From f6708c597f3dddb2855288e7a8bd85e0f6737645 Mon Sep 17 00:00:00 2001 From: Ondrej Jirman Date: Sat, 17 Jun 2023 12:20:13 +0200 Subject: [PATCH 384/480] drm: panel: hs8394: Instrument the panel driver's callbacks --- drivers/gpu/drm/panel/panel-himax-hx8394.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-himax-hx8394.c b/drivers/gpu/drm/panel/panel-himax-hx8394.c index bdcc98c77755..8eec39c04783 100644 --- a/drivers/gpu/drm/panel/panel-himax-hx8394.c +++ b/drivers/gpu/drm/panel/panel-himax-hx8394.c @@ -514,6 +514,8 @@ static int hx8394_enable(struct drm_panel *panel) struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); int ret; + dev_info(ctx->dev, "enable\n"); + ret = ctx->desc->init_sequence(ctx); if (ret) { dev_err(ctx->dev, "Panel init sequence failed: %d\n", ret); @@ -551,6 +553,8 @@ static int hx8394_disable(struct drm_panel *panel) struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); int ret; + dev_info(ctx->dev, "disable\n"); + ret = mipi_dsi_dcs_enter_sleep_mode(dsi); if (ret) { dev_err(ctx->dev, "Failed to enter sleep mode: %d\n", ret); @@ -566,6 +570,8 @@ static int hx8394_unprepare(struct drm_panel *panel) { struct hx8394 *ctx = panel_to_hx8394(panel); + dev_info(ctx->dev, "unprepare\n"); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); regulator_disable(ctx->iovcc); @@ -579,6 +585,8 @@ static int hx8394_prepare(struct drm_panel *panel) struct hx8394 *ctx = panel_to_hx8394(panel); int ret; + dev_info(ctx->dev, "prepare\n"); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); ret = regulator_enable(ctx->vcc); -- 2.49.0