From 0bfb1f8bcbf298854276472e20ee66312aee5029 Mon Sep 17 00:00:00 2001 From: Sean Paul Date: Tue, 11 Jun 2013 12:24:02 +0530 Subject: [PATCH] drm/exynos: Prepare/Unprepare HDMI subsystem clocks Change the clk_enable/clk_disable calls in mixer and hdmi drivers into clk_prepare_enable/clk_disable_unprepare, respectively. Signed-off-by: Sean Paul Signed-off-by: Rahul Sharma Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_hdmi.c | 24 ++++++++++++------------ drivers/gpu/drm/exynos/exynos_mixer.c | 12 ++++++------ 2 files changed, 18 insertions(+), 18 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 65bb9841317b..83bd496ca6a3 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1111,9 +1111,9 @@ static void hdmi_v13_mode_apply(struct hdmi_context *hdata) hdmi_regs_dump(hdata, "timing apply"); } - clk_disable(hdata->res.sclk_hdmi); + clk_disable_unprepare(hdata->res.sclk_hdmi); clk_set_parent(hdata->res.sclk_hdmi, hdata->res.sclk_hdmiphy); - clk_enable(hdata->res.sclk_hdmi); + clk_prepare_enable(hdata->res.sclk_hdmi); /* enable HDMI and timing generator */ hdmi_reg_writemask(hdata, HDMI_CON_0, ~0, HDMI_EN); @@ -1278,9 +1278,9 @@ static void hdmi_v14_mode_apply(struct hdmi_context *hdata) hdmi_regs_dump(hdata, "timing apply"); } - clk_disable(hdata->res.sclk_hdmi); + clk_disable_unprepare(hdata->res.sclk_hdmi); clk_set_parent(hdata->res.sclk_hdmi, hdata->res.sclk_hdmiphy); - clk_enable(hdata->res.sclk_hdmi); + clk_prepare_enable(hdata->res.sclk_hdmi); /* enable HDMI and timing generator */ hdmi_reg_writemask(hdata, HDMI_CON_0, ~0, HDMI_EN); @@ -1304,9 +1304,9 @@ static void hdmiphy_conf_reset(struct hdmi_context *hdata) u8 buffer[2]; u32 reg; - clk_disable(hdata->res.sclk_hdmi); + clk_disable_unprepare(hdata->res.sclk_hdmi); clk_set_parent(hdata->res.sclk_hdmi, hdata->res.sclk_pixel); - clk_enable(hdata->res.sclk_hdmi); + clk_prepare_enable(hdata->res.sclk_hdmi); /* operation mode */ buffer[0] = 0x1f; @@ -1683,9 +1683,9 @@ static void hdmi_poweron(struct hdmi_context *hdata) if (regulator_bulk_enable(res->regul_count, res->regul_bulk)) DRM_DEBUG_KMS("failed to enable regulator bulk\n"); - clk_enable(res->hdmiphy); - clk_enable(res->hdmi); - clk_enable(res->sclk_hdmi); + clk_prepare_enable(res->hdmiphy); + clk_prepare_enable(res->hdmi); + clk_prepare_enable(res->sclk_hdmi); hdmiphy_poweron(hdata); } @@ -1706,9 +1706,9 @@ static void hdmi_poweroff(struct hdmi_context *hdata) hdmiphy_conf_reset(hdata); hdmiphy_poweroff(hdata); - clk_disable(res->sclk_hdmi); - clk_disable(res->hdmi); - clk_disable(res->hdmiphy); + clk_disable_unprepare(res->sclk_hdmi); + clk_disable_unprepare(res->hdmi); + clk_disable_unprepare(res->hdmiphy); regulator_bulk_disable(res->regul_count, res->regul_bulk); mutex_lock(&hdata->hdmi_mutex); diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 1f4cec12e326..f36f878f1e3a 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -892,10 +892,10 @@ static void mixer_poweron(struct mixer_context *ctx) ctx->powered = true; mutex_unlock(&ctx->mixer_mutex); - clk_enable(res->mixer); + clk_prepare_enable(res->mixer); if (ctx->vp_enabled) { - clk_enable(res->vp); - clk_enable(res->sclk_mixer); + clk_prepare_enable(res->vp); + clk_prepare_enable(res->sclk_mixer); } mixer_reg_write(res, MXR_INT_EN, ctx->int_en); @@ -917,10 +917,10 @@ static void mixer_poweroff(struct mixer_context *ctx) ctx->int_en = mixer_reg_read(res, MXR_INT_EN); - clk_disable(res->mixer); + clk_disable_unprepare(res->mixer); if (ctx->vp_enabled) { - clk_disable(res->vp); - clk_disable(res->sclk_mixer); + clk_disable_unprepare(res->vp); + clk_disable_unprepare(res->sclk_mixer); } mutex_lock(&ctx->mixer_mutex); -- GitLab