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path: root/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
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Diffstat (limited to 'drivers/gpu/drm/rockchip/dw-mipi-dsi.c')
-rw-r--r--drivers/gpu/drm/rockchip/dw-mipi-dsi.c89
1 files changed, 49 insertions, 40 deletions
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
index 9a20b9dc27c8..b1fe0639227e 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
@@ -430,9 +430,9 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
testdin = max_mbps_to_testdin(dsi->lane_mbps);
if (testdin < 0) {
- dev_err(dsi->dev,
- "failed to get testdin for %dmbps lane clock\n",
- dsi->lane_mbps);
+ DRM_DEV_ERROR(dsi->dev,
+ "failed to get testdin for %dmbps lane clock\n",
+ dsi->lane_mbps);
return testdin;
}
@@ -443,7 +443,7 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
ret = clk_prepare_enable(dsi->phy_cfg_clk);
if (ret) {
- dev_err(dsi->dev, "Failed to enable phy_cfg_clk\n");
+ DRM_DEV_ERROR(dsi->dev, "Failed to enable phy_cfg_clk\n");
return ret;
}
@@ -501,7 +501,7 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS,
val, val & LOCK, 1000, PHY_STATUS_TIMEOUT_US);
if (ret < 0) {
- dev_err(dsi->dev, "failed to wait for phy lock state\n");
+ DRM_DEV_ERROR(dsi->dev, "failed to wait for phy lock state\n");
goto phy_init_end;
}
@@ -509,8 +509,8 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
val, val & STOP_STATE_CLK_LANE, 1000,
PHY_STATUS_TIMEOUT_US);
if (ret < 0)
- dev_err(dsi->dev,
- "failed to wait for phy clk lane stop state\n");
+ DRM_DEV_ERROR(dsi->dev,
+ "failed to wait for phy clk lane stop state\n");
phy_init_end:
clk_disable_unprepare(dsi->phy_cfg_clk);
@@ -529,8 +529,9 @@ static int dw_mipi_dsi_get_lane_bps(struct dw_mipi_dsi *dsi,
bpp = mipi_dsi_pixel_format_to_bpp(dsi->format);
if (bpp < 0) {
- dev_err(dsi->dev, "failed to get bpp for pixel format %d\n",
- dsi->format);
+ DRM_DEV_ERROR(dsi->dev,
+ "failed to get bpp for pixel format %d\n",
+ dsi->format);
return bpp;
}
@@ -541,7 +542,8 @@ static int dw_mipi_dsi_get_lane_bps(struct dw_mipi_dsi *dsi,
if (tmp < max_mbps)
target_mbps = tmp;
else
- dev_err(dsi->dev, "DPHY clock frequency is out of range\n");
+ DRM_DEV_ERROR(dsi->dev,
+ "DPHY clock frequency is out of range\n");
}
pllref = DIV_ROUND_UP(clk_get_rate(dsi->pllref_clk), USEC_PER_SEC);
@@ -582,8 +584,9 @@ static int dw_mipi_dsi_host_attach(struct mipi_dsi_host *host,
struct dw_mipi_dsi *dsi = host_to_dsi(host);
if (device->lanes > dsi->pdata->max_data_lanes) {
- dev_err(dsi->dev, "the number of data lanes(%u) is too many\n",
- device->lanes);
+ DRM_DEV_ERROR(dsi->dev,
+ "the number of data lanes(%u) is too many\n",
+ device->lanes);
return -EINVAL;
}
@@ -632,7 +635,8 @@ static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val)
val, !(val & GEN_CMD_FULL), 1000,
CMD_PKT_STATUS_TIMEOUT_US);
if (ret < 0) {
- dev_err(dsi->dev, "failed to get available command FIFO\n");
+ DRM_DEV_ERROR(dsi->dev,
+ "failed to get available command FIFO\n");
return ret;
}
@@ -643,7 +647,7 @@ static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val)
val, (val & mask) == mask,
1000, CMD_PKT_STATUS_TIMEOUT_US);
if (ret < 0) {
- dev_err(dsi->dev, "failed to write command FIFO\n");
+ DRM_DEV_ERROR(dsi->dev, "failed to write command FIFO\n");
return ret;
}
@@ -663,8 +667,9 @@ static int dw_mipi_dsi_dcs_short_write(struct dw_mipi_dsi *dsi,
data |= tx_buf[1] << 8;
if (msg->tx_len > 2) {
- dev_err(dsi->dev, "too long tx buf length %zu for short write\n",
- msg->tx_len);
+ DRM_DEV_ERROR(dsi->dev,
+ "too long tx buf length %zu for short write\n",
+ msg->tx_len);
return -EINVAL;
}
@@ -682,8 +687,9 @@ static int dw_mipi_dsi_dcs_long_write(struct dw_mipi_dsi *dsi,
u32 val;
if (msg->tx_len < 3) {
- dev_err(dsi->dev, "wrong tx buf length %zu for long write\n",
- msg->tx_len);
+ DRM_DEV_ERROR(dsi->dev,
+ "wrong tx buf length %zu for long write\n",
+ msg->tx_len);
return -EINVAL;
}
@@ -704,8 +710,8 @@ static int dw_mipi_dsi_dcs_long_write(struct dw_mipi_dsi *dsi,
val, !(val & GEN_PLD_W_FULL), 1000,
CMD_PKT_STATUS_TIMEOUT_US);
if (ret < 0) {
- dev_err(dsi->dev,
- "failed to get available write payload FIFO\n");
+ DRM_DEV_ERROR(dsi->dev,
+ "failed to get available write payload FIFO\n");
return ret;
}
}
@@ -731,8 +737,8 @@ static ssize_t dw_mipi_dsi_host_transfer(struct mipi_dsi_host *host,
ret = dw_mipi_dsi_dcs_long_write(dsi, msg);
break;
default:
- dev_err(dsi->dev, "unsupported message type 0x%02x\n",
- msg->type);
+ DRM_DEV_ERROR(dsi->dev, "unsupported message type 0x%02x\n",
+ msg->type);
ret = -EINVAL;
}
@@ -935,7 +941,7 @@ static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder)
return;
if (clk_prepare_enable(dsi->pclk)) {
- dev_err(dsi->dev, "%s: Failed to enable pclk\n", __func__);
+ DRM_DEV_ERROR(dsi->dev, "Failed to enable pclk\n");
return;
}
@@ -967,7 +973,7 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder)
return;
if (clk_prepare_enable(dsi->pclk)) {
- dev_err(dsi->dev, "%s: Failed to enable pclk\n", __func__);
+ DRM_DEV_ERROR(dsi->dev, "Failed to enable pclk\n");
return;
}
@@ -991,7 +997,7 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder)
*/
ret = clk_prepare_enable(dsi->grf_clk);
if (ret) {
- dev_err(dsi->dev, "Failed to enable grf_clk: %d\n", ret);
+ DRM_DEV_ERROR(dsi->dev, "Failed to enable grf_clk: %d\n", ret);
return;
}
@@ -1004,7 +1010,7 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder)
dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_CMD_MODE);
if (drm_panel_prepare(dsi->panel))
- dev_err(dsi->dev, "failed to prepare panel\n");
+ DRM_DEV_ERROR(dsi->dev, "failed to prepare panel\n");
dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_VID_MODE);
drm_panel_enable(dsi->panel);
@@ -1017,7 +1023,8 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder)
val = pdata->dsi0_en_bit << 16;
regmap_write(dsi->grf_regmap, pdata->grf_switch_reg, val);
- dev_dbg(dsi->dev, "vop %s output to dsi0\n", (mux) ? "LIT" : "BIG");
+ DRM_DEV_DEBUG(dsi->dev,
+ "vop %s output to dsi0\n", (mux) ? "LIT" : "BIG");
dsi->dpms_mode = DRM_MODE_DPMS_ON;
clk_disable_unprepare(dsi->grf_clk);
@@ -1111,7 +1118,7 @@ static int dw_mipi_dsi_register(struct drm_device *drm,
ret = drm_encoder_init(drm, &dsi->encoder, &dw_mipi_dsi_encoder_funcs,
DRM_MODE_ENCODER_DSI, NULL);
if (ret) {
- dev_err(dev, "Failed to initialize encoder with drm\n");
+ DRM_DEV_ERROR(dev, "Failed to initialize encoder with drm\n");
return ret;
}
@@ -1133,7 +1140,7 @@ static int rockchip_mipi_parse_dt(struct dw_mipi_dsi *dsi)
dsi->grf_regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
if (IS_ERR(dsi->grf_regmap)) {
- dev_err(dsi->dev, "Unable to get rockchip,grf\n");
+ DRM_DEV_ERROR(dsi->dev, "Unable to get rockchip,grf\n");
return PTR_ERR(dsi->grf_regmap);
}
@@ -1205,14 +1212,15 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
dsi->pllref_clk = devm_clk_get(dev, "ref");
if (IS_ERR(dsi->pllref_clk)) {
ret = PTR_ERR(dsi->pllref_clk);
- dev_err(dev, "Unable to get pll reference clock: %d\n", ret);
+ DRM_DEV_ERROR(dev,
+ "Unable to get pll reference clock: %d\n", ret);
return ret;
}
dsi->pclk = devm_clk_get(dev, "pclk");
if (IS_ERR(dsi->pclk)) {
ret = PTR_ERR(dsi->pclk);
- dev_err(dev, "Unable to get pclk: %d\n", ret);
+ DRM_DEV_ERROR(dev, "Unable to get pclk: %d\n", ret);
return ret;
}
@@ -1226,7 +1234,8 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
if (ret == -ENOENT) {
apb_rst = NULL;
} else {
- dev_err(dev, "Unable to get reset control: %d\n", ret);
+ DRM_DEV_ERROR(dev,
+ "Unable to get reset control: %d\n", ret);
return ret;
}
}
@@ -1234,7 +1243,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
if (apb_rst) {
ret = clk_prepare_enable(dsi->pclk);
if (ret) {
- dev_err(dev, "%s: Failed to enable pclk\n", __func__);
+ DRM_DEV_ERROR(dev, "Failed to enable pclk\n");
return ret;
}
@@ -1249,7 +1258,8 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
dsi->phy_cfg_clk = devm_clk_get(dev, "phy_cfg");
if (IS_ERR(dsi->phy_cfg_clk)) {
ret = PTR_ERR(dsi->phy_cfg_clk);
- dev_err(dev, "Unable to get phy_cfg_clk: %d\n", ret);
+ DRM_DEV_ERROR(dev,
+ "Unable to get phy_cfg_clk: %d\n", ret);
return ret;
}
}
@@ -1258,30 +1268,28 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
dsi->grf_clk = devm_clk_get(dev, "grf");
if (IS_ERR(dsi->grf_clk)) {
ret = PTR_ERR(dsi->grf_clk);
- dev_err(dev, "Unable to get grf_clk: %d\n", ret);
+ DRM_DEV_ERROR(dev, "Unable to get grf_clk: %d\n", ret);
return ret;
}
}
ret = clk_prepare_enable(dsi->pllref_clk);
if (ret) {
- dev_err(dev, "%s: Failed to enable pllref_clk\n", __func__);
+ DRM_DEV_ERROR(dev, "Failed to enable pllref_clk\n");
return ret;
}
ret = dw_mipi_dsi_register(drm, dsi);
if (ret) {
- dev_err(dev, "Failed to register mipi_dsi: %d\n", ret);
+ DRM_DEV_ERROR(dev, "Failed to register mipi_dsi: %d\n", ret);
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);
if (ret) {
- dev_err(dev, "Failed to register MIPI host: %d\n", ret);
+ DRM_DEV_ERROR(dev, "Failed to register MIPI host: %d\n", ret);
goto err_cleanup;
}
@@ -1291,6 +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:
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.