The upstream Device Tree for GXBB/GXL/G12A was updated with VPU domain shared between the VPU and HDMI node, causing a double enable.
Simply store the enable state and avoid enabling twice, fixing HDMI output on all platforms.
Signed-off-by: Neil Armstrong neil.armstrong@linaro.org --- drivers/power/domain/meson-ee-pwrc.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/power/domain/meson-ee-pwrc.c b/drivers/power/domain/meson-ee-pwrc.c index 20e9f32b381..4d9f3bba644 100644 --- a/drivers/power/domain/meson-ee-pwrc.c +++ b/drivers/power/domain/meson-ee-pwrc.c @@ -60,6 +60,7 @@ struct meson_ee_pwrc_domain_desc { unsigned int mem_pd_count; struct meson_ee_pwrc_mem_domain *mem_pd; bool (*get_power)(struct power_domain *power_domain); + bool enabled; };
struct meson_ee_pwrc_domain_data { @@ -306,6 +307,8 @@ static int meson_ee_pwrc_off(struct power_domain *power_domain) clk_disable_bulk(&priv->clks); }
+ pwrc_domain->enabled = false; + return 0; }
@@ -317,6 +320,9 @@ static int meson_ee_pwrc_on(struct power_domain *power_domain)
pwrc_domain = &priv->data->domains[power_domain->id];
+ if (pwrc_domain->enabled) + return 0; + if (pwrc_domain->top_pd) regmap_update_bits(priv->regmap_ao, pwrc_domain->top_pd->sleep_reg, @@ -347,8 +353,13 @@ static int meson_ee_pwrc_on(struct power_domain *power_domain) return ret; }
- if (pwrc_domain->clk_names_count) - return clk_enable_bulk(&priv->clks); + if (pwrc_domain->clk_names_count) { + ret = clk_enable_bulk(&priv->clks); + if (ret) + return ret; + } + + pwrc_domain->enabled = true;
return 0; }