From bee7f8d09268dc80da0e841ca99d79f500d03b84 Mon Sep 17 00:00:00 2001 From: Tao Zhou Date: Mon, 24 Jan 2022 16:41:40 +0800 Subject: drm/amdgpu: get hash bit for CH4 in umc channel index On ALDEBARAN, the umc channel bits are not original values, they are hashed. Signed-off-by: Tao Zhou Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/umc_v6_7.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/umc_v6_7.c') diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c b/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c index 1ecba7b5df1c..47452b61b615 100644 --- a/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c +++ b/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c @@ -148,6 +148,10 @@ static void umc_v6_7_ecc_info_query_error_address(struct amdgpu_device *adev, soc_pa = ADDR_OF_8KB_BLOCK(err_addr) | ADDR_OF_256B_BLOCK(channel_index) | OFFSET_IN_256B_BLOCK(err_addr); + + /* The umc channel bits are not original values, they are hashed */ + SET_CHANNEL_HASH(channel_index, soc_pa); + /* clear [C4 C3 C2] in soc physical address */ soc_pa &= ~(0x7ULL << UMC_V6_7_PA_C2_BIT); @@ -379,6 +383,10 @@ static void umc_v6_7_query_error_address(struct amdgpu_device *adev, soc_pa = ADDR_OF_8KB_BLOCK(err_addr) | ADDR_OF_256B_BLOCK(channel_index) | OFFSET_IN_256B_BLOCK(err_addr); + + /* The umc channel bits are not original values, they are hashed */ + SET_CHANNEL_HASH(channel_index, soc_pa); + /* clear [C4 C3 C2] in soc physical address */ soc_pa &= ~(0x7ULL << UMC_V6_7_PA_C2_BIT); -- cgit v1.2.3