From 1f6256590c118475d7c32839cf07178d1ae97f0c Mon Sep 17 00:00:00 2001 From: Mukul Joshi Date: Tue, 18 May 2021 10:58:09 -0400 Subject: drm/amdgpu: Query correct register for DF hashing on Aldebaran For Aldebaran, driver needs to query DramMegaBaseAddress to check if DF hashing is enabled. Signed-off-by: Mukul Joshi Acked-by: Alex Deucher Reviewed-by: Harish Kasiviswanathan Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/df_v3_6.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/df_v3_6.c') diff --git a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c index 36ba229576d8..14514a145c17 100644 --- a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c +++ b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c @@ -277,13 +277,14 @@ static u32 df_v3_6_get_fb_channel_number(struct amdgpu_device *adev) { u32 tmp; - tmp = RREG32_SOC15(DF, 0, mmDF_CS_UMC_AON0_DramBaseAddress0); - if (adev->asic_type == CHIP_ALDEBARAN) + if (adev->asic_type == CHIP_ALDEBARAN) { + tmp = RREG32_SOC15(DF, 0, mmDF_GCM_AON0_DramMegaBaseAddress0); tmp &= ALDEBARAN_DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan_MASK; - else + } else { + tmp = RREG32_SOC15(DF, 0, mmDF_CS_UMC_AON0_DramBaseAddress0); tmp &= DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan_MASK; - + } tmp >>= DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan__SHIFT; return tmp; -- cgit v1.2.3