Commit b989531b authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher
Browse files

drm/amdgpu: change Raven always on CUs to 4 



For Vega10 and Vega20, the always on CUs are 12.
For Raven, it's 4.

Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 989b6823

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

+6 −2
Original line number Diff line number Diff line
@@ -985,8 +985,10 @@ static void gfx_v9_0_init_lbpw(struct amdgpu_device *adev) 
	data |= 0x00C00000;

	WREG32_SOC15(GC, 0, mmRLC_GPM_GENERAL_7, data);



	/* set RLC_LB_ALWAYS_ACTIVE_CU_MASK = 0xFFF */

	WREG32_SOC15(GC, 0, mmRLC_LB_ALWAYS_ACTIVE_CU_MASK, 0xFFF);

	/*

	 * RLC_LB_ALWAYS_ACTIVE_CU_MASK = 0xF (4 CUs AON for Raven),

	 * programmed in gfx_v9_0_init_always_on_cu_mask()

	 */



	/* set RLC_LB_CNTL = 0x8000_0095, 31 bit is reserved,

	 * but used for RLC_LB_CNTL configuration */
@@ -995,6 +997,8 @@ static void gfx_v9_0_init_lbpw(struct amdgpu_device *adev) 
	data |= REG_SET_FIELD(data, RLC_LB_CNTL, RESERVED, 0x80000);

	WREG32_SOC15(GC, 0, mmRLC_LB_CNTL, data);

	mutex_unlock(&adev->grbm_idx_mutex);



	gfx_v9_0_init_always_on_cu_mask(adev);

}



static void gfx_v9_4_init_lbpw(struct amdgpu_device *adev)

CRA Git | Maintained and supported by SUSTech CRA and CCSE