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path: root/drivers/gpu/drm/rockchip
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-rw-r--r--drivers/gpu/drm/rockchip/Kconfig9
-rw-r--r--drivers/gpu/drm/rockchip/Makefile1
-rw-r--r--drivers/gpu/drm/rockchip/analogix_dp-rockchip.c390
-rw-r--r--drivers/gpu/drm/rockchip/dw-mipi-dsi.c38
-rw-r--r--drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c17
-rw-r--r--drivers/gpu/drm/rockchip/inno_hdmi.c20
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_drv.c73
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_drv.h10
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_fb.c9
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_gem.c2
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_vop.c97
11 files changed, 575 insertions, 91 deletions
diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig
index 76b3362c5..d30bdc38a 100644
--- a/drivers/gpu/drm/rockchip/Kconfig
+++ b/drivers/gpu/drm/rockchip/Kconfig
@@ -16,6 +16,15 @@ config DRM_ROCKCHIP
2D or 3D acceleration; acceleration is performed by other
IP found on the SoC.
+config ROCKCHIP_ANALOGIX_DP
+ tristate "Rockchip specific extensions for Analogix DP driver"
+ depends on DRM_ROCKCHIP
+ select DRM_ANALOGIX_DP
+ help
+ This selects support for Rockchip SoC specific extensions
+ for the Analogix Core DP driver. If you want to enable DP
+ on RK3288 based SoC, you should selet this option.
+
config ROCKCHIP_DW_HDMI
tristate "Rockchip specific extensions for Synopsys DW HDMI"
depends on DRM_ROCKCHIP
diff --git a/drivers/gpu/drm/rockchip/Makefile b/drivers/gpu/drm/rockchip/Makefile
index df8fbef17..05d07138a 100644
--- a/drivers/gpu/drm/rockchip/Makefile
+++ b/drivers/gpu/drm/rockchip/Makefile
@@ -6,6 +6,7 @@ rockchipdrm-y := rockchip_drm_drv.o rockchip_drm_fb.o \
rockchip_drm_gem.o rockchip_drm_vop.o
rockchipdrm-$(CONFIG_DRM_FBDEV_EMULATION) += rockchip_drm_fbdev.o
+obj-$(CONFIG_ROCKCHIP_ANALOGIX_DP) += analogix_dp-rockchip.o
obj-$(CONFIG_ROCKCHIP_DW_HDMI) += dw_hdmi-rockchip.o
obj-$(CONFIG_ROCKCHIP_DW_MIPI_DSI) += dw-mipi-dsi.o
obj-$(CONFIG_ROCKCHIP_INNO_HDMI) += inno_hdmi.o
diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
new file mode 100644
index 000000000..7f6a55cae
--- /dev/null
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -0,0 +1,390 @@
+/*
+ * Rockchip SoC DP (Display Port) interface driver.
+ *
+ * Copyright (C) Fuzhou Rockchip Electronics Co., Ltd.
+ * Author: Andy Yan <andy.yan@rock-chips.com>
+ * Yakir Yang <ykk@rock-chips.com>
+ * Jeff Chen <jeff.chen@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/component.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of_graph.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+#include <linux/clk.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_dp_helper.h>
+#include <drm/drm_of.h>
+#include <drm/drm_panel.h>
+
+#include <video/of_videomode.h>
+#include <video/videomode.h>
+
+#include <drm/bridge/analogix_dp.h>
+
+#include "rockchip_drm_drv.h"
+#include "rockchip_drm_vop.h"
+
+#define to_dp(nm) container_of(nm, struct rockchip_dp_device, nm)
+
+/* dp grf register offset */
+#define GRF_SOC_CON6 0x025c
+#define GRF_EDP_LCD_SEL_MASK BIT(5)
+#define GRF_EDP_SEL_VOP_LIT BIT(5)
+#define GRF_EDP_SEL_VOP_BIG 0
+
+struct rockchip_dp_device {
+ struct drm_device *drm_dev;
+ struct device *dev;
+ struct drm_encoder encoder;
+ struct drm_display_mode mode;
+
+ struct clk *pclk;
+ struct regmap *grf;
+ struct reset_control *rst;
+
+ struct analogix_dp_plat_data plat_data;
+};
+
+static int rockchip_dp_pre_init(struct rockchip_dp_device *dp)
+{
+ reset_control_assert(dp->rst);
+ usleep_range(10, 20);
+ reset_control_deassert(dp->rst);
+
+ return 0;
+}
+
+static int rockchip_dp_poweron(struct analogix_dp_plat_data *plat_data)
+{
+ struct rockchip_dp_device *dp = to_dp(plat_data);
+ int ret;
+
+ ret = clk_prepare_enable(dp->pclk);
+ if (ret < 0) {
+ dev_err(dp->dev, "failed to enable pclk %d\n", ret);
+ return ret;
+ }
+
+ ret = rockchip_dp_pre_init(dp);
+ if (ret < 0) {
+ dev_err(dp->dev, "failed to dp pre init %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int rockchip_dp_powerdown(struct analogix_dp_plat_data *plat_data)
+{
+ struct rockchip_dp_device *dp = to_dp(plat_data);
+
+ clk_disable_unprepare(dp->pclk);
+
+ return 0;
+}
+
+static bool
+rockchip_dp_drm_encoder_mode_fixup(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ /* do nothing */
+ return true;
+}
+
+static void rockchip_dp_drm_encoder_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted)
+{
+ /* do nothing */
+}
+
+static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder)
+{
+ struct rockchip_dp_device *dp = to_dp(encoder);
+ int ret;
+ u32 val;
+
+ ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node, encoder);
+ if (ret < 0)
+ return;
+
+ if (ret)
+ val = GRF_EDP_SEL_VOP_LIT | (GRF_EDP_LCD_SEL_MASK << 16);
+ else
+ val = GRF_EDP_SEL_VOP_BIG | (GRF_EDP_LCD_SEL_MASK << 16);
+
+ dev_dbg(dp->dev, "vop %s output to dp\n", (ret) ? "LIT" : "BIG");
+
+ ret = regmap_write(dp->grf, GRF_SOC_CON6, val);
+ if (ret != 0) {
+ dev_err(dp->dev, "Could not write to GRF: %d\n", ret);
+ return;
+ }
+}
+
+static void rockchip_dp_drm_encoder_nop(struct drm_encoder *encoder)
+{
+ /* do nothing */
+}
+
+static int
+rockchip_dp_drm_encoder_atomic_check(struct drm_encoder *encoder,
+ struct drm_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
+{
+ struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
+
+ /*
+ * FIXME(Yakir): driver should configure the CRTC output video
+ * mode with the display information which indicated the monitor
+ * support colorimetry.
+ *
+ * But don't know why the CRTC driver seems could only output the
+ * RGBaaa rightly. For example, if connect the "innolux,n116bge"
+ * eDP screen, EDID would indicated that screen only accepted the
+ * 6bpc mode. But if I configure CRTC to RGB666 output, then eDP
+ * screen would show a blue picture (RGB888 show a green picture).
+ * But if I configure CTRC to RGBaaa, and eDP driver still keep
+ * RGB666 input video mode, then screen would works prefect.
+ */
+ s->output_mode = ROCKCHIP_OUT_MODE_AAAA;
+ s->output_type = DRM_MODE_CONNECTOR_eDP;
+
+ return 0;
+}
+
+static struct drm_encoder_helper_funcs rockchip_dp_encoder_helper_funcs = {
+ .mode_fixup = rockchip_dp_drm_encoder_mode_fixup,
+ .mode_set = rockchip_dp_drm_encoder_mode_set,
+ .enable = rockchip_dp_drm_encoder_enable,
+ .disable = rockchip_dp_drm_encoder_nop,
+ .atomic_check = rockchip_dp_drm_encoder_atomic_check,
+};
+
+static void rockchip_dp_drm_encoder_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+}
+
+static struct drm_encoder_funcs rockchip_dp_encoder_funcs = {
+ .destroy = rockchip_dp_drm_encoder_destroy,
+};
+
+static int rockchip_dp_init(struct rockchip_dp_device *dp)
+{
+ struct device *dev = dp->dev;
+ struct device_node *np = dev->of_node;
+ int ret;
+
+ dp->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
+ if (IS_ERR(dp->grf)) {
+ dev_err(dev, "failed to get rockchip,grf property\n");
+ return PTR_ERR(dp->grf);
+ }
+
+ dp->pclk = devm_clk_get(dev, "pclk");
+ if (IS_ERR(dp->pclk)) {
+ dev_err(dev, "failed to get pclk property\n");
+ return PTR_ERR(dp->pclk);
+ }
+
+ dp->rst = devm_reset_control_get(dev, "dp");
+ if (IS_ERR(dp->rst)) {
+ dev_err(dev, "failed to get dp reset control\n");
+ return PTR_ERR(dp->rst);
+ }
+
+ ret = clk_prepare_enable(dp->pclk);
+ if (ret < 0) {
+ dev_err(dp->dev, "failed to enable pclk %d\n", ret);
+ return ret;
+ }
+
+ ret = rockchip_dp_pre_init(dp);
+ if (ret < 0) {
+ dev_err(dp->dev, "failed to pre init %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int rockchip_dp_drm_create_encoder(struct rockchip_dp_device *dp)
+{
+ struct drm_encoder *encoder = &dp->encoder;
+ struct drm_device *drm_dev = dp->drm_dev;
+ struct device *dev = dp->dev;
+ int ret;
+
+ encoder->possible_crtcs = drm_of_find_possible_crtcs(drm_dev,
+ dev->of_node);
+ DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
+
+ ret = drm_encoder_init(drm_dev, encoder, &rockchip_dp_encoder_funcs,
+ DRM_MODE_ENCODER_TMDS, NULL);
+ if (ret) {
+ DRM_ERROR("failed to initialize encoder with drm\n");
+ return ret;
+ }
+
+ drm_encoder_helper_add(encoder, &rockchip_dp_encoder_helper_funcs);
+
+ return 0;
+}
+
+static int rockchip_dp_bind(struct device *dev, struct device *master,
+ void *data)
+{
+ struct rockchip_dp_device *dp = dev_get_drvdata(dev);
+ struct drm_device *drm_dev = data;
+ int ret;
+
+ /*
+ * Just like the probe function said, we don't need the
+ * device drvrate anymore, we should leave the charge to
+ * analogix dp driver, set the device drvdata to NULL.
+ */
+ dev_set_drvdata(dev, NULL);
+
+ ret = rockchip_dp_init(dp);
+ if (ret < 0)
+ return ret;
+
+ dp->drm_dev = drm_dev;
+
+ ret = rockchip_dp_drm_create_encoder(dp);
+ if (ret) {
+ DRM_ERROR("failed to create drm encoder\n");
+ return ret;
+ }
+
+ dp->plat_data.encoder = &dp->encoder;
+
+ dp->plat_data.dev_type = RK3288_DP;
+ dp->plat_data.power_on = rockchip_dp_poweron;
+ dp->plat_data.power_off = rockchip_dp_powerdown;
+
+ return analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data);
+}
+
+static void rockchip_dp_unbind(struct device *dev, struct device *master,
+ void *data)
+{
+ return analogix_dp_unbind(dev, master, data);
+}
+
+static const struct component_ops rockchip_dp_component_ops = {
+ .bind = rockchip_dp_bind,
+ .unbind = rockchip_dp_unbind,
+};
+
+static int rockchip_dp_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *panel_node, *port, *endpoint;
+ struct rockchip_dp_device *dp;
+ struct drm_panel *panel;
+
+ port = of_graph_get_port_by_id(dev->of_node, 1);
+ if (!port) {
+ dev_err(dev, "can't find output port\n");
+ return -EINVAL;
+ }
+
+ endpoint = of_get_child_by_name(port, "endpoint");
+ of_node_put(port);
+ if (!endpoint) {
+ dev_err(dev, "no output endpoint found\n");
+ return -EINVAL;
+ }
+
+ panel_node = of_graph_get_remote_port_parent(endpoint);
+ of_node_put(endpoint);
+ if (!panel_node) {
+ dev_err(dev, "no output node found\n");
+ return -EINVAL;
+ }
+
+ panel = of_drm_find_panel(panel_node);
+ if (!panel) {
+ DRM_ERROR("failed to find panel\n");
+ of_node_put(panel_node);
+ return -EPROBE_DEFER;
+ }
+
+ of_node_put(panel_node);
+
+ dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL);
+ if (!dp)
+ return -ENOMEM;
+
+ dp->dev = dev;
+
+ dp->plat_data.panel = panel;
+
+ /*
+ * We just use the drvdata until driver run into component
+ * add function, and then we would set drvdata to null, so
+ * that analogix dp driver could take charge of the drvdata.
+ */
+ platform_set_drvdata(pdev, dp);
+
+ return component_add(dev, &rockchip_dp_component_ops);
+}
+
+static int rockchip_dp_remove(struct platform_device *pdev)
+{
+ component_del(&pdev->dev, &rockchip_dp_component_ops);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int rockchip_dp_suspend(struct device *dev)
+{
+ return analogix_dp_suspend(dev);
+}
+
+static int rockchip_dp_resume(struct device *dev)
+{
+ return analogix_dp_resume(dev);
+}
+#endif
+
+static const struct dev_pm_ops rockchip_dp_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(rockchip_dp_suspend, rockchip_dp_resume)
+};
+
+static const struct of_device_id rockchip_dp_dt_ids[] = {
+ {.compatible = "rockchip,rk3288-dp",},
+ {}
+};
+MODULE_DEVICE_TABLE(of, rockchip_dp_dt_ids);
+
+static struct platform_driver rockchip_dp_driver = {
+ .probe = rockchip_dp_probe,
+ .remove = rockchip_dp_remove,
+ .driver = {
+ .name = "rockchip-dp",
+ .owner = THIS_MODULE,
+ .pm = &rockchip_dp_pm_ops,
+ .of_match_table = of_match_ptr(rockchip_dp_dt_ids),
+ },
+};
+
+module_platform_driver(rockchip_dp_driver);
+
+MODULE_AUTHOR("Yakir Yang <ykk@rock-chips.com>");
+MODULE_AUTHOR("Jeff chen <jeff.chen@rock-chips.com>");
+MODULE_DESCRIPTION("Rockchip Specific Analogix-DP Driver Extension");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
index 797515806..dedc65b40 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
@@ -879,7 +879,6 @@ static void dw_mipi_dsi_encoder_commit(struct drm_encoder *encoder)
{
struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder);
int mux = drm_of_encoder_active_endpoint_id(dsi->dev->of_node, encoder);
- u32 interface_pix_fmt;
u32 val;
if (clk_prepare_enable(dsi->pclk)) {
@@ -895,31 +894,41 @@ static void dw_mipi_dsi_encoder_commit(struct drm_encoder *encoder)
clk_disable_unprepare(dsi->pclk);
+ if (mux)
+ val = DSI0_SEL_VOP_LIT | (DSI0_SEL_VOP_LIT << 16);
+ else
+ val = DSI0_SEL_VOP_LIT << 16;
+
+ regmap_write(dsi->grf_regmap, GRF_SOC_CON6, val);
+ dev_dbg(dsi->dev, "vop %s output to dsi0\n", (mux) ? "LIT" : "BIG");
+}
+
+static int
+dw_mipi_dsi_encoder_atomic_check(struct drm_encoder *encoder,
+ struct drm_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
+{
+ struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
+ struct dw_mipi_dsi *dsi = encoder_to_dsi(encoder);
+
switch (dsi->format) {
case MIPI_DSI_FMT_RGB888:
- interface_pix_fmt = ROCKCHIP_OUT_MODE_P888;
+ s->output_mode = ROCKCHIP_OUT_MODE_P888;
break;
case MIPI_DSI_FMT_RGB666:
- interface_pix_fmt = ROCKCHIP_OUT_MODE_P666;
+ s->output_mode = ROCKCHIP_OUT_MODE_P666;
break;
case MIPI_DSI_FMT_RGB565:
- interface_pix_fmt = ROCKCHIP_OUT_MODE_P565;
+ s->output_mode = ROCKCHIP_OUT_MODE_P565;
break;
default:
WARN_ON(1);
- return;
+ return -EINVAL;
}
- rockchip_drm_crtc_mode_config(encoder->crtc, DRM_MODE_CONNECTOR_DSI,
- interface_pix_fmt);
+ s->output_type = DRM_MODE_CONNECTOR_DSI;
- if (mux)
- val = DSI0_SEL_VOP_LIT | (DSI0_SEL_VOP_LIT << 16);
- else
- val = DSI0_SEL_VOP_LIT << 16;
-
- regmap_write(dsi->grf_regmap, GRF_SOC_CON6, val);
- dev_dbg(dsi->dev, "vop %s output to dsi0\n", (mux) ? "LIT" : "BIG");
+ return 0;
}
static struct drm_encoder_helper_funcs
@@ -927,6 +936,7 @@ dw_mipi_dsi_encoder_helper_funcs = {
.commit = dw_mipi_dsi_encoder_commit,
.mode_set = dw_mipi_dsi_encoder_mode_set,
.disable = dw_mipi_dsi_encoder_disable,
+ .atomic_check = dw_mipi_dsi_encoder_atomic_check,
};
static struct drm_encoder_funcs dw_mipi_dsi_encoder_funcs = {
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index d5cfef75f..801110f65 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -201,9 +201,6 @@ static void dw_hdmi_rockchip_encoder_enable(struct drm_encoder *encoder)
u32 val;
int mux;
- rockchip_drm_crtc_mode_config(encoder->crtc, DRM_MODE_CONNECTOR_HDMIA,
- ROCKCHIP_OUT_MODE_AAAA);
-
mux = drm_of_encoder_active_endpoint_id(hdmi->dev->of_node, encoder);
if (mux)
val = HDMI_SEL_VOP_LIT | (HDMI_SEL_VOP_LIT << 16);
@@ -215,11 +212,25 @@ static void dw_hdmi_rockchip_encoder_enable(struct drm_encoder *encoder)
(mux) ? "LIT" : "BIG");
}
+static int
+dw_hdmi_rockchip_encoder_atomic_check(struct drm_encoder *encoder,
+ struct drm_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
+{
+ struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
+
+ s->output_mode = ROCKCHIP_OUT_MODE_AAAA;
+ s->output_type = DRM_MODE_CONNECTOR_HDMIA;
+
+ return 0;
+}
+
static const struct drm_encoder_helper_funcs dw_hdmi_rockchip_encoder_helper_funcs = {
.mode_fixup = dw_hdmi_rockchip_encoder_mode_fixup,
.mode_set = dw_hdmi_rockchip_encoder_mode_set,
.enable = dw_hdmi_rockchip_encoder_enable,
.disable = dw_hdmi_rockchip_encoder_disable,
+ .atomic_check = dw_hdmi_rockchip_encoder_atomic_check,
};
static const struct dw_hdmi_plat_data rockchip_hdmi_drv_data = {
diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index 10d62fff2..f8b4feb60 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -500,9 +500,6 @@ static void inno_hdmi_encoder_enable(struct drm_encoder *encoder)
{
struct inno_hdmi *hdmi = to_inno_hdmi(encoder);
- rockchip_drm_crtc_mode_config(encoder->crtc, DRM_MODE_CONNECTOR_HDMIA,
- ROCKCHIP_OUT_MODE_P888);
-
inno_hdmi_set_pwr_mode(hdmi, NORMAL);
}
@@ -520,11 +517,25 @@ static bool inno_hdmi_encoder_mode_fixup(struct drm_encoder *encoder,
return true;
}
+static int
+inno_hdmi_encoder_atomic_check(struct drm_encoder *encoder,
+ struct drm_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
+{
+ struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
+
+ s->output_mode = ROCKCHIP_OUT_MODE_P888;
+ s->output_type = DRM_MODE_CONNECTOR_HDMIA;
+
+ return 0;
+}
+
static struct drm_encoder_helper_funcs inno_hdmi_encoder_helper_funcs = {
.enable = inno_hdmi_encoder_enable,
.disable = inno_hdmi_encoder_disable,
.mode_fixup = inno_hdmi_encoder_mode_fixup,
.mode_set = inno_hdmi_encoder_mode_set,
+ .atomic_check = inno_hdmi_encoder_atomic_check,
};
static struct drm_encoder_funcs inno_hdmi_encoder_funcs = {
@@ -855,8 +866,9 @@ static int inno_hdmi_bind(struct device *dev, struct device *master,
hdmi->ddc = inno_hdmi_i2c_adapter(hdmi);
if (IS_ERR(hdmi->ddc)) {
+ ret = PTR_ERR(hdmi->ddc);
hdmi->ddc = NULL;
- return PTR_ERR(hdmi->ddc);
+ return ret;
}
/*
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index f556a8f4f..a409d1f70 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -36,6 +36,8 @@
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 0
+static bool is_support_iommu = true;
+
/*
* Attach a (component) device to the shared drm dma mapping from master drm
* device. This is used by the VOPs to map GEM buffers to a common DMA
@@ -47,6 +49,9 @@ int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
struct dma_iommu_mapping *mapping = drm_dev->dev->archdata.mapping;
int ret;
+ if (!is_support_iommu)
+ return 0;
+
ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
if (ret)
return ret;
@@ -59,6 +64,9 @@ int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
struct device *dev)
{
+ if (!is_support_iommu)
+ return;
+
arm_iommu_detach_device(dev);
}
@@ -127,7 +135,7 @@ static void rockchip_drm_crtc_disable_vblank(struct drm_device *dev,
static int rockchip_drm_load(struct drm_device *drm_dev, unsigned long flags)
{
struct rockchip_drm_private *private;
- struct dma_iommu_mapping *mapping;
+ struct dma_iommu_mapping *mapping = NULL;
struct device *dev = drm_dev->dev;
struct drm_connector *connector;
int ret;
@@ -152,23 +160,26 @@ static int rockchip_drm_load(struct drm_device *drm_dev, unsigned long flags)
goto err_config_cleanup;
}
- /* TODO(djkurtz): fetch the mapping start/size from somewhere */
- mapping = arm_iommu_create_mapping(&platform_bus_type, 0x00000000,
- SZ_2G);
- if (IS_ERR(mapping)) {
- ret = PTR_ERR(mapping);
- goto err_config_cleanup;
- }
+ if (is_support_iommu) {
+ /* TODO(djkurtz): fetch the mapping start/size from somewhere */
+ mapping = arm_iommu_create_mapping(&platform_bus_type,
+ 0x00000000,
+ SZ_2G);
+ if (IS_ERR(mapping)) {
+ ret = PTR_ERR(mapping);
+ goto err_config_cleanup;
+ }
- ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
- if (ret)
- goto err_release_mapping;
+ ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
+ if (ret)
+ goto err_release_mapping;
- dma_set_max_seg_size(dev, DMA_BIT_MASK(32));
+ dma_set_max_seg_size(dev, DMA_BIT_MASK(32));
- ret = arm_iommu_attach_device(dev, mapping);
- if (ret)
- goto err_release_mapping;
+ ret = arm_iommu_attach_device(dev, mapping);
+ if (ret)
+ goto err_release_mapping;
+ }
/* Try to bind all sub drivers. */
ret = component_bind_all(dev, drm_dev);
@@ -205,19 +216,14 @@ static int rockchip_drm_load(struct drm_device *drm_dev, unsigned long flags)
if (ret)
goto err_kms_helper_poll_fini;
- /*
- * with vblank_disable_allowed = true, vblank interrupt will be disabled
- * by drm timer once a current process gives up ownership of
- * vblank event.(after drm_vblank_put function is called)
- */
- drm_dev->vblank_disable_allowed = true;
-
drm_mode_config_reset(drm_dev);
ret = rockchip_drm_fbdev_init(drm_dev);
if (ret)
goto err_vblank_cleanup;
+ if (is_support_iommu)
+ arm_iommu_release_mapping(mapping);
return 0;
err_vblank_cleanup:
drm_vblank_cleanup(drm_dev);
@@ -226,9 +232,11 @@ err_kms_helper_poll_fini:
err_unbind:
component_unbind_all(dev, drm_dev);
err_detach_device:
- arm_iommu_detach_device(dev);
+ if (is_support_iommu)
+ arm_iommu_detach_device(dev);
err_release_mapping:
- arm_iommu_release_mapping(dev->archdata.mapping);
+ if (is_support_iommu)
+ arm_iommu_release_mapping(mapping);
err_config_cleanup:
drm_mode_config_cleanup(drm_dev);
drm_dev->dev_private = NULL;
@@ -243,8 +251,8 @@ static int rockchip_drm_unload(struct drm_device *drm_dev)
drm_vblank_cleanup(drm_dev);
drm_kms_helper_poll_fini(drm_dev);
component_unbind_all(dev, drm_dev);
- arm_iommu_detach_device(dev);
- arm_iommu_release_mapping(dev->archdata.mapping);
+ if (is_support_iommu)
+ arm_iommu_detach_device(dev);
drm_mode_config_cleanup(drm_dev);
drm_dev->dev_private = NULL;
@@ -488,6 +496,8 @@ static int rockchip_drm_platform_probe(struct platform_device *pdev)
* works as expected.
*/
for (i = 0;; i++) {
+ struct device_node *iommu;
+
port = of_parse_phandle(np, "ports", i);
if (!port)
break;
@@ -497,6 +507,17 @@ static int rockchip_drm_platform_probe(struct platform_device *pdev)
continue;
}
+ iommu = of_parse_phandle(port->parent, "iommus", 0);
+ if (!iommu || !of_device_is_available(iommu->parent)) {
+ dev_dbg(dev, "no iommu attached for %s, using non-iommu buffers\n",
+ port->parent->full_name);
+ /*
+ * if there is a crtc not support iommu, force set all
+ * crtc use non-iommu buffer.
+ */
+ is_support_iommu = false;
+ }
+
component_match_add(dev, &match, compare_of, port->parent);
of_node_put(port);
}
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
index 00d17d71a..56f43a364 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
@@ -50,6 +50,14 @@ struct rockchip_atomic_commit {
struct mutex lock;
};
+struct rockchip_crtc_state {
+ struct drm_crtc_state base;
+ int output_type;
+ int output_mode;
+};
+#define to_rockchip_crtc_state(s) \
+ container_of(s, struct rockchip_crtc_state, base)
+
/*
* Rockchip drm private structure.
*
@@ -68,8 +76,6 @@ void rockchip_drm_atomic_work(struct work_struct *work);
int rockchip_register_crtc_funcs(struct drm_crtc *crtc,
const struct rockchip_crtc_funcs *crtc_funcs);
void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc);
-int rockchip_drm_crtc_mode_config(struct drm_crtc *crtc, int connector_type,
- int out_mode);
int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
struct device *dev);
void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
index 3b8f65269..755cfdba6 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
@@ -123,8 +123,7 @@ rockchip_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
unsigned int height = mode_cmd->height / (i ? vsub : 1);
unsigned int min_size;
- obj = drm_gem_object_lookup(dev, file_priv,
- mode_cmd->handles[i]);
+ obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[i]);
if (!obj) {
dev_err(dev->dev, "Failed to lookup GEM object\n");
ret = -ENXIO;
@@ -276,7 +275,7 @@ void rockchip_drm_atomic_work(struct work_struct *work)
int rockchip_drm_atomic_commit(struct drm_device *dev,
struct drm_atomic_state *state,
- bool async)
+ bool nonblock)
{
struct rockchip_drm_private *private = dev->dev_private;
struct rockchip_atomic_commit *commit = &private->commit;
@@ -286,7 +285,7 @@ int rockchip_drm_atomic_commit(struct drm_device *dev,
if (ret)
return ret;
- /* serialize outstanding asynchronous commits */
+ /* serialize outstanding nonblocking commits */
mutex_lock(&commit->lock);
flush_work(&commit->work);
@@ -295,7 +294,7 @@ int rockchip_drm_atomic_commit(struct drm_device *dev,
commit->dev = dev;
commit->state = state;
- if (async)
+ if (nonblock)
schedule_work(&commit->work);
else
rockchip_atomic_commit_complete(commit);
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
index 18e07338c..9c2d8a894 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
@@ -198,7 +198,7 @@ int rockchip_gem_dumb_map_offset(struct drm_file *file_priv,
struct drm_gem_object *obj;
int ret;
- obj = drm_gem_object_lookup(dev, file_priv, handle);
+ obj = drm_gem_object_lookup(file_priv, handle);
if (!obj) {
DRM_ERROR("failed to lookup gem object.\n");
return -EINVAL;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index a619f120f..1c4d5b5a7 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -310,7 +310,7 @@ static void scl_vop_cal_scl_fac(struct vop *vop, const struct vop_win_data *win,
uint16_t vsu_mode;
uint16_t lb_mode;
uint32_t val;
- int vskiplines;
+ int vskiplines = 0;
if (dst_w > 3840) {
DRM_ERROR("Maximum destination width (3840) exceeded\n");
@@ -560,6 +560,22 @@ static void vop_plane_destroy(struct drm_plane *plane)
drm_plane_cleanup(plane);
}
+static int vop_plane_prepare_fb(struct drm_plane *plane,
+ const struct drm_plane_state *new_state)
+{
+ if (plane->state->fb)
+ drm_framebuffer_reference(plane->state->fb);
+
+ return 0;
+}
+
+static void vop_plane_cleanup_fb(struct drm_plane *plane,
+ const struct drm_plane_state *old_state)
+{
+ if (old_state->fb)
+ drm_framebuffer_unreference(old_state->fb);
+}
+
static int vop_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
@@ -756,6 +772,8 @@ static void vop_plane_atomic_update(struct drm_plane *plane,
}
static const struct drm_plane_helper_funcs plane_helper_funcs = {
+ .prepare_fb = vop_plane_prepare_fb,
+ .cleanup_fb = vop_plane_cleanup_fb,
.atomic_check = vop_plane_atomic_check,
.atomic_update = vop_plane_atomic_update,
.atomic_disable = vop_plane_atomic_disable,
@@ -804,7 +822,7 @@ static void vop_atomic_plane_destroy_state(struct drm_plane *plane,
{
struct vop_plane_state *vop_state = to_vop_plane_state(state);
- __drm_atomic_helper_plane_destroy_state(plane, state);
+ __drm_atomic_helper_plane_destroy_state(state);
kfree(vop_state);
}
@@ -818,38 +836,6 @@ static const struct drm_plane_funcs vop_plane_funcs = {
.atomic_destroy_state = vop_atomic_plane_destroy_state,
};
-int rockchip_drm_crtc_mode_config(struct drm_crtc *crtc,
- int connector_type,
- int out_mode)
-{
- struct vop *vop = to_vop(crtc);
-
- if (WARN_ON(!vop->is_enabled))
- return -EINVAL;
-
- switch (connector_type) {
- case DRM_MODE_CONNECTOR_LVDS:
- VOP_CTRL_SET(vop, rgb_en, 1);
- break;
- case DRM_MODE_CONNECTOR_eDP:
- VOP_CTRL_SET(vop, edp_en, 1);
- break;
- case DRM_MODE_CONNECTOR_HDMIA:
- VOP_CTRL_SET(vop, hdmi_en, 1);
- break;
- case DRM_MODE_CONNECTOR_DSI:
- VOP_CTRL_SET(vop, mipi_en, 1);
- break;
- default:
- DRM_ERROR("unsupport connector_type[%d]\n", connector_type);
- return -EINVAL;
- };
- VOP_CTRL_SET(vop, out_mode, out_mode);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(rockchip_drm_crtc_mode_config);
-
static int vop_crtc_enable_vblank(struct drm_crtc *crtc)
{
struct vop *vop = to_vop(crtc);
@@ -931,6 +917,7 @@ static bool vop_crtc_mode_fixup(struct drm_crtc *crtc,
static void vop_crtc_enable(struct drm_crtc *crtc)
{
struct vop *vop = to_vop(crtc);
+ struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc->state);
struct drm_display_mode *adjusted_mode = &crtc->state->adjusted_mode;
u16 hsync_len = adjusted_mode->hsync_end - adjusted_mode->hsync_start;
u16 hdisplay = adjusted_mode->hdisplay;
@@ -985,6 +972,23 @@ static void vop_crtc_enable(struct drm_crtc *crtc)
val |= (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) ? 0 : 1;
val |= (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) ? 0 : (1 << 1);
VOP_CTRL_SET(vop, pin_pol, val);
+ switch (s->output_type) {
+ case DRM_MODE_CONNECTOR_LVDS:
+ VOP_CTRL_SET(vop, rgb_en, 1);
+ break;
+ case DRM_MODE_CONNECTOR_eDP:
+ VOP_CTRL_SET(vop, edp_en, 1);
+ break;
+ case DRM_MODE_CONNECTOR_HDMIA:
+ VOP_CTRL_SET(vop, hdmi_en, 1);
+ break;
+ case DRM_MODE_CONNECTOR_DSI:
+ VOP_CTRL_SET(vop, mipi_en, 1);
+ break;
+ default:
+ DRM_ERROR("unsupport connector_type[%d]\n", s->output_type);
+ }
+ VOP_CTRL_SET(vop, out_mode, s->output_mode);
VOP_CTRL_SET(vop, htotal_pw, (htotal << 16) | hsync_len);
val = hact_st << 16;
@@ -1044,13 +1048,34 @@ static void vop_crtc_destroy(struct drm_crtc *crtc)
drm_crtc_cleanup(crtc);
}
+static struct drm_crtc_state *vop_crtc_duplicate_state(struct drm_crtc *crtc)
+{
+ struct rockchip_crtc_state *rockchip_state;
+
+ rockchip_state = kzalloc(sizeof(*rockchip_state), GFP_KERNEL);
+ if (!rockchip_state)
+ return NULL;
+
+ __drm_atomic_helper_crtc_duplicate_state(crtc, &rockchip_state->base);
+ return &rockchip_state->base;
+}
+
+static void vop_crtc_destroy_state(struct drm_crtc *crtc,
+ struct drm_crtc_state *state)
+{
+ struct rockchip_crtc_state *s = to_rockchip_crtc_state(state);
+
+ __drm_atomic_helper_crtc_destroy_state(&s->base);
+ kfree(s);
+}
+
static const struct drm_crtc_funcs vop_crtc_funcs = {
.set_config = drm_atomic_helper_set_config,
.page_flip = drm_atomic_helper_page_flip,
.destroy = vop_crtc_destroy,
.reset = drm_atomic_helper_crtc_reset,
- .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+ .atomic_duplicate_state = vop_crtc_duplicate_state,
+ .atomic_destroy_state = vop_crtc_destroy_state,
};
static bool vop_win_pending_is_complete(struct vop_win *vop_win)