[PATCH V2 01/10] drm/panel: himax-hx8394: Drop prepare/unprepare tracking

Chris Morgan
2023-12-04T18:57:26Z

Drop the panel specific prepare/unprepare logic. This is now tracked
by the DRM stack [1].

[1] commit d2aacaf07395 ("drm/panel: Check for already prepared/enabled in
drm_panel")

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
---
drivers/gpu/drm/panel/panel-himax-hx8394.c | 11 -----------
1 file changed, 11 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-himax-hx8394.c b/drivers/gpu/drm/panel/panel-himax-hx8394.c
index c73243d85de7..3823ff388b96 100644
--- a/drivers/gpu/drm/panel/panel-himax-hx8394.c
+++ b/drivers/gpu/drm/panel/panel-himax-hx8394.c
@@ -68,7 +68,6 @@ struct hx8394 {
struct gpio_desc *reset_gpio;
struct regulator *vcc;
struct regulator *iovcc;
- bool prepared;

const struct hx8394_panel_desc *desc;
};
@@ -262,16 +261,11 @@ static int hx8394_unprepare(struct drm_panel *panel)
{
struct hx8394 *ctx = panel_to_hx8394(panel);

- if (!ctx->prepared)
- return 0;
-
gpiod_set_value_cansleep(ctx->reset_gpio, 1);

regulator_disable(ctx->iovcc);
regulator_disable(ctx->vcc);

- ctx->prepared = false;
-
return 0;
}

@@ -280,9 +274,6 @@ static int hx8394_prepare(struct drm_panel *panel)
struct hx8394 *ctx = panel_to_hx8394(panel);
int ret;

- if (ctx->prepared)
- return 0;
-
gpiod_set_value_cansleep(ctx->reset_gpio, 1);

ret = regulator_enable(ctx->vcc);
@@ -301,8 +292,6 @@ static int hx8394_prepare(struct drm_panel *panel)

msleep(180);

- ctx->prepared = true;
-
return 0;

disable_vcc:
--
2.34.1