diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/hdmi4.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/hdmi4.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4.c b/drivers/gpu/drm/omapdrm/dss/hdmi4.c index 91c2a1e8b324..fd1b252c6e6d 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4.c @@ -124,9 +124,12 @@ static int hdmi_power_on_core(struct omap_dss_device *dssdev) { int r; + if (hdmi.core.core_pwr_cnt++) + return 0; + r = regulator_enable(hdmi.vdda_reg); if (r) - return r; + goto err_reg_enable; r = hdmi_runtime_get(); if (r) @@ -143,12 +146,17 @@ static int hdmi_power_on_core(struct omap_dss_device *dssdev) err_runtime_get: regulator_disable(hdmi.vdda_reg); +err_reg_enable: + hdmi.core.core_pwr_cnt--; return r; } static void hdmi_power_off_core(struct omap_dss_device *dssdev) { + if (--hdmi.core.core_pwr_cnt) + return; + hdmi.core_enabled = false; hdmi_runtime_put(); |