diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_aux.c | 55 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_aux.h | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c | 38 |
3 files changed, 50 insertions, 47 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c index b28e2120767e..3f5b2e6f7553 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c @@ -28,12 +28,12 @@ #include "dce/dce_11_0_sh_mask.h" #define CTX \ - aux110->base.base.ctx + aux110->base.ctx #define REG(reg_name)\ (aux110->regs->reg_name) #define DC_LOGGER \ - engine->base.ctx->logger + engine->ctx->logger #include "reg_helper.h" @@ -51,9 +51,9 @@ enum { AUX_DEFER_RETRY_COUNTER = 6 }; static void release_engine( - struct engine *engine) + struct aux_engine *engine) { - struct aux_engine_dce110 *aux110 = FROM_ENGINE(engine); + struct aux_engine_dce110 *aux110 = FROM_AUX_ENGINE(engine); dal_ddc_close(engine->ddc); @@ -827,22 +827,21 @@ static bool end_of_transaction_command( /* according Syed, it does not need now DoDummyMOT */ } -bool submit_request( - struct engine *engine, +static bool submit_request( + struct aux_engine *engine, struct i2caux_transaction_request *request, bool middle_of_transaction) { - struct aux_engine *aux_engine = FROM_AUX_ENGINE_ENGINE(engine); bool result; bool mot_used = true; switch (request->operation) { case I2CAUX_TRANSACTION_READ: - result = read_command(aux_engine, request, mot_used); + result = read_command(engine, request, mot_used); break; case I2CAUX_TRANSACTION_WRITE: - result = write_command(aux_engine, request, mot_used); + result = write_command(engine, request, mot_used); break; default: result = false; @@ -854,45 +853,45 @@ bool submit_request( */ if (!middle_of_transaction || !result) - end_of_transaction_command(aux_engine, request); + end_of_transaction_command(engine, request); /* mask AUX interrupt */ return result; } enum i2caux_engine_type get_engine_type( - const struct engine *engine) + const struct aux_engine *engine) { return I2CAUX_ENGINE_TYPE_AUX; } -static struct aux_engine *acquire( - struct engine *engine, +static bool acquire( + struct aux_engine *engine, struct ddc *ddc) { - struct aux_engine *aux_engine = FROM_AUX_ENGINE_ENGINE(engine); + enum gpio_result result; - if (aux_engine->funcs->is_engine_available) { + if (engine->funcs->is_engine_available) { /*check whether SW could use the engine*/ - if (!aux_engine->funcs->is_engine_available(aux_engine)) - return NULL; + if (!engine->funcs->is_engine_available(engine)) + return false; } result = dal_ddc_open(ddc, GPIO_MODE_HARDWARE, GPIO_DDC_CONFIG_TYPE_MODE_AUX); if (result != GPIO_RESULT_OK) - return NULL; + return false; - if (!aux_engine->funcs->acquire_engine(aux_engine)) { + if (!engine->funcs->acquire_engine(engine)) { dal_ddc_close(ddc); - return NULL; + return false; } engine->ddc = ddc; - return aux_engine; + return true; } static const struct aux_engine_funcs aux_engine_funcs = { @@ -902,9 +901,6 @@ static const struct aux_engine_funcs aux_engine_funcs = { .read_channel_reply = read_channel_reply, .get_channel_status = get_channel_status, .is_engine_available = is_engine_available, -}; - -static const struct engine_funcs engine_funcs = { .release_engine = release_engine, .destroy_engine = dce110_engine_destroy, .submit_request = submit_request, @@ -912,10 +908,10 @@ static const struct engine_funcs engine_funcs = { .acquire = acquire, }; -void dce110_engine_destroy(struct engine **engine) +void dce110_engine_destroy(struct aux_engine **engine) { - struct aux_engine_dce110 *engine110 = FROM_ENGINE(*engine); + struct aux_engine_dce110 *engine110 = FROM_AUX_ENGINE(*engine); kfree(engine110); *engine = NULL; @@ -927,13 +923,12 @@ struct aux_engine *dce110_aux_engine_construct(struct aux_engine_dce110 *aux_eng uint32_t timeout_period, const struct dce110_aux_registers *regs) { - aux_engine110->base.base.ddc = NULL; - aux_engine110->base.base.ctx = ctx; + aux_engine110->base.ddc = NULL; + aux_engine110->base.ctx = ctx; aux_engine110->base.delay = 0; aux_engine110->base.max_defer_write_retry = 0; - aux_engine110->base.base.funcs = &engine_funcs; aux_engine110->base.funcs = &aux_engine_funcs; - aux_engine110->base.base.inst = inst; + aux_engine110->base.inst = inst; aux_engine110->timeout_period = timeout_period; aux_engine110->regs = regs; diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.h b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.h index c6b2aec2e367..f7caab85dc80 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.h +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.h @@ -103,9 +103,9 @@ struct aux_engine *dce110_aux_engine_construct( uint32_t timeout_period, const struct dce110_aux_registers *regs); -void dce110_engine_destroy(struct engine **engine); +void dce110_engine_destroy(struct aux_engine **engine); bool dce110_aux_engine_acquire( - struct engine *aux_engine, + struct aux_engine *aux_engine, struct ddc *ddc); #endif diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c index 062a46543887..ca7989e4932b 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c @@ -150,7 +150,7 @@ static void dce_dmcu_set_psr_enable(struct dmcu *dmcu, bool enable, bool wait) } } -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) { @@ -261,6 +261,8 @@ static void dce_dmcu_setup_psr(struct dmcu *dmcu, /* notifyDMCUMsg */ REG_UPDATE(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 1); + + return true; } static bool dce_is_dmcu_initialized(struct dmcu *dmcu) @@ -545,24 +547,25 @@ static void dcn10_dmcu_set_psr_enable(struct dmcu *dmcu, bool enable, bool wait) * 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) { @@ -577,7 +580,7 @@ static void dcn10_dmcu_setup_psr(struct dmcu *dmcu, /* 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); @@ -677,6 +680,11 @@ static void dcn10_dmcu_setup_psr(struct dmcu *dmcu, /* 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( |