[PATCH v4 9/9] HAX: drm/i915/guc: enable GuC submission/logging for CI

[Sagar Arun Kamble]

Also 1) revert ("drm/i915/guc: Assert that we switch between
known ggtt->invalidate functions")
2) fix RPM resume interrupt enabling w.r.t GuC resume
3) disable guc log streaming DRM logs
---
 drivers/gpu/drm/i915/i915_drv.c      | 4 ++--
 drivers/gpu/drm/i915/i915_gem_gtt.c  | 8 ++------
 drivers/gpu/drm/i915/i915_params.h   | 4 ++--
 drivers/gpu/drm/i915/intel_guc_log.c | 4 ++--
 4 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 6c8da9d..c8460c5 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -2659,6 +2659,8 @@ static int intel_runtime_resume(struct device *kdev)
 	if (intel_uncore_unclaimed_mmio(dev_priv))
 		DRM_DEBUG_DRIVER("Unclaimed access during suspend, bios?\n");
 
+	intel_runtime_pm_enable_interrupts(dev_priv);
+
 	intel_guc_resume(dev_priv);
 
 	if (IS_GEN9_LP(dev_priv)) {
@@ -2682,8 +2684,6 @@ static int intel_runtime_resume(struct device *kdev)
 	i915_gem_init_swizzling(dev_priv);
 	i915_gem_restore_fences(dev_priv);
 
-	intel_runtime_pm_enable_interrupts(dev_priv);
-
 	/*
 	 * On VLV/CHV display interrupts are part of the display
 	 * power well, so hpd is reinitialized from there. For
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index f2a0f55..979709b 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -3550,8 +3550,6 @@ int i915_ggtt_enable_hw(struct drm_i915_private *dev_priv)
 
 void i915_ggtt_enable_guc(struct drm_i915_private *i915)
 {
-	GEM_BUG_ON(i915->ggtt.invalidate != gen6_ggtt_invalidate);
-
 	i915->ggtt.invalidate = guc_ggtt_invalidate;
 
 	i915_ggtt_invalidate(i915);
@@ -3559,10 +3557,8 @@ void i915_ggtt_enable_guc(struct drm_i915_private *i915)
 
 void i915_ggtt_disable_guc(struct drm_i915_private *i915)
 {
-	/* We should only be called after i915_ggtt_enable_guc() */
-	GEM_BUG_ON(i915->ggtt.invalidate != guc_ggtt_invalidate);
-
-	i915->ggtt.invalidate = gen6_ggtt_invalidate;
+	if (i915->ggtt.invalidate == guc_ggtt_invalidate)
+		i915->ggtt.invalidate = gen6_ggtt_invalidate;
 
 	i915_ggtt_invalidate(i915);
 }
diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
index c963603..25b7e88 100644
--- a/drivers/gpu/drm/i915/i915_params.h
+++ b/drivers/gpu/drm/i915/i915_params.h
@@ -47,8 +47,8 @@
 	param(int, disable_power_well, -1) \
 	param(int, enable_ips, 1) \
 	param(int, invert_brightness, 0) \
-	param(int, enable_guc, 0) \
-	param(int, guc_log_level, -1) \
+	param(int, enable_guc, -1) \
+	param(int, guc_log_level, 1) \
 	param(char *, guc_firmware_path, NULL) \
 	param(char *, huc_firmware_path, NULL) \
 	param(int, mmio_debug, 0) \
diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c
index 7f5fa28..9d5020f 100644
--- a/drivers/gpu/drm/i915/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/intel_guc_log.c
@@ -225,7 +225,7 @@ static bool guc_check_log_buf_overflow(struct intel_guc *guc,
 			/* buffer_full_cnt is a 4 bit counter */
 			guc->log.total_overflow_count[type] += 16;
 		}
-		DRM_ERROR_RATELIMITED("GuC log buffer overflow\n");
+		//DRM_ERROR_RATELIMITED("GuC log buffer overflow\n");
 	}
 
 	return overflow;
@@ -338,7 +338,7 @@ static void guc_read_update_log_buffer(struct intel_guc *guc)
 		/* Used rate limited to avoid deluge of messages, logs might be
 		 * getting consumed by User at a slow rate.
 		 */
-		DRM_ERROR_RATELIMITED("no sub-buffer to capture logs\n");
+		//DRM_ERROR_RATELIMITED("no sub-buffer to capture logs\n");
 		guc->log.capture_miss_count++;
 	}
 }
-- 
1.9.1