The commit 007ac0262b0d ("drm/msm/dsi: switch to DRM_PANEL_BRIDGE")
breaks panels which send DSI commands in their .unprepare callbacks.
Migrate to using .disable for that for some SDM845 panels.
Co-developed-by: Joel Selvaraj <joelselvaraj....@gmail.com>
Signed-off-by: Joel Selvaraj <joelselvaraj....@gmail.com>
Signed-off-by: Caleb Connolly <caleb.conno...@linaro.org>
---
base-commit: 858fd168a95c5b9669aac8db6c14a9aeab446375
// Caleb (they/them)
---
drivers/gpu/drm/panel/panel-ebbg-ft8719.c | 18 +++++++-----------
drivers/gpu/drm/panel/panel-novatek-nt36672a.c | 11 ++++++++++-
drivers/gpu/drm/panel/panel-visionox-rm69299.c | 11 ++++++++++-
3 files changed, 27 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-ebbg-ft8719.c
b/drivers/gpu/drm/panel/panel-ebbg-ft8719.c
index e85d63a176d0..b40a27558e7c 100644
--- a/drivers/gpu/drm/panel/panel-ebbg-ft8719.c
+++ b/drivers/gpu/drm/panel/panel-ebbg-ft8719.c
@@ -87,22 +87,22 @@ static int ebbg_ft8719_on(struct ebbg_ft8719 *ctx)
return 0;
}
-static int ebbg_ft8719_off(struct ebbg_ft8719 *ctx)
+static int ebbg_ft8719_disable(struct drm_panel *panel)
{
- struct mipi_dsi_device *dsi = ctx->dsi;
- struct device *dev = &dsi->dev;
+ struct ebbg_ft8719 *ctx = to_ebbg_ft8719(panel);
+ struct device *dev = &ctx->dsi->dev;
int ret;
- dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
+ ctx->dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
- ret = mipi_dsi_dcs_set_display_off(dsi);
+ ret = mipi_dsi_dcs_set_display_off(ctx->dsi);
if (ret < 0) {
dev_err(dev, "Failed to set display off: %d\n", ret);
return ret;
}
usleep_range(10000, 11000);
- ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
+ ret = mipi_dsi_dcs_enter_sleep_mode(ctx->dsi);
if (ret < 0) {
dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
return ret;
@@ -137,13 +137,8 @@ static int ebbg_ft8719_prepare(struct drm_panel *panel)
static int ebbg_ft8719_unprepare(struct drm_panel *panel)
{
struct ebbg_ft8719 *ctx = to_ebbg_ft8719(panel);
- struct device *dev = &ctx->dsi->dev;
int ret;
- ret = ebbg_ft8719_off(ctx);
- if (ret < 0)
- dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
-
gpiod_set_value_cansleep(ctx->reset_gpio, 1);
ret = regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
@@ -188,6 +183,7 @@ static int ebbg_ft8719_get_modes(struct drm_panel *panel,
static const struct drm_panel_funcs ebbg_ft8719_panel_funcs = {
.prepare = ebbg_ft8719_prepare,
+ .disable = ebbg_ft8719_disable,
.unprepare = ebbg_ft8719_unprepare,
.get_modes = ebbg_ft8719_get_modes,
};
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36672a.c
b/drivers/gpu/drm/panel/panel-novatek-nt36672a.c
index 73bcffa1e0c1..2e1a87001479 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt36672a.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt36672a.c
@@ -115,7 +115,7 @@ static int nt36672a_panel_power_off(struct drm_panel *panel)
return ret;
}
-static int nt36672a_panel_unprepare(struct drm_panel *panel)
+static int nt36672a_panel_disable(struct drm_panel *panel)
{
struct nt36672a_panel *pinfo = to_nt36672a_panel(panel);
int ret;
@@ -144,6 +144,14 @@ static int nt36672a_panel_unprepare(struct drm_panel
*panel)
/* 0x3C = 60ms delay */
msleep(60);
+ return ret;
+}
+
+static int nt36672a_panel_unprepare(struct drm_panel *panel)
+{
+ struct nt36672a_panel *pinfo = to_nt36672a_panel(panel);
+ int ret;
+
ret = nt36672a_panel_power_off(panel);
if (ret < 0)
dev_err(panel->dev, "power_off failed ret = %d\n", ret);
@@ -255,6 +263,7 @@ static int nt36672a_panel_get_modes(struct drm_panel *panel,
}
static const struct drm_panel_funcs panel_funcs = {
+ .disable = nt36672a_panel_disable,
.unprepare = nt36672a_panel_unprepare,
.prepare = nt36672a_panel_prepare,
.get_modes = nt36672a_panel_get_modes,
diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c
b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
index ec228c269146..9dc17afbe540 100644
--- a/drivers/gpu/drm/panel/panel-visionox-rm69299.c
+++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
@@ -59,7 +59,7 @@ static int visionox_rm69299_power_off(struct visionox_rm69299
*ctx)
return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
}
-static int visionox_rm69299_unprepare(struct drm_panel *panel)
+static int visionox_rm69299_disable(struct drm_panel *panel)
{
struct visionox_rm69299 *ctx = panel_to_ctx(panel);
int ret;
@@ -78,6 +78,14 @@ static int visionox_rm69299_unprepare(struct drm_panel
*panel)
dev_err(ctx->panel.dev, "enter_sleep cmd failed ret = %d\n",
ret);
}
+ return ret;
+}
+
+static int visionox_rm69299_unprepare(struct drm_panel *panel)
+{
+ struct visionox_rm69299 *ctx = panel_to_ctx(panel);
+ int ret;
+
ret = visionox_rm69299_power_off(ctx);
ctx->prepared = false;
@@ -184,6 +192,7 @@ static int visionox_rm69299_get_modes(struct drm_panel
*panel,
}
static const struct drm_panel_funcs visionox_rm69299_drm_funcs = {
+ .disable = visionox_rm69299_disable,
.unprepare = visionox_rm69299_unprepare,
.prepare = visionox_rm69299_prepare,
.get_modes = visionox_rm69299_get_modes,
