[PATCH 1/2] drm/amdgpu: add experimental resets debug flag

[Alex Deucher]

Add this flag to enable experimental resets for testing before they
are fully validated.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h     | 1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index e8c284aea1f25..6e6580ab7e04a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1164,6 +1164,7 @@ struct amdgpu_device {
 	bool                            debug_disable_soft_recovery;
 	bool                            debug_use_vram_fw_buf;
 	bool                            debug_enable_ras_aca;
+	bool                            debug_exp_resets;
 
 	bool				enforce_isolation[MAX_XCP];
 	/* Added this mutex for cleaner shader isolation between GFX and compute processes */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index b9529948f2b20..82bde5132dc68 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -132,6 +132,7 @@ enum AMDGPU_DEBUG_MASK {
 	AMDGPU_DEBUG_DISABLE_GPU_SOFT_RECOVERY = BIT(2),
 	AMDGPU_DEBUG_USE_VRAM_FW_BUF = BIT(3),
 	AMDGPU_DEBUG_ENABLE_RAS_ACA = BIT(4),
+	AMDGPU_DEBUG_ENABLE_EXP_RESETS = BIT(5),
 };
 
 unsigned int amdgpu_vram_limit = UINT_MAX;
@@ -2200,6 +2201,11 @@ static void amdgpu_init_debug_options(struct amdgpu_device *adev)
 		pr_info("debug: enable RAS ACA\n");
 		adev->debug_enable_ras_aca = true;
 	}
+
+	if (amdgpu_debug_mask & AMDGPU_DEBUG_ENABLE_EXP_RESETS) {
+		pr_info("debug: enable experimental reset features\n");
+		adev->debug_exp_resets = true;
+	}
 }
 
 static unsigned long amdgpu_fix_asic_type(struct pci_dev *pdev, unsigned long flags)
-- 
2.46.0