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drm/amd: Add a helper to tell whether an IP block HW is enabled

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There is already a helper for telling if a block is valid, but if
IP handling wants to check if it's HW is enabled no such helper
exists.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mario Limonciello
2025-10-14 14:30:35 -05:00
committed by Alex Deucher
parent bd07b3f08a
commit 152dca4ea7
2 changed files with 24 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@@ -372,6 +372,8 @@ void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
u64 *flags);
int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
enum amd_ip_block_type block_type);
bool amdgpu_device_ip_is_hw(struct amdgpu_device *adev,
enum amd_ip_block_type block_type);
bool amdgpu_device_ip_is_valid(struct amdgpu_device *adev,
enum amd_ip_block_type block_type);
int amdgpu_ip_block_suspend(struct amdgpu_ip_block *ip_block);

23
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@@ -2387,7 +2387,7 @@ int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
}
/**
* amdgpu_device_ip_is_valid - is the hardware IP enabled
* amdgpu_device_ip_is_hw - is the hardware IP enabled
*
* @adev: amdgpu_device pointer
* @block_type: Type of hardware IP (SMU, GFX, UVD, etc.)
@@ -2395,6 +2395,27 @@ int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
* Check if the hardware IP is enable or not.
* Returns true if it the IP is enable, false if not.
*/
bool amdgpu_device_ip_is_hw(struct amdgpu_device *adev,
enum amd_ip_block_type block_type)
{
int i;
for (i = 0; i < adev->num_ip_blocks; i++) {
if (adev->ip_blocks[i].version->type == block_type)
return adev->ip_blocks[i].status.hw;
}
return false;
}
/**
* amdgpu_device_ip_is_valid - is the hardware IP valid
*
* @adev: amdgpu_device pointer
* @block_type: Type of hardware IP (SMU, GFX, UVD, etc.)
*
* Check if the hardware IP is valid or not.
* Returns true if it the IP is valid, false if not.
*/
bool amdgpu_device_ip_is_valid(struct amdgpu_device *adev,
enum amd_ip_block_type block_type)
{