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authorShashank Sharma <shashank.sharma@amd.com>2023-07-14 15:05:44 +0200
committerAlex Deucher <alexander.deucher@amd.com>2023-07-18 11:12:08 -0400
commit43c064db65e2bb5c577121353175c4060c88ccae (patch)
treebd2e4b74634753a599126ad8dfbc8728031fb6e8 /drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
parentb2225568cc7bbffc6fa4c65cdd83e2de2eacb84b (diff)
drm/amdgpu: create a new file for doorbell manager
This patch: - creates a new file for doorbell management. - moves doorbell code from amdgpu_device.c to this file. V2: - remove doc from function declaration (Christian) - remove 'device' from function names to make it consistent (Alex) - add SPDX license identifier (Luben) V3: - change license to MIT license(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/amdgpu/amdgpu_doorbell.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
index f637574644c0..5ce29426ef11 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
@@ -346,6 +346,12 @@ void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index);
void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v);
+/*
+ * GPU doorbell aperture helpers function.
+ */
+int amdgpu_doorbell_init(struct amdgpu_device *adev);
+void amdgpu_doorbell_fini(struct amdgpu_device *adev);
+
#define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
#define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
#define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index))