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drm/rockchip: dsi: add support command mode with soft te

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Change-Id: I313f01e83fb06c60c8a49d676e0518acbd2d7c2e
Signed-off-by: Guochun Huang <hero.huang@rock-chips.com>
This commit is contained in:
Guochun Huang
2024-05-15 16:06:09 +08:00
committed by Tao Huang
parent 2fab178061
commit 60853eadd8
1 changed files with 40 additions and 0 deletions
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40
drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
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@@ -7,6 +7,7 @@
*/
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/iopoll.h>
#include <linux/math64.h>
#include <linux/mfd/syscon.h>
@@ -337,6 +338,7 @@ struct dw_mipi_dsi_rockchip {
u16 input_div;
u16 feedback_div;
u32 format;
u32 mode_flags;
struct dw_mipi_dsi *dmd;
const struct rockchip_dw_dsi_chip_data *cdata;
@@ -345,6 +347,9 @@ struct dw_mipi_dsi_rockchip {
struct rockchip_drm_sub_dev sub_dev;
struct drm_panel *panel;
struct drm_bridge *bridge;
struct gpio_desc *te_gpio;
bool disable_hold_mode;
};
static struct dw_mipi_dsi_rockchip *to_dsi(struct drm_encoder *encoder)
@@ -855,6 +860,12 @@ dw_mipi_dsi_encoder_atomic_check(struct drm_encoder *encoder,
if (dsi->id && dsi->cdata->soc_type == RK3399)
s->output_flags |= ROCKCHIP_OUTPUT_DATA_SWAP;
if (!(dsi->mode_flags & MIPI_DSI_MODE_VIDEO)) {
s->output_flags |= ROCKCHIP_OUTPUT_MIPI_DS_MODE;
s->soft_te = dsi->te_gpio ? true : false;
s->hold_mode = dsi->disable_hold_mode ? false : true;
}
if (dsi->dsc_enable) {
s->dsc_enable = 1;
s->dsc_sink_cap.version_major = dsi->version_major;
@@ -988,6 +999,17 @@ static struct device
return NULL;
}
static irqreturn_t dw_mipi_dsi_te_irq_handler(int irq, void *dev_id)
{
struct dw_mipi_dsi_rockchip *dsi = (struct dw_mipi_dsi_rockchip *)dev_id;
struct drm_encoder *encoder = &dsi->encoder;
if (encoder->crtc)
rockchip_drm_te_handle(encoder->crtc);
return IRQ_HANDLED;
}
static int dw_mipi_dsi_get_dsc_info_from_sink(struct dw_mipi_dsi_rockchip *dsi,
struct drm_panel *panel,
struct drm_bridge *bridge)
@@ -1012,6 +1034,7 @@ static int dw_mipi_dsi_get_dsc_info_from_sink(struct dw_mipi_dsi_rockchip *dsi,
dsi->scrambling_en = of_property_read_bool(np, "scrambling-enable");
dsi->dsc_enable = of_property_read_bool(np, "compressed-data");
dsi->block_pred_enable = of_property_read_bool(np, "blk-pred-enable");
of_property_read_u32(np, "dsi,flags", &dsi->mode_flags);
of_property_read_u32(np, "slice-width", &dsi->slice_width);
of_property_read_u32(np, "slice-height", &dsi->slice_height);
of_property_read_u32(np, "slice-per-pkt", &dsi->slice_per_pkt);
@@ -1511,6 +1534,23 @@ static int dw_mipi_dsi_rockchip_probe(struct platform_device *pdev)
return PTR_ERR(dsi->grf_regmap);
}
if (device_property_read_bool(dev, "disable-hold-mode"))
dsi->disable_hold_mode = true;
dsi->te_gpio = devm_gpiod_get_optional(dev, "te", GPIOD_IN);
if (IS_ERR(dsi->te_gpio))
dsi->te_gpio = NULL;
if (dsi->te_gpio) {
ret = devm_request_irq(dev, gpiod_to_irq(dsi->te_gpio),
dw_mipi_dsi_te_irq_handler,
IRQF_TRIGGER_RISING, "PANEL-TE", dsi);
if (ret) {
DRM_DEV_ERROR(dev, "failed to request TE IRQ: %d\n", ret);
return ret;
}
}
dsi->dev = dev;
dsi->pdata.base = dsi->base;
dsi->pdata.max_data_lanes = dsi->cdata->max_data_lanes;