void dss_clk_enable(enum dss_clock clks)
{
dss_clk_enable_no_ctx(clks);
if (cpu_is_omap34xx() && dss_need_ctx_restore())
restore_all_ctx();
else if (cpu_is_omap44xx() && dss_need_ctx_restore())
restore_all_ctx();
}
void dss_clk_enable(enum dss_clock clks)
{
bool check_ctx = core.num_clks_enabled == 0;
dss_clk_enable_no_ctx(clks);
if (check_ctx && cpu_is_omap34xx() && dss_need_ctx_restore())
restore_all_ctx();
}
void dss_clk_enable(enum dss_clock clks)
{
dss_clk_enable_no_ctx(clks);
if (cpu_is_omap34xx()) {
unsigned num_clks = count_clk_bits(clks);
if (dss.num_clks_enabled == num_clks)
restore_all_ctx();
}
}
void dss_clk_enable(enum dss_clock clks)
{
bool restore = false;
if (core.num_clks_enabled == 0)
restore = true;
dss_clk_enable_no_ctx(clks);
if (restore || (cpu_is_omap34xx() && dss_need_ctx_restore()))
restore_all_ctx();
}
/*
* enables mainclk (DSS clocks on OMAP4 if any device is enabled.
* Returns 0 on success.
*/
int dss_mainclk_state_enable(void)
{
int r;
struct bus_type *bus = dss_get_bus();
r = bus_for_each_dev(bus, NULL, NULL, dss_check_state_disabled);
if (r) {
r = dss_mainclk_enable();
if (!r)
restore_all_ctx();
return r;
} else {
/* All devices are disabled/suspended */
return -EAGAIN;
}
}
/*
* enables mainclk (DSS clocks on OMAP4 if any device is enabled.
* Returns 0 on success.
*/
int dss_clken_restore_ctx(void)
{
int r;
struct bus_type *bus = dss_get_bus();
DSSDBG("%s enter\n", __func__);
r = bus_for_each_dev(bus, NULL, NULL, dss_check_state_disabled);
if (r) {
r = dsi_runtime_get();
if ((!r) && (atomic_cmpxchg(&context_state,
DSS_CONTEXT_NOT_RESTORED, DSS_CONTEXT_RESTORED) ==
DSS_CONTEXT_NOT_RESTORED)) {
restore_all_ctx();
}
return r;
} else {
/* All devices are disabled/suspended */
return -EAGAIN;
}
}