diff options
| author | Shashank Sharma <shashank.sharma@amd.com> | 2023-07-14 15:19:54 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-08-07 17:14:06 -0400 |
| commit | 54c30d2a8defeef631d0111477218fe4ceecb3da (patch) | |
| tree | 3ec899775139ea9ea1a3f9ef13bac645c4d674a0 /drivers/gpu/drm/amd/display/modules/power/power_helpers.c | |
| parent | 36f3f375ed156d177a1adbafc3247a43880a9710 (diff) | |
drm/amdgpu: create kernel doorbell pages
This patch:
- creates a doorbell page for graphics driver usages.
- adds a few new varlables in adev->doorbell structure to
keep track of kernel's doorbell-bo.
- removes the adev->doorbell.ptr variable, replaces it with
kernel-doorbell-bo's cpu address.
V2: - Create doorbell BO directly, no wrappe functions (Alex)
- no additional doorbell structure (Alex, Christian)
- Use doorbell_cpu_ptr, remove ioremap (Christian, Alex)
- Allocate one extra page of doorbells for MES (Alex)
V4: Move MES doorbell base init into MES related patch (Christian)
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian Koenig <christian.koenig@amd.com>
Reviewed-by: Christian König <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/display/modules/power/power_helpers.c')
0 files changed, 0 insertions, 0 deletions