diff options
| author | Shashank Sharma <shashank.sharma@amd.com> | 2023-07-14 16:15:01 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-08-08 00:14:06 +0300 |
| commit | 792b84fb903839a241f4dd2df92ea9851f3d2160 (patch) | |
| tree | 939749366064d134730a6e8578fbdcdd65c8f4f7 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | |
| parent | dc3499c71d3618130d9c6675e4de1e3562c17125 (diff) | |
| download | linux-792b84fb903839a241f4dd2df92ea9851f3d2160.tar.xz | |
drm/amdgpu: initialize ttm for doorbells
This patch initialzes the ttm resource manager for doorbells.
V2: Do not round up doorbell size (Alex)
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian Koenig <christian.koenig@amd.com>
Reviewed-by: Christian Koenig <christian.koenig@amd.com>
Signed-off-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 1703d216c88c..f2cd2552adbd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1938,6 +1938,13 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) DRM_INFO("amdgpu: %uM of GTT memory ready.\n", (unsigned int)(gtt_size / (1024 * 1024))); + /* Initiailize doorbell pool on PCI BAR */ + r = amdgpu_ttm_init_on_chip(adev, AMDGPU_PL_DOORBELL, adev->doorbell.size / PAGE_SIZE); + if (r) { + DRM_ERROR("Failed initializing doorbell heap.\n"); + return r; + } + /* Initialize preemptible memory pool */ r = amdgpu_preempt_mgr_init(adev); if (r) { |