From: Felix Kuehling <[email protected]>

[ Upstream commit d3a21f7e353dc8d6939383578f3bd45b4ae3a946 ]

Disable HDP register remapping on SRIOV and set rmmio_remap.reg_offset
to the fixed address of the VF register for hdp_v*_flush_hdp.

Signed-off-by: Felix Kuehling <[email protected]>
Tested-by: Bokun Zhang <[email protected]>
Reviewed-by: Lijo Lazar <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c | 4 ++++
 drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c | 4 ++++
 drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c | 4 +++-
 drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c | 4 ++++
 drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 4 +++-
 drivers/gpu/drm/amd/amdgpu/nv.c        | 8 +++++---
 drivers/gpu/drm/amd/amdgpu/soc15.c     | 8 +++++---
 7 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c 
b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c
index b184b656b9b6b..a76b5e47e7cbe 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c
@@ -328,6 +328,10 @@ static void nbio_v2_3_init_registers(struct amdgpu_device 
*adev)
 
        if (def != data)
                WREG32_PCIE(smnPCIE_CONFIG_CNTL, data);
+
+       if (amdgpu_sriov_vf(adev))
+               adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0,
+                       mmBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 
2;
 }
 
 #define NAVI10_PCIE__LC_L0S_INACTIVITY_DEFAULT         0x00000000 // off by 
default, no gains over L1
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c 
b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
index 0d2d629e2d6a2..4bbacf1be25a4 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
@@ -276,6 +276,10 @@ static void nbio_v6_1_init_registers(struct amdgpu_device 
*adev)
 
        if (def != data)
                WREG32_PCIE(smnPCIE_CI_CNTL, data);
+
+       if (amdgpu_sriov_vf(adev))
+               adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0,
+                       mmBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 
2;
 }
 
 static void nbio_v6_1_program_ltr(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c 
b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
index 3c00666a13e16..37a4039fdfc53 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
@@ -273,7 +273,9 @@ const struct nbio_hdp_flush_reg nbio_v7_0_hdp_flush_reg = {
 
 static void nbio_v7_0_init_registers(struct amdgpu_device *adev)
 {
-
+       if (amdgpu_sriov_vf(adev))
+               adev->rmmio_remap.reg_offset =
+                       SOC15_REG_OFFSET(NBIO, 0, 
mmHDP_MEM_COHERENCY_FLUSH_CNTL) << 2;
 }
 
 const struct amdgpu_nbio_funcs nbio_v7_0_funcs = {
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c 
b/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c
index 8f2a315e7c73c..3444332ea1104 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c
@@ -371,6 +371,10 @@ static void nbio_v7_2_init_registers(struct amdgpu_device 
*adev)
                if (def != data)
                        WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, 
regPCIE_CONFIG_CNTL), data);
        }
+
+       if (amdgpu_sriov_vf(adev))
+               adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0,
+                       regBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 2;
 }
 
 const struct amdgpu_nbio_funcs nbio_v7_2_funcs = {
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c 
b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
index f50045cebd44c..9b3f64971a321 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
@@ -344,7 +344,9 @@ const struct nbio_hdp_flush_reg nbio_v7_4_hdp_flush_reg = {
 
 static void nbio_v7_4_init_registers(struct amdgpu_device *adev)
 {
-
+       if (amdgpu_sriov_vf(adev))
+               adev->rmmio_remap.reg_offset = SOC15_REG_OFFSET(NBIO, 0,
+                       mmBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL) << 
2;
 }
 
 static void nbio_v7_4_handle_ras_controller_intr_no_bifring(struct 
amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 01efda4398e56..b739166b242a7 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -1034,8 +1034,10 @@ static int nv_common_early_init(void *handle)
 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-       adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
-       adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
+       if (!amdgpu_sriov_vf(adev)) {
+               adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
+               adev->rmmio_remap.bus_addr = adev->rmmio_base + 
MMIO_REG_HOLE_OFFSET;
+       }
        adev->smc_rreg = NULL;
        adev->smc_wreg = NULL;
        adev->pcie_rreg = &nv_pcie_rreg;
@@ -1333,7 +1335,7 @@ static int nv_common_hw_init(void *handle)
         * for the purpose of expose those registers
         * to process space
         */
-       if (adev->nbio.funcs->remap_hdp_registers)
+       if (adev->nbio.funcs->remap_hdp_registers && !amdgpu_sriov_vf(adev))
                adev->nbio.funcs->remap_hdp_registers(adev);
        /* enable the doorbell aperture */
        nv_enable_doorbell_aperture(adev, true);
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c 
b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 0fc97c364fd76..a3361cd68411a 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -1136,8 +1136,10 @@ static int soc15_common_early_init(void *handle)
 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-       adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
-       adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
+       if (!amdgpu_sriov_vf(adev)) {
+               adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
+               adev->rmmio_remap.bus_addr = adev->rmmio_base + 
MMIO_REG_HOLE_OFFSET;
+       }
        adev->smc_rreg = NULL;
        adev->smc_wreg = NULL;
        adev->pcie_rreg = &soc15_pcie_rreg;
@@ -1446,7 +1448,7 @@ static int soc15_common_hw_init(void *handle)
         * for the purpose of expose those registers
         * to process space
         */
-       if (adev->nbio.funcs->remap_hdp_registers)
+       if (adev->nbio.funcs->remap_hdp_registers && !amdgpu_sriov_vf(adev))
                adev->nbio.funcs->remap_hdp_registers(adev);
 
        /* enable the doorbell aperture */
-- 
2.33.0

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