diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_reset.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_reset.c | 60 |
1 files changed, 36 insertions, 24 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index cc6bd21a3e51..d5ed904f355d 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -26,6 +26,7 @@ #include "intel_engine_regs.h" #include "intel_gt.h" #include "intel_gt_pm.h" +#include "intel_gt_print.h" #include "intel_gt_requests.h" #include "intel_mchbar_regs.h" #include "intel_pci_config.h" @@ -161,16 +162,16 @@ static int i915_do_reset(struct intel_gt *gt, struct pci_dev *pdev = to_pci_dev(gt->i915->drm.dev); int err; - /* Assert reset for at least 20 usec, and wait for acknowledgement. */ + /* Assert reset for at least 50 usec, and wait for acknowledgement. */ pci_write_config_byte(pdev, I915_GDRST, GRDOM_RESET_ENABLE); udelay(50); - err = wait_for_atomic(i915_in_reset(pdev), 50); + err = _wait_for_atomic(i915_in_reset(pdev), 50000, 0); /* Clear the reset request. */ pci_write_config_byte(pdev, I915_GDRST, 0); udelay(50); if (!err) - err = wait_for_atomic(!i915_in_reset(pdev), 50); + err = _wait_for_atomic(!i915_in_reset(pdev), 50000, 0); return err; } @@ -190,7 +191,7 @@ static int g33_do_reset(struct intel_gt *gt, struct pci_dev *pdev = to_pci_dev(gt->i915->drm.dev); pci_write_config_byte(pdev, I915_GDRST, GRDOM_RESET_ENABLE); - return wait_for_atomic(g4x_reset_complete(pdev), 50); + return _wait_for_atomic(g4x_reset_complete(pdev), 50000, 0); } static int g4x_do_reset(struct intel_gt *gt, @@ -207,7 +208,7 @@ static int g4x_do_reset(struct intel_gt *gt, pci_write_config_byte(pdev, I915_GDRST, GRDOM_MEDIA | GRDOM_RESET_ENABLE); - ret = wait_for_atomic(g4x_reset_complete(pdev), 50); + ret = _wait_for_atomic(g4x_reset_complete(pdev), 50000, 0); if (ret) { GT_TRACE(gt, "Wait for media reset failed\n"); goto out; @@ -215,7 +216,7 @@ static int g4x_do_reset(struct intel_gt *gt, pci_write_config_byte(pdev, I915_GDRST, GRDOM_RENDER | GRDOM_RESET_ENABLE); - ret = wait_for_atomic(g4x_reset_complete(pdev), 50); + ret = _wait_for_atomic(g4x_reset_complete(pdev), 50000, 0); if (ret) { GT_TRACE(gt, "Wait for render reset failed\n"); goto out; @@ -592,10 +593,10 @@ static int gen8_engine_reset_prepare(struct intel_engine_cs *engine) ret = __intel_wait_for_register_fw(uncore, reg, mask, ack, 700, 0, NULL); if (ret) - drm_err(&engine->i915->drm, - "%s reset request timed out: {request: %08x, RESET_CTL: %08x}\n", - engine->name, request, - intel_uncore_read_fw(uncore, reg)); + gt_err(engine->gt, + "%s reset request timed out: {request: %08x, RESET_CTL: %08x}\n", + engine->name, request, + intel_uncore_read_fw(uncore, reg)); return ret; } @@ -705,7 +706,7 @@ static int __reset_guc(struct intel_gt *gt) static bool needs_wa_14015076503(struct intel_gt *gt, intel_engine_mask_t engine_mask) { - if (!IS_METEORLAKE(gt->i915) || !HAS_ENGINE(gt, GSC0)) + if (MEDIA_VER_FULL(gt->i915) != IP_VER(13, 0) || !HAS_ENGINE(gt, GSC0)) return false; if (!__HAS_ENGINE(engine_mask, GSC0)) @@ -785,9 +786,7 @@ int __intel_gt_reset(struct intel_gt *gt, intel_engine_mask_t engine_mask) reset_mask = wa_14015076503_start(gt, engine_mask, !retry); GT_TRACE(gt, "engine_mask=%x\n", reset_mask); - preempt_disable(); ret = reset(gt, reset_mask, retry); - preempt_enable(); wa_14015076503_end(gt, reset_mask); } @@ -1201,17 +1200,16 @@ void intel_gt_reset(struct intel_gt *gt, goto unlock; if (reason) - drm_notice(>->i915->drm, - "Resetting chip for %s\n", reason); + gt_notice(gt, "Resetting chip for %s\n", reason); atomic_inc(>->i915->gpu_error.reset_count); awake = reset_prepare(gt); if (!intel_has_gpu_reset(gt)) { if (gt->i915->params.reset) - drm_err(>->i915->drm, "GPU reset not supported\n"); + gt_err(gt, "GPU reset not supported\n"); else - drm_dbg(>->i915->drm, "GPU reset disabled\n"); + gt_dbg(gt, "GPU reset disabled\n"); goto error; } @@ -1219,7 +1217,7 @@ void intel_gt_reset(struct intel_gt *gt, intel_runtime_pm_disable_interrupts(gt->i915); if (do_reset(gt, stalled_mask)) { - drm_err(>->i915->drm, "Failed to reset chip\n"); + gt_err(gt, "Failed to reset chip\n"); goto taint; } @@ -1238,9 +1236,7 @@ void intel_gt_reset(struct intel_gt *gt, */ ret = intel_gt_init_hw(gt); if (ret) { - drm_err(>->i915->drm, - "Failed to initialise HW following reset (%d)\n", - ret); + gt_err(gt, "Failed to initialise HW following reset (%d)\n", ret); goto taint; } @@ -1607,9 +1603,7 @@ static void intel_wedge_me(struct work_struct *work) { struct intel_wedge_me *w = container_of(work, typeof(*w), work.work); - drm_err(&w->gt->i915->drm, - "%s timed out, cancelling all in-flight rendering.\n", - w->name); + gt_err(w->gt, "%s timed out, cancelling all in-flight rendering.\n", w->name); intel_gt_set_wedged(w->gt); } @@ -1632,6 +1626,24 @@ void __intel_fini_wedge(struct intel_wedge_me *w) w->gt = NULL; } +/* + * Wa_22011802037 requires that we (or the GuC) ensure that no command + * streamers are executing MI_FORCE_WAKE while an engine reset is initiated. + */ +bool intel_engine_reset_needs_wa_22011802037(struct intel_gt *gt) +{ + if (GRAPHICS_VER(gt->i915) < 11) + return false; + + if (IS_GFX_GT_IP_STEP(gt, IP_VER(12, 70), STEP_A0, STEP_B0)) + return true; + + if (GRAPHICS_VER_FULL(gt->i915) >= IP_VER(12, 70)) + return false; + + return true; +} + #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) #include "selftest_reset.c" #include "selftest_hangcheck.c" |