Commit 12097c6d authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: add nbio 6.1 register init function 



Used for nbio registers that need to be initialized.  Currently
only used for a golden setting that got missed on some boards.

Acked-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9b7b8154

drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c

+13 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ 


#define smnCPM_CONTROL                                                                                  0x11180460

#define smnPCIE_CNTL2                                                                                   0x11180070

#define smnPCIE_CONFIG_CNTL                                                                             0x11180044



u32 nbio_v6_1_get_rev_id(struct amdgpu_device *adev)

{
@@ -256,3 +257,15 @@ void nbio_v6_1_detect_hw_virt(struct amdgpu_device *adev) 
			adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;

	}

}



void nbio_v6_1_init_registers(struct amdgpu_device *adev)

{

	uint32_t def, data;



	def = data = RREG32_PCIE(smnPCIE_CONFIG_CNTL);

	data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1);

	data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1);



	if (def != data)

		WREG32_PCIE(smnPCIE_CONFIG_CNTL, data);

}

drivers/gpu/drm/amd/amdgpu/nbio_v6_1.h

+1 −0
Original line number Diff line number Diff line
@@ -50,5 +50,6 @@ void nbio_v6_1_update_medium_grain_clock_gating(struct amdgpu_device *adev, bool 
void nbio_v6_1_update_medium_grain_light_sleep(struct amdgpu_device *adev, bool enable);

void nbio_v6_1_get_clockgating_state(struct amdgpu_device *adev, u32 *flags);

void nbio_v6_1_detect_hw_virt(struct amdgpu_device *adev);

void nbio_v6_1_init_registers(struct amdgpu_device *adev);



#endif

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