Merge tag 'drm/panel/for-4.5-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next

drm/panel: Changes for v4.5-rc1

This set of changes brings in a few more helpers for DSI support as well
as a couple of new drivers and support for some more simple panels.

* tag 'drm/panel/for-4.5-rc1' of git://anongit.freedesktop.org/tegra/linux:
  drm/panel: simple: Add QiaoDian qd43003c0-40
  of: Add vendor prefix for QiaoDian Xianshi
  drm/panel: add kernel doc for size attributes in panel_desc
  drm/panel: simple: Add support for Kyocera TCG121XGLP panel
  devicetree: add vendor prefix for Kyocera Corporation
  drm/bridge: Remove gratuitous blank line
  drm/bridge: dw-hdmi: Use dashes in filenames
  drm/panel: Add Sharp LS043T1LE01 MIPI DSI panel
  dt-bindings: Add Sharp LS043T1LE01 panel binding
  drm/dsi: Add Turn On/Shutdown Peripheral command helpers
  drm/panel: Add Panasonic VVX10F034N00 MIPI DSI panel
  dt-bindings: Add Panasonic VVX10F034N00 panel binding
  drm/panel: simple: Add support for Innolux G121X1-L03
  drm/panel: simple: Add support for BOE TV080WUM-NL0
  dt-bindings: Add BOE TV080WUM-NL0 panel binding
  of: Add vendor prefix for BOE Technology Group
  drm/dsi: Add a helper to get bits per pixel of MIPI DSI pixel format

20 files changed, 1008 insertions, 6 deletions

diff --git a/Documentation/devicetree/bindings/display/panel/boe,tv080wum-nl0.txt b/Documentation/devicetree/bindings/display/panel/boe,tv080wum-nl0.txt
new file mode 100644
index 000000000000..50be5e2438b2
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/boe,tv080wum-nl0.txt
@@ -0,0 +1,7 @@
+Boe Corporation 8.0" WUXGA TFT LCD panel
+
+Required properties:
+- compatible: should be "boe,tv080wum-nl0"
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.
diff --git a/Documentation/devicetree/bindings/display/panel/innolux,g121x1-l03.txt b/Documentation/devicetree/bindings/display/panel/innolux,g121x1-l03.txt
new file mode 100644
index 000000000000..649744620ae1
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/innolux,g121x1-l03.txt
@@ -0,0 +1,7 @@
+Innolux Corporation 12.1" G121X1-L03 XGA (1024x768) TFT LCD panel
+
+Required properties:
+- compatible: should be "innolux,g121x1-l03"
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.
diff --git a/Documentation/devicetree/bindings/display/panel/kyo,tcg121xglp.txt b/Documentation/devicetree/bindings/display/panel/kyo,tcg121xglp.txt
new file mode 100644
index 000000000000..a8e940fe731e
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/kyo,tcg121xglp.txt
@@ -0,0 +1,7 @@
+Kyocera Corporation 12.1" XGA (1024x768) TFT LCD panel
+
+Required properties:
+- compatible: should be "kyo,tcg121xglp"
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.
diff --git a/Documentation/devicetree/bindings/display/panel/sharp,ls043t1le01.txt b/Documentation/devicetree/bindings/display/panel/sharp,ls043t1le01.txt
new file mode 100644
index 000000000000..3770a111968b
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/sharp,ls043t1le01.txt
@@ -0,0 +1,22 @@
+Sharp Microelectronics 4.3" qHD TFT LCD panel
+
+Required properties:
+- compatible: should be "sharp,ls043t1le01-qhd"
+- reg: DSI virtual channel of the peripheral
+- power-supply: phandle of the regulator that provides the supply voltage
+
+Optional properties:
+- backlight: phandle of the backlight device attached to the panel
+- reset-gpios: a GPIO spec for the reset pin
+
+Example:
+
+        mdss_dsi@fd922800 {
+                panel@0 {
+                        compatible = "sharp,ls043t1le01-qhd";
+                        reg = <0>;
+                        avdd-supply = <&pm8941_l22>;
+                        backlight = <&pm8941_wled>;
+                        reset-gpios = <&pm8941_gpios 19 GPIO_ACTIVE_HIGH>;
+                };
+        };
diff --git a/Documentation/devicetree/bindings/panel/panasonic,vvx10f034n00.txt b/Documentation/devicetree/bindings/panel/panasonic,vvx10f034n00.txt
new file mode 100644
index 000000000000..37dedf6a6702
--- /dev/null
+++ b/Documentation/devicetree/bindings/panel/panasonic,vvx10f034n00.txt
@@ -0,0 +1,20 @@
+Panasonic 10" WUXGA TFT LCD panel
+
+Required properties:
+- compatible: should be "panasonic,vvx10f034n00"
+- reg: DSI virtual channel of the peripheral
+- power-supply: phandle of the regulator that provides the supply voltage
+
+Optional properties:
+- backlight: phandle of the backlight device attached to the panel
+
+Example:
+
+        mdss_dsi@fd922800 {
+                panel@0 {
+                        compatible = "panasonic,vvx10f034n00";
+                        reg = <0>;
+                        power-supply = <&vreg_vsp>;
+                        backlight = <&lp8566_wled>;
+                };
+        };
diff --git a/Documentation/devicetree/bindings/panel/qiaodian,qd43003c0-40.txt b/Documentation/devicetree/bindings/panel/qiaodian,qd43003c0-40.txt
new file mode 100644
index 000000000000..0fbdab89ac3d
--- /dev/null
+++ b/Documentation/devicetree/bindings/panel/qiaodian,qd43003c0-40.txt
@@ -0,0 +1,7 @@
+QiaoDian XianShi Corporation 4"3 TFT LCD panel
+
+Required properties:
+- compatible: should be "qiaodian,qd43003c0-40"
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 55df1d444e9f..6b0fc4ff3c47 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -33,6 +33,7 @@ auo	AU Optronics Corporation
 avago   Avago Technologies
 avic    Shanghai AVIC Optoelectronics Co., Ltd.
 axis    Axis Communications AB
+boe     BOE Technology Group Co., Ltd.
 bosch   Bosch Sensortec GmbH
 boundary        Boundary Devices Inc.
 brcm    Broadcom Corporation
@@ -123,6 +124,7 @@ jedec	JEDEC Solid State Technology Association
 karo    Ka-Ro electronics GmbH
 keymile Keymile GmbH
 kinetic Kinetic Technologies
+kyo     Kyocera Corporation
 lacie   LaCie
 lantiq  Lantiq Semiconductor
 lenovo  Lenovo Group Ltd.
@@ -180,6 +182,7 @@ qca	Qualcomm Atheros, Inc.
 qcom    Qualcomm Technologies, Inc
 qemu    QEMU, a generic and open source machine emulator and virtualizer
 qi      Qi Hardware
+qiaodian        QiaoDian XianShi Corporation
 qnap    QNAP Systems, Inc.
 radxa   Radxa
 raidsonic       RaidSonic Technology GmbH
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index 6dddd392aa42..27e2022de89d 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -22,7 +22,6 @@ config DRM_DW_HDMI_AHB_AUDIO
           Designware HDMI block.  This is used in conjunction with
           the i.MX6 HDMI driver.
 
-
 config DRM_NXP_PTN3460
         tristate "NXP PTN3460 DP/LVDS bridge"
         depends on OF
diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile
index d4e28beec30e..f13c33d67c03 100644
--- a/drivers/gpu/drm/bridge/Makefile
+++ b/drivers/gpu/drm/bridge/Makefile
@@ -1,6 +1,6 @@
 ccflags-y := -Iinclude/drm
 
-obj-$(CONFIG_DRM_DW_HDMI) += dw_hdmi.o
-obj-$(CONFIG_DRM_DW_HDMI_AHB_AUDIO) += dw_hdmi-ahb-audio.o
+obj-$(CONFIG_DRM_DW_HDMI) += dw-hdmi.o
+obj-$(CONFIG_DRM_DW_HDMI_AHB_AUDIO) += dw-hdmi-ahb-audio.o
 obj-$(CONFIG_DRM_NXP_PTN3460) += nxp-ptn3460.o
 obj-$(CONFIG_DRM_PARADE_PS8622) += parade-ps8622.o
diff --git a/drivers/gpu/drm/bridge/dw_hdmi-ahb-audio.c b/drivers/gpu/drm/bridge/dw-hdmi-ahb-audio.c
index 59f630f1c61a..122bb015f4a9 100644
--- a/drivers/gpu/drm/bridge/dw_hdmi-ahb-audio.c
+++ b/drivers/gpu/drm/bridge/dw-hdmi-ahb-audio.c
@@ -21,7 +21,7 @@
 #include <sound/pcm_drm_eld.h>
 #include <sound/pcm_iec958.h>
 
-#include "dw_hdmi-audio.h"
+#include "dw-hdmi-audio.h"
 
 #define DRIVER_NAME "dw-hdmi-ahb-audio"
 
diff --git a/drivers/gpu/drm/bridge/dw_hdmi-audio.h b/drivers/gpu/drm/bridge/dw-hdmi-audio.h
index 91f631beecc7..91f631beecc7 100644
--- a/drivers/gpu/drm/bridge/dw_hdmi-audio.h
+++ b/drivers/gpu/drm/bridge/dw-hdmi-audio.h
diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c
index 56de9f1c95fc..298018a8562e 100644
--- a/drivers/gpu/drm/bridge/dw_hdmi.c
+++ b/drivers/gpu/drm/bridge/dw-hdmi.c
@@ -27,8 +27,8 @@
 #include <drm/drm_encoder_slave.h>
 #include <drm/bridge/dw_hdmi.h>
 
-#include "dw_hdmi.h"
-#include "dw_hdmi-audio.h"
+#include "dw-hdmi.h"
+#include "dw-hdmi-audio.h"
 
 #define HDMI_EDID_LEN           512
 
diff --git a/drivers/gpu/drm/bridge/dw_hdmi.h b/drivers/gpu/drm/bridge/dw-hdmi.h
index fc9a560429d6..fc9a560429d6 100644
--- a/drivers/gpu/drm/bridge/dw_hdmi.h
+++ b/drivers/gpu/drm/bridge/dw-hdmi.h
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index 2d5ca8eec13a..6e6a9c58d404 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -365,6 +365,44 @@ int mipi_dsi_create_packet(struct mipi_dsi_packet *packet,
 }
 EXPORT_SYMBOL(mipi_dsi_create_packet);
 
+/**
+ * mipi_dsi_shutdown_peripheral() - sends a Shutdown Peripheral command
+ * @dsi: DSI peripheral device
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi)
+{
+        struct mipi_dsi_msg msg = {
+                .channel = dsi->channel,
+                .type = MIPI_DSI_SHUTDOWN_PERIPHERAL,
+                .tx_buf = (u8 [2]) { 0, 0 },
+                .tx_len = 2,
+        };
+
+        return mipi_dsi_device_transfer(dsi, &msg);
+}
+EXPORT_SYMBOL(mipi_dsi_shutdown_peripheral);
+
+/**
+ * mipi_dsi_turn_on_peripheral() - sends a Turn On Peripheral command
+ * @dsi: DSI peripheral device
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi)
+{
+        struct mipi_dsi_msg msg = {
+                .channel = dsi->channel,
+                .type = MIPI_DSI_TURN_ON_PERIPHERAL,
+                .tx_buf = (u8 [2]) { 0, 0 },
+                .tx_len = 2,
+        };
+
+        return mipi_dsi_device_transfer(dsi, &msg);
+}
+EXPORT_SYMBOL(mipi_dsi_turn_on_peripheral);
+
 /*
  * mipi_dsi_set_maximum_return_packet_size() - specify the maximum size of the
  *    the payload in a long packet transmitted from the peripheral back to the
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index 7d4704b1292b..1500ab99f548 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -31,6 +31,16 @@ config DRM_PANEL_LG_LG4573
           Say Y here if you want to enable support for LG4573 RGB panel.
           To compile this driver as a module, choose M here.
 
+config DRM_PANEL_PANASONIC_VVX10F034N00
+        tristate "Panasonic VVX10F034N00 1920x1200 video mode panel"
+        depends on OF
+        depends on DRM_MIPI_DSI
+        depends on BACKLIGHT_CLASS_DEVICE
+        help
+          Say Y here if you want to enable support for Panasonic VVX10F034N00
+          WUXGA (1920x1200) Novatek NT1397-based DSI panel as found in some
+          Xperia Z2 tablets
+
 config DRM_PANEL_SAMSUNG_S6E8AA0
         tristate "Samsung S6E8AA0 DSI video mode panel"
         depends on OF
@@ -51,4 +61,13 @@ config DRM_PANEL_SHARP_LQ101R1SX01
           To compile this driver as a module, choose M here: the module
           will be called panel-sharp-lq101r1sx01.
 
+config DRM_PANEL_SHARP_LS043T1LE01
+        tristate "Sharp LS043T1LE01 qHD video mode panel"
+        depends on OF
+        depends on DRM_MIPI_DSI
+        depends on BACKLIGHT_CLASS_DEVICE
+        help
+          Say Y here if you want to enable support for Sharp LS043T1LE01 qHD
+          (540x960) DSI panel as found on the Qualcomm APQ8074 Dragonboard
+
 endmenu
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index d0f016dd7ddb..f277eed933d6 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -1,5 +1,7 @@
 obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o
 obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o
+obj-$(CONFIG_DRM_PANEL_PANASONIC_VVX10F034N00) += panel-panasonic-vvx10f034n00.o
 obj-$(CONFIG_DRM_PANEL_SAMSUNG_LD9040) += panel-samsung-ld9040.o
 obj-$(CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0) += panel-samsung-s6e8aa0.o
 obj-$(CONFIG_DRM_PANEL_SHARP_LQ101R1SX01) += panel-sharp-lq101r1sx01.o
+obj-$(CONFIG_DRM_PANEL_SHARP_LS043T1LE01) += panel-sharp-ls043t1le01.o
diff --git a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
new file mode 100644
index 000000000000..7f915f706fa6
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
@@ -0,0 +1,334 @@
+/*
+ * Copyright (C) 2015 Red Hat
+ * Copyright (C) 2015 Sony Mobile Communications Inc.
+ * Author: Werner Johansson <werner.johansson@sonymobile.com>
+ *
+ * Based on AUO panel driver by Rob Clark <robdclark@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/backlight.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regulator/consumer.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_panel.h>
+
+#include <video/mipi_display.h>
+
+/*
+ * When power is turned off to this panel a minimum off time of 500ms has to be
+ * observed before powering back on as there's no external reset pin. Keep
+ * track of earliest wakeup time and delay subsequent prepare call accordingly
+ */
+#define MIN_POFF_MS (500)
+
+struct wuxga_nt_panel {
+        struct drm_panel base;
+        struct mipi_dsi_device *dsi;
+
+        struct backlight_device *backlight;
+        struct regulator *supply;
+
+        bool prepared;
+        bool enabled;
+
+        ktime_t earliest_wake;
+
+        const struct drm_display_mode *mode;
+};
+
+static inline struct wuxga_nt_panel *to_wuxga_nt_panel(struct drm_panel *panel)
+{
+        return container_of(panel, struct wuxga_nt_panel, base);
+}
+
+static int wuxga_nt_panel_on(struct wuxga_nt_panel *wuxga_nt)
+{
+        struct mipi_dsi_device *dsi = wuxga_nt->dsi;
+        int ret;
+
+        ret = mipi_dsi_turn_on_peripheral(dsi);
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+static int wuxga_nt_panel_disable(struct drm_panel *panel)
+{
+        struct wuxga_nt_panel *wuxga_nt = to_wuxga_nt_panel(panel);
+
+        if (!wuxga_nt->enabled)
+                return 0;
+
+        mipi_dsi_shutdown_peripheral(wuxga_nt->dsi);
+
+        if (wuxga_nt->backlight) {
+                wuxga_nt->backlight->props.power = FB_BLANK_POWERDOWN;
+                wuxga_nt->backlight->props.state |= BL_CORE_FBBLANK;
+                backlight_update_status(wuxga_nt->backlight);
+        }
+
+        wuxga_nt->enabled = false;
+
+        return 0;
+}
+
+static int wuxga_nt_panel_unprepare(struct drm_panel *panel)
+{
+        struct wuxga_nt_panel *wuxga_nt = to_wuxga_nt_panel(panel);
+
+        if (!wuxga_nt->prepared)
+                return 0;
+
+        regulator_disable(wuxga_nt->supply);
+        wuxga_nt->earliest_wake = ktime_add_ms(ktime_get_real(), MIN_POFF_MS);
+        wuxga_nt->prepared = false;
+
+        return 0;
+}
+
+static int wuxga_nt_panel_prepare(struct drm_panel *panel)
+{
+        struct wuxga_nt_panel *wuxga_nt = to_wuxga_nt_panel(panel);
+        int ret;
+        s64 enablewait;
+
+        if (wuxga_nt->prepared)
+                return 0;
+
+        /*
+         * If the user re-enabled the panel before the required off-time then
+         * we need to wait the remaining period before re-enabling regulator
+         */
+        enablewait = ktime_ms_delta(wuxga_nt->earliest_wake, ktime_get_real());
+
+        /* Sanity check, this should never happen */
+        if (enablewait > MIN_POFF_MS)
+                enablewait = MIN_POFF_MS;
+
+        if (enablewait > 0)
+                msleep(enablewait);
+
+        ret = regulator_enable(wuxga_nt->supply);
+        if (ret < 0)
+                return ret;
+
+        /*
+         * A minimum delay of 250ms is required after power-up until commands
+         * can be sent
+         */
+        msleep(250);
+
+        ret = wuxga_nt_panel_on(wuxga_nt);
+        if (ret < 0) {
+                dev_err(panel->dev, "failed to set panel on: %d\n", ret);
+                goto poweroff;
+        }
+
+        wuxga_nt->prepared = true;
+
+        return 0;
+
+poweroff:
+        regulator_disable(wuxga_nt->supply);
+
+        return ret;
+}
+
+static int wuxga_nt_panel_enable(struct drm_panel *panel)
+{
+        struct wuxga_nt_panel *wuxga_nt = to_wuxga_nt_panel(panel);
+
+        if (wuxga_nt->enabled)
+                return 0;
+
+        if (wuxga_nt->backlight) {
+                wuxga_nt->backlight->props.power = FB_BLANK_UNBLANK;
+                wuxga_nt->backlight->props.state &= ~BL_CORE_FBBLANK;
+                backlight_update_status(wuxga_nt->backlight);
+        }
+
+        wuxga_nt->enabled = true;
+
+        return 0;
+}
+
+static const struct drm_display_mode default_mode = {
+        .clock = 164402,
+        .hdisplay = 1920,
+        .hsync_start = 1920 + 152,
+        .hsync_end = 1920 + 152 + 52,
+        .htotal = 1920 + 152 + 52 + 20,
+        .vdisplay = 1200,
+        .vsync_start = 1200 + 24,
+        .vsync_end = 1200 + 24 + 6,
+        .vtotal = 1200 + 24 + 6 + 48,
+        .vrefresh = 60,
+};
+
+static int wuxga_nt_panel_get_modes(struct drm_panel *panel)
+{
+        struct drm_display_mode *mode;
+
+        mode = drm_mode_duplicate(panel->drm, &default_mode);
+        if (!mode) {
+                dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
+                                default_mode.hdisplay, default_mode.vdisplay,
+                                default_mode.vrefresh);
+                return -ENOMEM;
+        }
+
+        drm_mode_set_name(mode);
+
+        drm_mode_probed_add(panel->connector, mode);
+
+        panel->connector->display_info.width_mm = 217;
+        panel->connector->display_info.height_mm = 136;
+
+        return 1;
+}
+
+static const struct drm_panel_funcs wuxga_nt_panel_funcs = {
+        .disable = wuxga_nt_panel_disable,
+        .unprepare = wuxga_nt_panel_unprepare,
+        .prepare = wuxga_nt_panel_prepare,
+        .enable = wuxga_nt_panel_enable,
+        .get_modes = wuxga_nt_panel_get_modes,
+};
+
+static const struct of_device_id wuxga_nt_of_match[] = {
+        { .compatible = "panasonic,vvx10f034n00", },
+        { }
+};
+MODULE_DEVICE_TABLE(of, wuxga_nt_of_match);
+
+static int wuxga_nt_panel_add(struct wuxga_nt_panel *wuxga_nt)
+{
+        struct device *dev = &wuxga_nt->dsi->dev;
+        struct device_node *np;
+        int ret;
+
+        wuxga_nt->mode = &default_mode;
+
+        wuxga_nt->supply = devm_regulator_get(dev, "power");
+        if (IS_ERR(wuxga_nt->supply))
+                return PTR_ERR(wuxga_nt->supply);
+
+        np = of_parse_phandle(dev->of_node, "backlight", 0);
+        if (np) {
+                wuxga_nt->backlight = of_find_backlight_by_node(np);
+                of_node_put(np);
+
+                if (!wuxga_nt->backlight)
+                        return -EPROBE_DEFER;
+        }
+
+        drm_panel_init(&wuxga_nt->base);
+        wuxga_nt->base.funcs = &wuxga_nt_panel_funcs;
+        wuxga_nt->base.dev = &wuxga_nt->dsi->dev;
+
+        ret = drm_panel_add(&wuxga_nt->base);
+        if (ret < 0)
+                goto put_backlight;
+
+        return 0;
+
+put_backlight:
+        if (wuxga_nt->backlight)
+                put_device(&wuxga_nt->backlight->dev);
+
+        return ret;
+}
+
+static void wuxga_nt_panel_del(struct wuxga_nt_panel *wuxga_nt)
+{
+        if (wuxga_nt->base.dev)
+                drm_panel_remove(&wuxga_nt->base);
+
+        if (wuxga_nt->backlight)
+                put_device(&wuxga_nt->backlight->dev);
+}
+
+static int wuxga_nt_panel_probe(struct mipi_dsi_device *dsi)
+{
+        struct wuxga_nt_panel *wuxga_nt;
+        int ret;
+
+        dsi->lanes = 4;
+        dsi->format = MIPI_DSI_FMT_RGB888;
+        dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
+                        MIPI_DSI_MODE_VIDEO_HSE |
+                        MIPI_DSI_CLOCK_NON_CONTINUOUS |
+                        MIPI_DSI_MODE_LPM;
+
+        wuxga_nt = devm_kzalloc(&dsi->dev, sizeof(*wuxga_nt), GFP_KERNEL);
+        if (!wuxga_nt)
+                return -ENOMEM;
+
+        mipi_dsi_set_drvdata(dsi, wuxga_nt);
+
+        wuxga_nt->dsi = dsi;
+
+        ret = wuxga_nt_panel_add(wuxga_nt);
+        if (ret < 0)
+                return ret;
+
+        return mipi_dsi_attach(dsi);
+}
+
+static int wuxga_nt_panel_remove(struct mipi_dsi_device *dsi)
+{
+        struct wuxga_nt_panel *wuxga_nt = mipi_dsi_get_drvdata(dsi);
+        int ret;
+
+        ret = wuxga_nt_panel_disable(&wuxga_nt->base);
+        if (ret < 0)
+                dev_err(&dsi->dev, "failed to disable panel: %d\n", ret);
+
+        ret = mipi_dsi_detach(dsi);
+        if (ret < 0)
+                dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
+
+        drm_panel_detach(&wuxga_nt->base);
+        wuxga_nt_panel_del(wuxga_nt);
+
+        return 0;
+}
+
+static void wuxga_nt_panel_shutdown(struct mipi_dsi_device *dsi)
+{
+        struct wuxga_nt_panel *wuxga_nt = mipi_dsi_get_drvdata(dsi);
+
+        wuxga_nt_panel_disable(&wuxga_nt->base);
+}
+
+static struct mipi_dsi_driver wuxga_nt_panel_driver = {
+        .driver = {
+                .name = "panel-panasonic-vvx10f034n00",
+                .of_match_table = wuxga_nt_of_match,
+        },
+        .probe = wuxga_nt_panel_probe,
+        .remove = wuxga_nt_panel_remove,
+        .shutdown = wuxga_nt_panel_shutdown,
+};
+module_mipi_dsi_driver(wuxga_nt_panel_driver);
+
+MODULE_AUTHOR("Werner Johansson <werner.johansson@sonymobile.com>");
+MODULE_DESCRIPTION("Panasonic VVX10F034N00 Novatek NT1397-based WUXGA (1920x1200) video mode panel driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
new file mode 100644
index 000000000000..3aeb0bda4947
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
@@ -0,0 +1,387 @@
+/*
+ * Copyright (C) 2015 Red Hat
+ * Copyright (C) 2015 Sony Mobile Communications Inc.
+ * Author: Werner Johansson <werner.johansson@sonymobile.com>
+ *
+ * Based on AUO panel driver by Rob Clark <robdclark@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/backlight.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regulator/consumer.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_panel.h>
+
+#include <video/mipi_display.h>
+
+struct sharp_nt_panel {
+        struct drm_panel base;
+        struct mipi_dsi_device *dsi;
+
+        struct backlight_device *backlight;
+        struct regulator *supply;
+        struct gpio_desc *reset_gpio;
+
+        bool prepared;
+        bool enabled;
+
+        const struct drm_display_mode *mode;
+};
+
+static inline struct sharp_nt_panel *to_sharp_nt_panel(struct drm_panel *panel)
+{
+        return container_of(panel, struct sharp_nt_panel, base);
+}
+
+static int sharp_nt_panel_init(struct sharp_nt_panel *sharp_nt)
+{
+        struct mipi_dsi_device *dsi = sharp_nt->dsi;
+        int ret;
+
+        dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+        ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
+        if (ret < 0)
+                return ret;
+
+        msleep(120);
+
+        /* Novatek two-lane operation */
+        ret = mipi_dsi_dcs_write(dsi, 0xae, (u8[]){ 0x03 }, 1);
+        if (ret < 0)
+                return ret;
+
+        /* Set both MCU and RGB I/F to 24bpp */
+        ret = mipi_dsi_dcs_set_pixel_format(dsi, MIPI_DCS_PIXEL_FMT_24BIT |
+                                        (MIPI_DCS_PIXEL_FMT_24BIT << 4));
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+static int sharp_nt_panel_on(struct sharp_nt_panel *sharp_nt)
+{
+        struct mipi_dsi_device *dsi = sharp_nt->dsi;
+        int ret;
+
+        dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+        ret = mipi_dsi_dcs_set_display_on(dsi);
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+static int sharp_nt_panel_off(struct sharp_nt_panel *sharp_nt)
+{
+        struct mipi_dsi_device *dsi = sharp_nt->dsi;
+        int ret;
+
+        dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
+
+        ret = mipi_dsi_dcs_set_display_off(dsi);
+        if (ret < 0)
+                return ret;
+
+        ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
+        if (ret < 0)
+                return ret;
+
+        return 0;
+}
+
+
+static int sharp_nt_panel_disable(struct drm_panel *panel)
+{
+        struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
+
+        if (!sharp_nt->enabled)
+                return 0;
+
+        if (sharp_nt->backlight) {
+                sharp_nt->backlight->props.power = FB_BLANK_POWERDOWN;
+                backlight_update_status(sharp_nt->backlight);
+        }
+
+        sharp_nt->enabled = false;
+
+        return 0;
+}
+
+static int sharp_nt_panel_unprepare(struct drm_panel *panel)
+{
+        struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
+        int ret;
+
+        if (!sharp_nt->prepared)
+                return 0;
+
+        ret = sharp_nt_panel_off(sharp_nt);
+        if (ret < 0) {
+                dev_err(panel->dev, "failed to set panel off: %d\n", ret);
+                return ret;
+        }
+
+        regulator_disable(sharp_nt->supply);
+        if (sharp_nt->reset_gpio)
+                gpiod_set_value(sharp_nt->reset_gpio, 0);
+
+        sharp_nt->prepared = false;
+
+        return 0;
+}
+
+static int sharp_nt_panel_prepare(struct drm_panel *panel)
+{
+        struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
+        int ret;
+
+        if (sharp_nt->prepared)
+                return 0;
+
+        ret = regulator_enable(sharp_nt->supply);
+        if (ret < 0)
+                return ret;
+
+        msleep(20);
+
+        if (sharp_nt->reset_gpio) {
+                gpiod_set_value(sharp_nt->reset_gpio, 1);
+                msleep(1);
+                gpiod_set_value(sharp_nt->reset_gpio, 0);
+                msleep(1);
+                gpiod_set_value(sharp_nt->reset_gpio, 1);
+                msleep(10);
+        }
+
+        ret = sharp_nt_panel_init(sharp_nt);
+        if (ret < 0) {
+                dev_err(panel->dev, "failed to init panel: %d\n", ret);
+                goto poweroff;
+        }
+
+        ret = sharp_nt_panel_on(sharp_nt);
+        if (ret < 0) {
+                dev_err(panel->dev, "failed to set panel on: %d\n", ret);
+                goto poweroff;
+        }
+
+        sharp_nt->prepared = true;
+
+        return 0;
+
+poweroff:
+        regulator_disable(sharp_nt->supply);
+        if (sharp_nt->reset_gpio)
+                gpiod_set_value(sharp_nt->reset_gpio, 0);
+        return ret;
+}
+
+static int sharp_nt_panel_enable(struct drm_panel *panel)
+{
+        struct sharp_nt_panel *sharp_nt = to_sharp_nt_panel(panel);
+
+        if (sharp_nt->enabled)
+                return 0;
+
+        if (sharp_nt->backlight) {
+                sharp_nt->backlight->props.power = FB_BLANK_UNBLANK;
+                backlight_update_status(sharp_nt->backlight);
+        }
+
+        sharp_nt->enabled = true;
+
+        return 0;
+}
+
+static const struct drm_display_mode default_mode = {
+        .clock = 41118,
+        .hdisplay = 540,
+        .hsync_start = 540 + 48,
+        .hsync_end = 540 + 48 + 80,
+        .htotal = 540 + 48 + 80 + 32,
+        .vdisplay = 960,
+        .vsync_start = 960 + 3,
+        .vsync_end = 960 + 3 + 15,
+        .vtotal = 960 + 3 + 15 + 1,
+        .vrefresh = 60,
+};
+
+static int sharp_nt_panel_get_modes(struct drm_panel *panel)
+{
+        struct drm_display_mode *mode;
+
+        mode = drm_mode_duplicate(panel->drm, &default_mode);
+        if (!mode) {
+                dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
+                                default_mode.hdisplay, default_mode.vdisplay,
+                                default_mode.vrefresh);
+                return -ENOMEM;
+        }
+
+        drm_mode_set_name(mode);
+
+        drm_mode_probed_add(panel->connector, mode);
+
+        panel->connector->display_info.width_mm = 54;
+        panel->connector->display_info.height_mm = 95;
+
+        return 1;
+}
+
+static const struct drm_panel_funcs sharp_nt_panel_funcs = {
+        .disable = sharp_nt_panel_disable,
+        .unprepare = sharp_nt_panel_unprepare,
+        .prepare = sharp_nt_panel_prepare,
+        .enable = sharp_nt_panel_enable,
+        .get_modes = sharp_nt_panel_get_modes,
+};
+
+static int sharp_nt_panel_add(struct sharp_nt_panel *sharp_nt)
+{
+        struct device *dev = &sharp_nt->dsi->dev;
+        struct device_node *np;
+        int ret;
+
+        sharp_nt->mode = &default_mode;
+
+        sharp_nt->supply = devm_regulator_get(dev, "avdd");
+        if (IS_ERR(sharp_nt->supply))
+                return PTR_ERR(sharp_nt->supply);
+
+        sharp_nt->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
+        if (IS_ERR(sharp_nt->reset_gpio)) {
+                dev_err(dev, "cannot get reset-gpios %ld\n",
+                        PTR_ERR(sharp_nt->reset_gpio));
+                sharp_nt->reset_gpio = NULL;
+        } else {
+                gpiod_set_value(sharp_nt->reset_gpio, 0);
+        }
+
+        np = of_parse_phandle(dev->of_node, "backlight", 0);
+        if (np) {
+                sharp_nt->backlight = of_find_backlight_by_node(np);
+                of_node_put(np);
+
+                if (!sharp_nt->backlight)
+                        return -EPROBE_DEFER;
+        }
+
+        drm_panel_init(&sharp_nt->base);
+        sharp_nt->base.funcs = &sharp_nt_panel_funcs;
+        sharp_nt->base.dev = &sharp_nt->dsi->dev;
+
+        ret = drm_panel_add(&sharp_nt->base);
+        if (ret < 0)
+                goto put_backlight;
+
+        return 0;
+
+put_backlight:
+        if (sharp_nt->backlight)
+                put_device(&sharp_nt->backlight->dev);
+
+        return ret;
+}
+
+static void sharp_nt_panel_del(struct sharp_nt_panel *sharp_nt)
+{
+        if (sharp_nt->base.dev)
+                drm_panel_remove(&sharp_nt->base);
+
+        if (sharp_nt->backlight)
+                put_device(&sharp_nt->backlight->dev);
+}
+
+static int sharp_nt_panel_probe(struct mipi_dsi_device *dsi)
+{
+        struct sharp_nt_panel *sharp_nt;
+        int ret;
+
+        dsi->lanes = 2;
+        dsi->format = MIPI_DSI_FMT_RGB888;
+        dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
+                        MIPI_DSI_MODE_VIDEO_HSE |
+                        MIPI_DSI_CLOCK_NON_CONTINUOUS |
+                        MIPI_DSI_MODE_EOT_PACKET;
+
+        sharp_nt = devm_kzalloc(&dsi->dev, sizeof(*sharp_nt), GFP_KERNEL);
+        if (!sharp_nt)
+                return -ENOMEM;
+
+        mipi_dsi_set_drvdata(dsi, sharp_nt);
+
+        sharp_nt->dsi = dsi;
+
+        ret = sharp_nt_panel_add(sharp_nt);
+        if (ret < 0)
+                return ret;
+
+        return mipi_dsi_attach(dsi);
+}
+
+static int sharp_nt_panel_remove(struct mipi_dsi_device *dsi)
+{
+        struct sharp_nt_panel *sharp_nt = mipi_dsi_get_drvdata(dsi);
+        int ret;
+
+        ret = sharp_nt_panel_disable(&sharp_nt->base);
+        if (ret < 0)
+                dev_err(&dsi->dev, "failed to disable panel: %d\n", ret);
+
+        ret = mipi_dsi_detach(dsi);
+        if (ret < 0)
+                dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
+
+        drm_panel_detach(&sharp_nt->base);
+        sharp_nt_panel_del(sharp_nt);
+
+        return 0;
+}
+
+static void sharp_nt_panel_shutdown(struct mipi_dsi_device *dsi)
+{
+        struct sharp_nt_panel *sharp_nt = mipi_dsi_get_drvdata(dsi);
+
+        sharp_nt_panel_disable(&sharp_nt->base);
+}
+
+static const struct of_device_id sharp_nt_of_match[] = {
+        { .compatible = "sharp,ls043t1le01-qhd", },
+        { }
+};
+MODULE_DEVICE_TABLE(of, sharp_nt_of_match);
+
+static struct mipi_dsi_driver sharp_nt_panel_driver = {
+        .driver = {
+                .name = "panel-sharp-ls043t1le01-qhd",
+                .of_match_table = sharp_nt_of_match,
+        },
+        .probe = sharp_nt_panel_probe,
+        .remove = sharp_nt_panel_remove,
+        .shutdown = sharp_nt_panel_shutdown,
+};
+module_mipi_dsi_driver(sharp_nt_panel_driver);
+
+MODULE_AUTHOR("Werner Johansson <werner.johansson@sonymobile.com>");
+MODULE_DESCRIPTION("Sharp LS043T1LE01 NT35565-based qHD (540x960) video mode panel driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index f97b73ec4713..f88a631c43ab 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -44,6 +44,10 @@ struct panel_desc {
 
         unsigned int bpc;
 
+        /**
+         * @width: width (in millimeters) of the panel's active display area
+         * @height: height (in millimeters) of the panel's active display area
+         */
         struct {
                 unsigned int width;
                 unsigned int height;
@@ -832,6 +836,34 @@ static const struct panel_desc innolux_g121i1_l01 = {
         },
 };
 
+static const struct drm_display_mode innolux_g121x1_l03_mode = {
+        .clock = 65000,
+        .hdisplay = 1024,
+        .hsync_start = 1024 + 0,
+        .hsync_end = 1024 + 1,
+        .htotal = 1024 + 0 + 1 + 320,
+        .vdisplay = 768,
+        .vsync_start = 768 + 38,
+        .vsync_end = 768 + 38 + 1,
+        .vtotal = 768 + 38 + 1 + 0,
+        .vrefresh = 60,
+};
+
+static const struct panel_desc innolux_g121x1_l03 = {
+        .modes = &innolux_g121x1_l03_mode,
+        .num_modes = 1,
+        .bpc = 6,
+        .size = {
+                .width = 246,
+                .height = 185,
+        },
+        .delay = {
+                .enable = 200,
+                .unprepare = 200,
+                .disable = 400,
+        },
+};
+
 static const struct drm_display_mode innolux_n116bge_mode = {
         .clock = 76420,
         .hdisplay = 1366,
@@ -902,6 +934,30 @@ static const struct panel_desc innolux_zj070na_01p = {
         },
 };
 
+static const struct display_timing kyo_tcg121xglp_timing = {
+        .pixelclock = { 52000000, 65000000, 71000000 },
+        .hactive = { 1024, 1024, 1024 },
+        .hfront_porch = { 2, 2, 2 },
+        .hback_porch = { 2, 2, 2 },
+        .hsync_len = { 86, 124, 244 },
+        .vactive = { 768, 768, 768 },
+        .vfront_porch = { 2, 2, 2 },
+        .vback_porch = { 2, 2, 2 },
+        .vsync_len = { 6, 34, 73 },
+        .flags = DISPLAY_FLAGS_DE_HIGH,
+};
+
+static const struct panel_desc kyo_tcg121xglp = {
+        .timings = &kyo_tcg121xglp_timing,
+        .num_timings = 1,
+        .bpc = 8,
+        .size = {
+                .width = 246,
+                .height = 184,
+        },
+        .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
+};
+
 static const struct drm_display_mode lg_lb070wv8_mode = {
         .clock = 33246,
         .hdisplay = 800,
@@ -1027,6 +1083,30 @@ static const struct panel_desc ortustech_com43h4m85ulc = {
         .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
 };
 
+static const struct drm_display_mode qd43003c0_40_mode = {
+        .clock = 9000,
+        .hdisplay = 480,
+        .hsync_start = 480 + 8,
+        .hsync_end = 480 + 8 + 4,
+        .htotal = 480 + 8 + 4 + 39,
+        .vdisplay = 272,
+        .vsync_start = 272 + 4,
+        .vsync_end = 272 + 4 + 10,
+        .vtotal = 272 + 4 + 10 + 2,
+        .vrefresh = 60,
+};
+
+static const struct panel_desc qd43003c0_40 = {
+        .modes = &qd43003c0_40_mode,
+        .num_modes = 1,
+        .bpc = 8,
+        .size = {
+                .width = 95,
+                .height = 53,
+        },
+        .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+};
+
 static const struct drm_display_mode samsung_ltn101nt05_mode = {
         .clock = 54030,
         .hdisplay = 1024,
@@ -1158,6 +1238,9 @@ static const struct of_device_id platform_of_match[] = {
                 .compatible ="innolux,g121i1-l01",
                 .data = &innolux_g121i1_l01
         }, {
+                .compatible = "innolux,g121x1-l03",
+                .data = &innolux_g121x1_l03,
+        }, {
                 .compatible = "innolux,n116bge",
                 .data = &innolux_n116bge,
         }, {
@@ -1167,6 +1250,9 @@ static const struct of_device_id platform_of_match[] = {
                 .compatible = "innolux,zj070na-01p",
                 .data = &innolux_zj070na_01p,
         }, {
+                .compatible = "kyo,tcg121xglp",
+                .data = &kyo_tcg121xglp,
+        }, {
                 .compatible = "lg,lb070wv8",
                 .data = &lg_lb070wv8,
         }, {
@@ -1182,6 +1268,9 @@ static const struct of_device_id platform_of_match[] = {
                 .compatible = "ortustech,com43h4m85ulc",
                 .data = &ortustech_com43h4m85ulc,
         }, {
+                .compatible = "qiaodian,qd43003c0-40",
+                .data = &qd43003c0_40,
+        }, {
                 .compatible = "samsung,ltn101nt05",
                 .data = &samsung_ltn101nt05,
         }, {
@@ -1263,6 +1352,36 @@ static const struct panel_desc_dsi auo_b080uan01 = {
         .lanes = 4,
 };
 
+static const struct drm_display_mode boe_tv080wum_nl0_mode = {
+        .clock = 160000,
+        .hdisplay = 1200,
+        .hsync_start = 1200 + 120,
+        .hsync_end = 1200 + 120 + 20,
+        .htotal = 1200 + 120 + 20 + 21,
+        .vdisplay = 1920,
+        .vsync_start = 1920 + 21,
+        .vsync_end = 1920 + 21 + 3,
+        .vtotal = 1920 + 21 + 3 + 18,
+        .vrefresh = 60,
+        .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
+};
+
+static const struct panel_desc_dsi boe_tv080wum_nl0 = {
+        .desc = {
+                .modes = &boe_tv080wum_nl0_mode,
+                .num_modes = 1,
+                .size = {
+                        .width = 107,
+                        .height = 172,
+                },
+        },
+        .flags = MIPI_DSI_MODE_VIDEO |
+                 MIPI_DSI_MODE_VIDEO_BURST |
+                 MIPI_DSI_MODE_VIDEO_SYNC_PULSE,
+        .format = MIPI_DSI_FMT_RGB888,
+        .lanes = 4,
+};
+
 static const struct drm_display_mode lg_ld070wx3_sl01_mode = {
         .clock = 71000,
         .hdisplay = 800,
@@ -1348,11 +1467,15 @@ static const struct panel_desc_dsi panasonic_vvx10f004b00 = {
         .lanes = 4,
 };
 
+
 static const struct of_device_id dsi_of_match[] = {
         {
                 .compatible = "auo,b080uan01",
                 .data = &auo_b080uan01
         }, {
+                .compatible = "boe,tv080wum-nl0",
+                .data = &boe_tv080wum_nl0
+        }, {
                 .compatible = "lg,ld070wx3-sl01",
                 .data = &lg_ld070wx3_sl01
         }, {
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index f1d8d0dbb4f1..1b3b1f8c8cdf 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -163,9 +163,36 @@ static inline struct mipi_dsi_device *to_mipi_dsi_device(struct device *dev)
         return container_of(dev, struct mipi_dsi_device, dev);
 }
 
+/**
+ * mipi_dsi_pixel_format_to_bpp - obtain the number of bits per pixel for any
+ *                                given pixel format defined by the MIPI DSI
+ *                                specification
+ * @fmt: MIPI DSI pixel format
+ *
+ * Returns: The number of bits per pixel of the given pixel format.
+ */
+static inline int mipi_dsi_pixel_format_to_bpp(enum mipi_dsi_pixel_format fmt)
+{
+        switch (fmt) {
+        case MIPI_DSI_FMT_RGB888:
+        case MIPI_DSI_FMT_RGB666:
+                return 24;
+
+        case MIPI_DSI_FMT_RGB666_PACKED:
+                return 18;
+
+        case MIPI_DSI_FMT_RGB565:
+                return 16;
+        }
+
+        return -EINVAL;
+}
+
 struct mipi_dsi_device *of_find_mipi_dsi_device_by_node(struct device_node *np);
 int mipi_dsi_attach(struct mipi_dsi_device *dsi);
 int mipi_dsi_detach(struct mipi_dsi_device *dsi);
+int mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi);
+int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi);
 int mipi_dsi_set_maximum_return_packet_size(struct mipi_dsi_device *dsi,
                                             u16 value);