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path: root/drivers/gpu/drm/panel
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Diffstat (limited to 'drivers/gpu/drm/panel')
-rw-r--r--drivers/gpu/drm/panel/Kconfig3
-rw-r--r--drivers/gpu/drm/panel/panel-ilitek-ili9881c.c7
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index 7450b27622a2..3eac4d0f88bc 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -232,6 +232,7 @@ config DRM_PANEL_HIMAX_HX83121A
depends on OF
depends on DRM_MIPI_DSI
depends on BACKLIGHT_CLASS_DEVICE
+ select DRM_DISPLAY_HELPER
select DRM_DISPLAY_DSC_HELPER
select DRM_KMS_HELPER
help
@@ -332,6 +333,7 @@ config DRM_PANEL_ILITEK_ILI9882T
depends on OF
depends on DRM_MIPI_DSI
depends on BACKLIGHT_CLASS_DEVICE
+ select DRM_DISPLAY_HELPER
select DRM_DISPLAY_DSC_HELPER
help
Say Y if you want to enable support for panels based on the
@@ -954,6 +956,7 @@ config DRM_PANEL_SAMSUNG_S6E3HA8
depends on OF
depends on DRM_MIPI_DSI
depends on BACKLIGHT_CLASS_DEVICE
+ select DRM_DISPLAY_HELPER
select DRM_DISPLAY_DSC_HELPER
help
Say Y or M here if you want to enable support for the
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
index 0652cdb57d11..6c8d02712566 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -2562,9 +2562,12 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi)
"Couldn't get our power regulator\n");
ctx->iovcc = devm_regulator_get_optional(&dsi->dev, "iovcc");
- if (IS_ERR(ctx->iovcc))
- return dev_err_probe(&dsi->dev, PTR_ERR(ctx->iovcc),
+ if (IS_ERR(ctx->iovcc)) {
+ if (PTR_ERR(ctx->iovcc) != -ENODEV)
+ return dev_err_probe(&dsi->dev, PTR_ERR(ctx->iovcc),
"Couldn't get our iovcc regulator\n");
+ ctx->iovcc = NULL;
+ }
ctx->reset = devm_gpiod_get_optional(&dsi->dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(ctx->reset))