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| author | Le Ma <[email protected]> | 2024-01-09 09:44:39 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2024-01-15 23:32:49 +0000 |
| commit | d20e1aec8862e48a352ca86969cee6f530dd41d5 (patch) | |
| tree | 455aa24bf5e0d55251d4cba4c42d474b2e224bce /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | |
| parent | Revert "drm/amdgpu: add param to specify fw bo location for front-door loading" (diff) | |
| download | kernel-d20e1aec8862e48a352ca86969cee6f530dd41d5.tar.gz kernel-d20e1aec8862e48a352ca86969cee6f530dd41d5.zip | |
drm/amdgpu: add debug flag to place fw bo on vram for frontdoor loading
Use debug_mask=0x8 param to help isolating data path issues
on new systems in early phase.
v2: rename the flag for explicitness (lijo)
Signed-off-by: Le Ma <[email protected]>
Reviewed-by: Lijo Lazar <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 880137774b4e..0776b0c5e4e4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -128,6 +128,7 @@ enum AMDGPU_DEBUG_MASK { AMDGPU_DEBUG_VM = BIT(0), AMDGPU_DEBUG_LARGEBAR = BIT(1), AMDGPU_DEBUG_DISABLE_GPU_SOFT_RECOVERY = BIT(2), + AMDGPU_DEBUG_USE_VRAM_FW_BUF = BIT(3), }; unsigned int amdgpu_vram_limit = UINT_MAX; @@ -2117,6 +2118,11 @@ static void amdgpu_init_debug_options(struct amdgpu_device *adev) pr_info("debug: soft reset for GPU recovery disabled\n"); adev->debug_disable_soft_recovery = true; } + + if (amdgpu_debug_mask & AMDGPU_DEBUG_USE_VRAM_FW_BUF) { + pr_info("debug: place fw in vram for frontdoor loading\n"); + adev->debug_use_vram_fw_buf = true; + } } static unsigned long amdgpu_fix_asic_type(struct pci_dev *pdev, unsigned long flags) |