diff options
| author | Maxime Ripard <maxime@cerno.tech> | 2022-09-14 12:22:18 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2022-09-14 12:22:18 +0100 |
| commit | a108772d03d8bdb43258218b00bfe43bbe1e8800 (patch) | |
| tree | 11b1f413ab384f2b5de0773f01b6886e2c601f8b /drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | |
| parent | 75cebd664d57a78af3e46c14bd2659df0a08847b (diff) | |
| parent | 213cb76ddc8b875e772f9f4d173feefa122716af (diff) | |
Merge drm/drm-next into drm-misc-next
We need 6.0-rc1 to merge the backlight rework PR.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c | 98 |
1 files changed, 31 insertions, 67 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c index ec9c4ca0f615..fdd895f73f9f 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.c @@ -137,17 +137,6 @@ static int guc_action_slpc_set_param(struct intel_guc *guc, u8 id, u32 value) return ret > 0 ? -EPROTO : ret; } -static int guc_action_slpc_unset_param(struct intel_guc *guc, u8 id) -{ - u32 request[] = { - GUC_ACTION_HOST2GUC_PC_SLPC_REQUEST, - SLPC_EVENT(SLPC_EVENT_PARAMETER_UNSET, 1), - id, - }; - - return intel_guc_send(guc, request, ARRAY_SIZE(request)); -} - static bool slpc_is_running(struct intel_guc_slpc *slpc) { return slpc_get_state(slpc) == SLPC_GLOBAL_STATE_RUNNING; @@ -201,16 +190,6 @@ static int slpc_set_param(struct intel_guc_slpc *slpc, u8 id, u32 value) return ret; } -static int slpc_unset_param(struct intel_guc_slpc *slpc, - u8 id) -{ - struct intel_guc *guc = slpc_to_guc(slpc); - - GEM_BUG_ON(id >= SLPC_MAX_PARAM); - - return guc_action_slpc_unset_param(guc, id); -} - static int slpc_force_min_freq(struct intel_guc_slpc *slpc, u32 freq) { struct drm_i915_private *i915 = slpc_to_i915(slpc); @@ -488,23 +467,33 @@ int intel_guc_slpc_set_min_freq(struct intel_guc_slpc *slpc, u32 val) /* Need a lock now since waitboost can be modifying min as well */ mutex_lock(&slpc->lock); - - with_intel_runtime_pm(&i915->runtime_pm, wakeref) { - - ret = slpc_set_param(slpc, - SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ, - val); - - /* Return standardized err code for sysfs calls */ - if (ret) - ret = -EIO; + wakeref = intel_runtime_pm_get(&i915->runtime_pm); + + /* Ignore efficient freq if lower min freq is requested */ + ret = slpc_set_param(slpc, + SLPC_PARAM_IGNORE_EFFICIENT_FREQUENCY, + val < slpc->rp1_freq); + if (ret) { + i915_probe_error(i915, "Failed to toggle efficient freq (%pe)\n", + ERR_PTR(ret)); + goto out; } + ret = slpc_set_param(slpc, + SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ, + val); + if (!ret) slpc->min_freq_softlimit = val; +out: + intel_runtime_pm_put(&i915->runtime_pm, wakeref); mutex_unlock(&slpc->lock); + /* Return standardized err code for sysfs calls */ + if (ret) + ret = -EIO; + return ret; } @@ -575,45 +564,28 @@ static int slpc_set_softlimits(struct intel_guc_slpc *slpc) * unless they have deviated from defaults, in which case, * we retain the values and set min/max accordingly. */ - if (!slpc->max_freq_softlimit) + if (!slpc->max_freq_softlimit) { slpc->max_freq_softlimit = slpc->rp0_freq; - else if (slpc->max_freq_softlimit != slpc->rp0_freq) + slpc_to_gt(slpc)->defaults.max_freq = slpc->max_freq_softlimit; + } else if (slpc->max_freq_softlimit != slpc->rp0_freq) { ret = intel_guc_slpc_set_max_freq(slpc, slpc->max_freq_softlimit); + } if (unlikely(ret)) return ret; - if (!slpc->min_freq_softlimit) - slpc->min_freq_softlimit = slpc->min_freq; - else if (slpc->min_freq_softlimit != slpc->min_freq) + if (!slpc->min_freq_softlimit) { + ret = intel_guc_slpc_get_min_freq(slpc, &slpc->min_freq_softlimit); + if (unlikely(ret)) + return ret; + slpc_to_gt(slpc)->defaults.min_freq = slpc->min_freq_softlimit; + } else if (slpc->min_freq_softlimit != slpc->min_freq) { return intel_guc_slpc_set_min_freq(slpc, slpc->min_freq_softlimit); - - return 0; -} - -static int slpc_ignore_eff_freq(struct intel_guc_slpc *slpc, bool ignore) -{ - int ret = 0; - - if (ignore) { - ret = slpc_set_param(slpc, - SLPC_PARAM_IGNORE_EFFICIENT_FREQUENCY, - ignore); - if (!ret) - return slpc_set_param(slpc, - SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ, - slpc->min_freq); - } else { - ret = slpc_unset_param(slpc, - SLPC_PARAM_IGNORE_EFFICIENT_FREQUENCY); - if (!ret) - return slpc_unset_param(slpc, - SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ); } - return ret; + return 0; } static int slpc_use_fused_rp0(struct intel_guc_slpc *slpc) @@ -675,14 +647,6 @@ int intel_guc_slpc_enable(struct intel_guc_slpc *slpc) slpc_get_rp_values(slpc); - /* Ignore efficient freq and set min to platform min */ - ret = slpc_ignore_eff_freq(slpc, true); - if (unlikely(ret)) { - i915_probe_error(i915, "Failed to set SLPC min to RPn (%pe)\n", - ERR_PTR(ret)); - return ret; - } - /* Set SLPC max limit to RP0 */ ret = slpc_use_fused_rp0(slpc); if (unlikely(ret)) { |