diff options
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 10 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 7 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 73 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/include/logger_types.h | 1 |
4 files changed, 86 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index e7dc128f6284..5c8b0183959c 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -4874,11 +4874,15 @@ bool dc_set_replay_allow_active(struct dc *dc, bool active) return true; } -void dc_allow_idle_optimizations(struct dc *dc, bool allow) +void dc_allow_idle_optimizations_internal(struct dc *dc, bool allow, char const *caller_name) { if (dc->debug.disable_idle_power_optimizations) return; + if (allow != dc->idle_optimizations_allowed) + DC_LOG_IPS("%s: allow_idle old=%d new=%d (caller=%s)\n", __func__, + dc->idle_optimizations_allowed, allow, caller_name); + if (dc->caps.ips_support && (dc->config.disable_ips == DMUB_IPS_DISABLE_ALL)) return; @@ -4893,10 +4897,10 @@ void dc_allow_idle_optimizations(struct dc *dc, bool allow) dc->idle_optimizations_allowed = allow; } -void dc_exit_ips_for_hw_access(struct dc *dc) +void dc_exit_ips_for_hw_access_internal(struct dc *dc, const char *caller_name) { if (dc->caps.ips_support) - dc_allow_idle_optimizations(dc, false); + dc_allow_idle_optimizations_internal(dc, false, caller_name); } bool dc_dmub_is_ips_idle_state(struct dc *dc) diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index c1d8288a08b3..c9485a7744d7 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -2339,8 +2339,11 @@ void dc_get_clock(struct dc *dc, enum dc_clock_type clock_type, struct dc_clock_ bool dc_is_plane_eligible_for_idle_optimizations(struct dc *dc, struct dc_plane_state *plane, struct dc_cursor_attributes *cursor_attr); -void dc_allow_idle_optimizations(struct dc *dc, bool allow); -void dc_exit_ips_for_hw_access(struct dc *dc); +#define dc_allow_idle_optimizations(dc, allow) dc_allow_idle_optimizations_internal(dc, allow, __func__) +#define dc_exit_ips_for_hw_access(dc) dc_exit_ips_for_hw_access_internal(dc, __func__) + +void dc_allow_idle_optimizations_internal(struct dc *dc, bool allow, const char *caller_name); +void dc_exit_ips_for_hw_access_internal(struct dc *dc, const char *caller_name); bool dc_dmub_is_ips_idle_state(struct dc *dc); /* set min and max memory clock to lowest and highest DPM level, respectively */ diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c index 6083b1dcf050..b168dfc79381 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -910,6 +910,8 @@ void dc_dmub_srv_log_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv) return; } + DC_LOG_ERROR("%s: DMCUB error - collecting diagnostic data\n", __func__); + if (!dc_dmub_srv_get_diagnostic_data(dc_dmub_srv, &diag_data)) { DC_LOG_ERROR("%s: dc_dmub_srv_get_diagnostic_data failed.", __func__); return; @@ -1201,6 +1203,7 @@ bool dc_dmub_srv_is_hw_pwr_up(struct dc_dmub_srv *dc_dmub_srv, bool wait) static void dc_dmub_srv_notify_idle(const struct dc *dc, bool allow_idle) { + volatile const struct dmub_shared_state_ips_fw *ips_fw; struct dc_dmub_srv *dc_dmub_srv; union dmub_rb_cmd cmd = {0}; @@ -1211,6 +1214,7 @@ static void dc_dmub_srv_notify_idle(const struct dc *dc, bool allow_idle) return; dc_dmub_srv = dc->ctx->dmub_srv; + ips_fw = &dc_dmub_srv->dmub->shared_state[DMUB_SHARED_SHARE_FEATURE__IPS_FW].data.ips_fw; memset(&cmd, 0, sizeof(cmd)); cmd.idle_opt_notify_idle.header.type = DMUB_CMD__IDLE_OPT; @@ -1226,6 +1230,12 @@ static void dc_dmub_srv_notify_idle(const struct dc *dc, bool allow_idle) &dc_dmub_srv->dmub->shared_state[DMUB_SHARED_SHARE_FEATURE__IPS_DRIVER].data.ips_driver; union dmub_shared_state_ips_driver_signals new_signals; + DC_LOG_IPS( + "%s wait idle (ips1_commit=%d ips2_commit=%d)", + __func__, + ips_fw->signals.bits.ips1_commit, + ips_fw->signals.bits.ips2_commit); + dc_dmub_srv_wait_idle(dc->ctx->dmub_srv); memset(&new_signals, 0, sizeof(new_signals)); @@ -1250,6 +1260,13 @@ static void dc_dmub_srv_notify_idle(const struct dc *dc, bool allow_idle) ips_driver->signals = new_signals; } + DC_LOG_IPS( + "%s send allow_idle=%d (ips1_commit=%d ips2_commit=%d)", + __func__, + allow_idle, + ips_fw->signals.bits.ips1_commit, + ips_fw->signals.bits.ips2_commit); + /* NOTE: This does not use the "wake" interface since this is part of the wake path. */ /* We also do not perform a wait since DMCUB could enter idle after the notification. */ dm_execute_dmub_cmd(dc->ctx, &cmd, allow_idle ? DM_DMUB_WAIT_TYPE_NO_WAIT : DM_DMUB_WAIT_TYPE_WAIT); @@ -1276,38 +1293,92 @@ static void dc_dmub_srv_exit_low_power_state(const struct dc *dc) ips_driver->signals.all = 0; + DC_LOG_IPS( + "%s check (allow_ips1=%d allow_ips2=%d) (ips1_commit=%d ips2_commit=%d)", + __func__, + ips_driver->signals.bits.allow_ips1, + ips_driver->signals.bits.allow_ips2, + ips_fw->signals.bits.ips1_commit, + ips_fw->signals.bits.ips2_commit); + if (prev_driver_signals.bits.allow_ips2) { + DC_LOG_IPS( + "wait IPS2 eval (ips1_commit=%d ips2_commit=%d)", + ips_fw->signals.bits.ips1_commit, + ips_fw->signals.bits.ips2_commit); + udelay(dc->debug.ips2_eval_delay_us); if (ips_fw->signals.bits.ips2_commit) { + DC_LOG_IPS( + "exit IPS2 #1 (ips1_commit=%d ips2_commit=%d)", + ips_fw->signals.bits.ips1_commit, + ips_fw->signals.bits.ips2_commit); + // Tell PMFW to exit low power state dc->clk_mgr->funcs->exit_low_power_state(dc->clk_mgr); + DC_LOG_IPS( + "wait IPS2 entry delay (ips1_commit=%d ips2_commit=%d)", + ips_fw->signals.bits.ips1_commit, + ips_fw->signals.bits.ips2_commit); + // Wait for IPS2 entry upper bound udelay(dc->debug.ips2_entry_delay_us); + DC_LOG_IPS( + "exit IPS2 #2 (ips1_commit=%d ips2_commit=%d)", + ips_fw->signals.bits.ips1_commit, + ips_fw->signals.bits.ips2_commit); + dc->clk_mgr->funcs->exit_low_power_state(dc->clk_mgr); + DC_LOG_IPS( + "wait IPS2 commit clear (ips1_commit=%d ips2_commit=%d)", + ips_fw->signals.bits.ips1_commit, + ips_fw->signals.bits.ips2_commit); + while (ips_fw->signals.bits.ips2_commit) udelay(1); + DC_LOG_IPS( + "wait hw_pwr_up (ips1_commit=%d ips2_commit=%d)", + ips_fw->signals.bits.ips1_commit, + ips_fw->signals.bits.ips2_commit); + if (!dc_dmub_srv_is_hw_pwr_up(dc->ctx->dmub_srv, true)) ASSERT(0); + DC_LOG_IPS( + "resync inbox1 (ips1_commit=%d ips2_commit=%d)", + ips_fw->signals.bits.ips1_commit, + ips_fw->signals.bits.ips2_commit); + dmub_srv_sync_inbox1(dc->ctx->dmub_srv->dmub); } } dc_dmub_srv_notify_idle(dc, false); if (prev_driver_signals.bits.allow_ips1) { + DC_LOG_IPS( + "wait for IPS1 commit clear (ips1_commit=%d ips2_commit=%d)", + ips_fw->signals.bits.ips1_commit, + ips_fw->signals.bits.ips2_commit); + while (ips_fw->signals.bits.ips1_commit) udelay(1); + DC_LOG_IPS( + "wait for IPS1 commit clear done (ips1_commit=%d ips2_commit=%d)", + ips_fw->signals.bits.ips1_commit, + ips_fw->signals.bits.ips2_commit); } } if (!dc_dmub_srv_is_hw_pwr_up(dc->ctx->dmub_srv, true)) ASSERT(0); + + DC_LOG_IPS("%s exited", __func__); } void dc_dmub_srv_set_power_state(struct dc_dmub_srv *dc_dmub_srv, enum dc_acpi_cm_power_state powerState) @@ -1335,6 +1406,8 @@ void dc_dmub_srv_apply_idle_power_optimizations(const struct dc *dc, bool allow_ if (dc_dmub_srv->idle_allowed == allow_idle) return; + DC_LOG_IPS("%s state change: old=%d new=%d", __func__, dc_dmub_srv->idle_allowed, allow_idle); + /* * Entering a low power state requires a driver notification. * Powering up the hardware requires notifying PMFW and DMCUB. diff --git a/drivers/gpu/drm/amd/display/include/logger_types.h b/drivers/gpu/drm/amd/display/include/logger_types.h index f39e2785e618..83479951732a 100644 --- a/drivers/gpu/drm/amd/display/include/logger_types.h +++ b/drivers/gpu/drm/amd/display/include/logger_types.h @@ -64,6 +64,7 @@ #define DC_LOG_DWB(...) drm_dbg((DC_LOGGER)->dev, __VA_ARGS__) #define DC_LOG_DP2(...) drm_dbg_dp((DC_LOGGER)->dev, __VA_ARGS__) #define DC_LOG_AUTO_DPM_TEST(...) pr_debug("[AutoDPMTest]: "__VA_ARGS__) +#define DC_LOG_IPS(...) pr_debug("[IPS]: "__VA_ARGS__) struct dc_log_buffer_ctx { char *buf; |