[AMD Official Use Only - AMD Internal Distribution Only]
Reviewed-by: Hawking Zhang
Regards,
Hawking
-Original Message-
From: Wang, Yang(Kevin)
Sent: Tuesday, May 14, 2024 16:15
To: amd-gfx@lists.freedesktop.org
Cc: Zhang, Hawking ; Zhou1, Tao
Subject: [PATCH] drm/amdgpu: add debug flag to enable RAS ACA driver.
Use debug_mask=0x10 (BIT.4) param to help enable RAS ACA driver.
(RAS ACA is disabled by default.)
Signed-off-by: Yang Wang
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c | 3 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 6 ++
3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 846c3550fbda..550a42e3961f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1171,6 +1171,7 @@ struct amdgpu_device {
booldebug_largebar;
booldebug_disable_soft_recovery;
booldebug_use_vram_fw_buf;
+ booldebug_enable_ras_aca;
};
static inline uint32_t amdgpu_ip_version(const struct amdgpu_device *adev,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
index 987a1b4d4503..0b1b9911bd99 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
@@ -686,7 +686,8 @@ static void aca_manager_fini(struct aca_handle_manager *mgr)
bool amdgpu_aca_is_enabled(struct amdgpu_device *adev) {
- return adev->aca.is_enabled;
+ return (adev->aca.is_enabled ||
+ adev->debug_enable_ras_aca);
}
int amdgpu_aca_init(struct amdgpu_device *adev) diff --git
a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index caf89d21b61c..a2de55ab3a6a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -129,6 +129,7 @@ enum AMDGPU_DEBUG_MASK {
AMDGPU_DEBUG_LARGEBAR = BIT(1),
AMDGPU_DEBUG_DISABLE_GPU_SOFT_RECOVERY = BIT(2),
AMDGPU_DEBUG_USE_VRAM_FW_BUF = BIT(3),
+ AMDGPU_DEBUG_ENABLE_RAS_ACA = BIT(4),
};
unsigned int amdgpu_vram_limit = UINT_MAX; @@ -2192,6 +2193,11 @@ static void
amdgpu_init_debug_options(struct amdgpu_device *adev)
pr_info("debug: place fw in vram for frontdoor loading\n");
adev->debug_use_vram_fw_buf = true;
}
+
+ if (amdgpu_debug_mask & AMDGPU_DEBUG_ENABLE_RAS_ACA) {
+ pr_info("debug: enable RAS ACA driver\n");
+ adev->debug_enable_ras_aca = true;
+ }
}
static unsigned long amdgpu_fix_asic_type(struct pci_dev *pdev, unsigned long
flags)
--
2.34.1
