RECOMMENDED - 1;
- tc_write(DP0_MISC, (max_tu_symbol << 23) | TU_SIZE_RECOMMENDED | BPC_8);
+ tc_write(DP0_MISC, (max_tu_symbol << 23) | (TU_SIZE_RECOMMENDED << 16) |
+ BPC_8);
return 0;
err:
@@ -808,8 +819,6 @@ static int tc_main_link_setup(struct tc_data *tc)
unsigned int rate;
u32 dp_phy_ctrl;
int timeout;
- bool aligned;
- bool ready;
u32 value;
int ret;
u8 tmp[8];
@@ -954,16 +963,15 @@ static int tc_main_link_setup(struct tc_data *tc)
ret = drm_dp_dpcd_read_link_status(aux, tmp + 2);
if (ret < 0)
goto err_dpcd_read;
- ready = (tmp[2] == ((DP_CHANNEL_EQ_BITS << 4) | /* Lane1 */
- DP_CHANNEL_EQ_BITS)); /* Lane0 */
- aligned = tmp[4] & DP_INTERLANE_ALIGN_DONE;
- } while ((--timeout) && !(ready && aligned));
+ } while ((--timeout) &&
+ !(drm_dp_channel_eq_ok(tmp + 2, tc->link.base.num_lanes)));
if (timeout == 0) {
/* Read DPCD 0x200-0x201 */
ret = drm_dp_dpcd_read(aux, DP_SINK_COUNT, tmp, 2);
if (ret < 0)
goto err_dpcd_read;
+ dev_err(dev, "channel(s) EQ not ok\n");
dev_info(dev, "0x0200 SINK_COUNT: 0x%02x\n", tmp[0]);
dev_info(dev, "0x0201 DEVICE_SERVICE_IRQ_VECTOR: 0x%02x\n",
tmp[1]);
@@ -974,10 +982,6 @@ static int tc_main_link_setup(struct tc_data *tc)
dev_info(dev, "0x0206 ADJUST_REQUEST_LANE0_1: 0x%02x\n",
tmp[6]);
- if (!ready)
- dev_err(dev, "Lane0/1 not ready\n");
- if (!aligned)
- dev_err(dev, "Lane0/1 not aligned\n");
return -EAGAIN;
}
@@ -1099,7 +1103,10 @@ static bool tc_bridge_mode_fixup(struct drm_bridge *bridge,
static int tc_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
- /* Accept any mode */
+ /* DPI interface clock limitation: upto 154 MHz */
+ if (mode->clock > 154000)
+ return MODE_CLOCK_HIGH;
+
return MODE_OK;
}
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 71d712f1b56a..b16f1d69a0bb 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1225,7 +1225,7 @@ drm_atomic_helper_wait_for_vblanks(struct drm_device *dev,
return;
for_each_oldnew_crtc_in_state(old_state, crtc, old_crtc_state, new_crtc_state, i) {
- if (!new_crtc_state->active || !new_crtc_state->planes_changed)
+ if (!new_crtc_state->active)
continue;
ret = drm_crtc_vblank_get(crtc);
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 07374008f146..e56166334455 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1809,6 +1809,10 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
if (crtc_count == 0 || sizes.fb_width == -1 || sizes.fb_height == -1) {
DRM_INFO("Cannot find any crtc or sizes\n");
+
+ /* First time: disable all crtc's.. */
+ if (!fb_helper->deferred_setup && !READ_ONCE(fb_helper->dev->master))
+ restore_fbdev_mode(fb_helper);
return -EAGAIN;
}
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
index b15755b6129c..b1fe0639227e 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
@@ -1285,8 +1285,6 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
goto err_pllref;
}
- pm_runtime_enable(dev);
-
dsi->dsi_host.ops = &dw_mipi_dsi_host_ops;
dsi->dsi_host.dev = dev;
ret = mipi_dsi_host_register(&dsi->dsi_host);
@@ -1301,6 +1299,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
}
dev_set_drvdata(dev, dsi);
+ pm_runtime_enable(dev);
return 0;
err_mipi_dsi_host: