[AMD Official Use Only - Internal Distribution Only]
Reviewed-by: Harish Kasiviswanathan <harish.kasiviswanat...@amd.com>
-----Original Message-----
From: Joshi, Mukul <mukul.jo...@amd.com>
Sent: Thursday, May 6, 2021 3:47 PM
To: amd-gfx@lists.freedesktop.org
Cc: Kasiviswanathan, Harish <harish.kasiviswanat...@amd.com>; Joshi, Mukul
<mukul.jo...@amd.com>; Zeng, Oak <oak.z...@amd.com>
Subject: [PATCH] drm/amdgpu: Enable TCP channel hashing for Aldebaran
Enable TCP channel hashing to match DF hash settings for Aldebaran.
Signed-off-by: Mukul Joshi <mukul.jo...@amd.com>
Signed-off-by: Oak Zeng <oak.z...@amd.com>
Reviewed-by: Joseph Greathouse <joseph.greatho...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/df_v3_6.c | 17 +++++++++++------
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 3 ++-
.../amd/include/asic_reg/df/df_3_6_sh_mask.h | 1 +
3 files changed, 14 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c
b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c
index 0d8459d63bac..36ba229576d8 100644
--- a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c
+++ b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c
@@ -219,11 +219,11 @@ static void df_v3_6_query_hashes(struct amdgpu_device
*adev)
adev->df.hash_status.hash_2m = false;
adev->df.hash_status.hash_1g = false;
- if (adev->asic_type != CHIP_ARCTURUS)
- return;
-
- /* encoding for hash-enabled on Arcturus */
- if (adev->df.funcs->get_fb_channel_number(adev) == 0xe) {
+ /* encoding for hash-enabled on Arcturus and Aldebaran */
+ if ((adev->asic_type == CHIP_ARCTURUS &&
+ adev->df.funcs->get_fb_channel_number(adev) == 0xe) ||
+ (adev->asic_type == CHIP_ALDEBARAN &&
+ adev->df.funcs->get_fb_channel_number(adev) == 0x1e)) {
tmp = RREG32_SOC15(DF, 0, mmDF_CS_UMC_AON0_DfGlobalCtrl);
adev->df.hash_status.hash_64k = REG_GET_FIELD(tmp,
DF_CS_UMC_AON0_DfGlobalCtrl,
@@ -278,7 +278,12 @@ 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);
- tmp &= DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan_MASK;
+ if (adev->asic_type == CHIP_ALDEBARAN)
+ tmp &=
+ ALDEBARAN_DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan_MASK;
+ else
+ tmp &= DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan_MASK;
+
tmp >>= DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan__SHIFT;
return tmp;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 16a3b279a9ef..22608c45f07c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3937,7 +3937,8 @@ static void gfx_v9_0_init_tcp_config(struct amdgpu_device
*adev)
{
u32 tmp;
- if (adev->asic_type != CHIP_ARCTURUS)
+ if (adev->asic_type != CHIP_ARCTURUS &&
+ adev->asic_type != CHIP_ALDEBARAN)
return;
tmp = RREG32_SOC15(GC, 0, mmTCP_ADDR_CONFIG);
diff --git a/drivers/gpu/drm/amd/include/asic_reg/df/df_3_6_sh_mask.h
b/drivers/gpu/drm/amd/include/asic_reg/df/df_3_6_sh_mask.h
index 7afa87c7ff54..f804e13b002e 100644
--- a/drivers/gpu/drm/amd/include/asic_reg/df/df_3_6_sh_mask.h
+++ b/drivers/gpu/drm/amd/include/asic_reg/df/df_3_6_sh_mask.h
@@ -50,6 +50,7 @@
#define DF_CS_UMC_AON0_DramBaseAddress0__AddrRngVal_MASK
0x00000001L
#define DF_CS_UMC_AON0_DramBaseAddress0__LgcyMmioHoleEn_MASK
0x00000002L
#define DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan_MASK
0x0000003CL
+#define ALDEBARAN_DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan_MASK
0x0000007CL
#define DF_CS_UMC_AON0_DramBaseAddress0__IntLvAddrSel_MASK
0x00000E00L
#define DF_CS_UMC_AON0_DramBaseAddress0__DramBaseAddr_MASK
0xFFFFF000L
--
2.17.1
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