}
}
-static void dce_dmcu_setup_psr(struct dmcu *dmcu,
+static bool dce_dmcu_setup_psr(struct dmcu *dmcu,
struct dc_link *link,
struct psr_context *psr_context)
{
/* notifyDMCUMsg */
REG_UPDATE(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 1);
+
+ return true;
}
static bool dce_is_dmcu_initialized(struct dmcu *dmcu)
* least a few frames. Should never hit the max retry assert below.
*/
if (wait == true) {
- for (retryCount = 0; retryCount <= 1000; retryCount++) {
- dcn10_get_dmcu_psr_state(dmcu, &psr_state);
- if (enable) {
- if (psr_state != 0)
- break;
- } else {
- if (psr_state == 0)
- break;
+ for (retryCount = 0; retryCount <= 1000; retryCount++) {
+ dcn10_get_dmcu_psr_state(dmcu, &psr_state);
+ if (enable) {
+ if (psr_state != 0)
+ break;
+ } else {
+ if (psr_state == 0)
+ break;
+ }
+ udelay(500);
}
- udelay(500);
- }
- /* assert if max retry hit */
- ASSERT(retryCount <= 1000);
+ /* assert if max retry hit */
+ if (retryCount >= 1000)
+ ASSERT(0);
}
}
-static void dcn10_dmcu_setup_psr(struct dmcu *dmcu,
+static bool dcn10_dmcu_setup_psr(struct dmcu *dmcu,
struct dc_link *link,
struct psr_context *psr_context)
{
/* If microcontroller is not running, do nothing */
if (dmcu->dmcu_state != DMCU_RUNNING)
- return;
+ return false;
link->link_enc->funcs->psr_program_dp_dphy_fast_training(link->link_enc,
psr_context->psrExitLinkTrainingRequired);
/* notifyDMCUMsg */
REG_UPDATE(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 1);
+
+ /* waitDMCUReadyForCmd */
+ REG_WAIT(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 0, 1, 10000);
+
+ return true;
}
static void dcn10_psr_wait_loop(
const char *src,
unsigned int bytes);
void (*set_psr_enable)(struct dmcu *dmcu, bool enable, bool wait);
- void (*setup_psr)(struct dmcu *dmcu,
+ bool (*setup_psr)(struct dmcu *dmcu,
struct dc_link *link,
struct psr_context *psr_context);
void (*get_psr_state)(struct dmcu *dmcu, uint32_t *psr_state);