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Subject[PATCH v6 6/6] drm/bridge: add PHY initialization in mhdp8546 driver.
Date
This patch modifies the mhdp8546 driver to initialize sd0801 "Torrent" PHY.

And removes the dbg_regs field from cdns_mhdp_device structure.

Signed-off-by: Damian Kos <dkos@cadence.com>
---
drivers/gpu/drm/bridge/cdns-mhdp.c | 9 +++++++++
include/drm/bridge/cdns-mhdp-common.h | 1 -
2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/cdns-mhdp.c b/drivers/gpu/drm/bridge/cdns-mhdp.c
index 48ac5cf1e031..caaf3c17d74f 100644
--- a/drivers/gpu/drm/bridge/cdns-mhdp.c
+++ b/drivers/gpu/drm/bridge/cdns-mhdp.c
@@ -17,6 +17,7 @@
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
+#include <linux/phy/phy.h>

#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
@@ -1220,6 +1221,12 @@ static int mhdp_probe(struct platform_device *pdev)
if (IS_ERR(mhdp->regs))
return PTR_ERR(mhdp->regs);

+ mhdp->phy = devm_phy_get(&pdev->dev, "dpphy");
+ if (IS_ERR(mhdp->phy)) {
+ dev_err(&pdev->dev, "no PHY configured\n");
+ return PTR_ERR(mhdp->phy);
+ }
+
platform_set_drvdata(pdev, mhdp);

ret = load_firmware(mhdp, FW_NAME, CDNS_MHDP_IMEM);
@@ -1291,6 +1298,8 @@ static int mhdp_probe(struct platform_device *pdev)
mhdp->dev, HDMI_CODEC_DRV_NAME, PLATFORM_DEVID_AUTO,
&codec_data, sizeof(codec_data));

+ phy_init(mhdp->phy);
+
/* Enable VIF clock for stream 0 */
cdns_mhdp_reg_read(mhdp, CDNS_DPTX_CAR, &resp);
cdns_mhdp_reg_write(mhdp, CDNS_DPTX_CAR,
diff --git a/include/drm/bridge/cdns-mhdp-common.h b/include/drm/bridge/cdns-mhdp-common.h
index d4711091ff2b..1e8a44138ce2 100644
--- a/include/drm/bridge/cdns-mhdp-common.h
+++ b/include/drm/bridge/cdns-mhdp-common.h
@@ -553,7 +553,6 @@ struct cdns_mhdp_device {
struct cdns_mhdp_sink sink;
struct cdns_mhdp_bridge bridge;
struct phy *phy;
- void __iomem *dbg_regs;

struct video_info video_info;
struct drm_display_mode mode;
--
2.17.1
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