[PATCH 2/2] drm/amdgpu: Init VF's HDP flush reg offset early
Alex Deucher
alexdeucher at gmail.com
Thu Aug 25 14:07:36 UTC 2022
On Thu, Aug 25, 2022 at 9:22 AM Alex Deucher <alexdeucher at gmail.com> wrote:
>
> Series is:
> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
>
Actually, hold off on that, I have a comment on patch 1.
Alex
> On Thu, Aug 25, 2022 at 4:58 AM Lijo Lazar <lijo.lazar at amd.com> wrote:
> >
> > Make sure the register offsets used for HDP flush in VF is
> > initialized early so that it works fine during any early HDP flush
> > sequence. For that, move the offset initialization to *_remap_hdp.
> >
> > Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
> > ---
> > drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
> > drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c | 23 +++++++++++++--------
> > drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c | 12 +++++++----
> > drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c | 23 +++++++++++++--------
> > drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c | 21 ++++++++++++-------
> > drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c | 24 ++++++++++++++--------
> > drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 23 +++++++++++++--------
> > 7 files changed, 84 insertions(+), 44 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> > index 53d753e94a71..c0bb2e9616c5 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> > @@ -2382,7 +2382,7 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev)
> > * to process space. This is needed for any early HDP
> > * flush operation during gmc initialization.
> > */
> > - if (adev->nbio.funcs->remap_hdp_registers && !amdgpu_sriov_vf(adev))
> > + if (adev->nbio.funcs->remap_hdp_registers)
> > adev->nbio.funcs->remap_hdp_registers(adev);
> >
> > r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev);
> > diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c
> > index b465baa26762..20fa2c5ad510 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c
> > @@ -65,10 +65,21 @@
> >
> > static void nbio_v2_3_remap_hdp_registers(struct amdgpu_device *adev)
> > {
> > - WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
> > - adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
> > - WREG32_SOC15(NBIO, 0, mmREMAP_HDP_REG_FLUSH_CNTL,
> > - adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
> > + 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;
> > +
> > + if (!amdgpu_sriov_vf(adev)) {
> > + WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
> > + adev->rmmio_remap.reg_offset +
> > + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
> > + WREG32_SOC15(NBIO, 0, mmREMAP_HDP_REG_FLUSH_CNTL,
> > + adev->rmmio_remap.reg_offset +
> > + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
> > + }
> > }
> >
> > static u32 nbio_v2_3_get_rev_id(struct amdgpu_device *adev)
> > @@ -338,10 +349,6 @@ 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_v4_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c
> > index 982a89f841d5..e011d9856794 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c
> > @@ -30,10 +30,14 @@
> >
> > static void nbio_v4_3_remap_hdp_registers(struct amdgpu_device *adev)
> > {
> > - WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
> > - adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
> > - WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
> > - adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
> > + if (!amdgpu_sriov_vf(adev)) {
> > + WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
> > + adev->rmmio_remap.reg_offset +
> > + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
> > + WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
> > + adev->rmmio_remap.reg_offset +
> > + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
> > + }
> > }
> >
> > static u32 nbio_v4_3_get_rev_id(struct amdgpu_device *adev)
> > diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
> > index f7f6ddebd3e4..7536ca3fcd69 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
> > @@ -55,10 +55,21 @@
> >
> > static void nbio_v6_1_remap_hdp_registers(struct amdgpu_device *adev)
> > {
> > - WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
> > - adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
> > - WREG32_SOC15(NBIO, 0, mmREMAP_HDP_REG_FLUSH_CNTL,
> > - adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
> > + 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;
> > +
> > + if (!amdgpu_sriov_vf(adev)) {
> > + WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
> > + adev->rmmio_remap.reg_offset +
> > + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
> > + WREG32_SOC15(NBIO, 0, mmREMAP_HDP_REG_FLUSH_CNTL,
> > + adev->rmmio_remap.reg_offset +
> > + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
> > + }
> > }
> >
> > static u32 nbio_v6_1_get_rev_id(struct amdgpu_device *adev)
> > @@ -276,10 +287,6 @@ 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 aa0326d00c72..6b4ac16a8466 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
> > @@ -35,10 +35,20 @@
> >
> > static void nbio_v7_0_remap_hdp_registers(struct amdgpu_device *adev)
> > {
> > - WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
> > - adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
> > - WREG32_SOC15(NBIO, 0, mmREMAP_HDP_REG_FLUSH_CNTL,
> > - adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
> > + if (amdgpu_sriov_vf(adev))
> > + adev->rmmio_remap.reg_offset =
> > + SOC15_REG_OFFSET(NBIO, 0,
> > + mmHDP_MEM_COHERENCY_FLUSH_CNTL)
> > + << 2;
> > +
> > + if (!amdgpu_sriov_vf(adev)) {
> > + WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
> > + adev->rmmio_remap.reg_offset +
> > + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
> > + WREG32_SOC15(NBIO, 0, mmREMAP_HDP_REG_FLUSH_CNTL,
> > + adev->rmmio_remap.reg_offset +
> > + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
> > + }
> > }
> >
> > static u32 nbio_v7_0_get_rev_id(struct amdgpu_device *adev)
> > @@ -273,9 +283,6 @@ 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 31776b12e4c4..fb4be72eade7 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c
> > @@ -49,10 +49,21 @@
> >
> > static void nbio_v7_2_remap_hdp_registers(struct amdgpu_device *adev)
> > {
> > - WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
> > - adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
> > - WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
> > - adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
> > + if (amdgpu_sriov_vf(adev))
> > + adev->rmmio_remap.reg_offset =
> > + SOC15_REG_OFFSET(
> > + NBIO, 0,
> > + regBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL)
> > + << 2;
> > +
> > + if (!amdgpu_sriov_vf(adev)) {
> > + WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
> > + adev->rmmio_remap.reg_offset +
> > + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
> > + WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
> > + adev->rmmio_remap.reg_offset +
> > + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
> > + }
> > }
> >
> > static u32 nbio_v7_2_get_rev_id(struct amdgpu_device *adev)
> > @@ -369,6 +380,7 @@ const struct nbio_hdp_flush_reg nbio_v7_2_hdp_flush_reg = {
> > static void nbio_v7_2_init_registers(struct amdgpu_device *adev)
> > {
> > uint32_t def, data;
> > +
> > switch (adev->ip_versions[NBIO_HWIP][0]) {
> > case IP_VERSION(7, 2, 1):
> > case IP_VERSION(7, 3, 0):
> > @@ -393,10 +405,6 @@ static void nbio_v7_2_init_registers(struct amdgpu_device *adev)
> > WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CONFIG_CNTL), data);
> > break;
> > }
> > -
> > - 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 11848d1e238b..3c11af99582f 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
> > @@ -101,10 +101,21 @@ static void nbio_v7_4_query_ras_error_count(struct amdgpu_device *adev,
> >
> > static void nbio_v7_4_remap_hdp_registers(struct amdgpu_device *adev)
> > {
> > - WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
> > - adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
> > - WREG32_SOC15(NBIO, 0, mmREMAP_HDP_REG_FLUSH_CNTL,
> > - adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
> > + 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;
> > +
> > + if (!amdgpu_sriov_vf(adev)) {
> > + WREG32_SOC15(NBIO, 0, mmREMAP_HDP_MEM_FLUSH_CNTL,
> > + adev->rmmio_remap.reg_offset +
> > + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
> > + WREG32_SOC15(NBIO, 0, mmREMAP_HDP_REG_FLUSH_CNTL,
> > + adev->rmmio_remap.reg_offset +
> > + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
> > + }
> > }
> >
> > static u32 nbio_v7_4_get_rev_id(struct amdgpu_device *adev)
> > @@ -343,10 +354,6 @@ static void nbio_v7_4_init_registers(struct amdgpu_device *adev)
> > {
> > uint32_t baco_cntl;
> >
> > - 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;
> > -
> > if (adev->ip_versions[NBIO_HWIP][0] == IP_VERSION(7, 4, 4) &&
> > !amdgpu_sriov_vf(adev)) {
> > baco_cntl = RREG32_SOC15(NBIO, 0, mmBACO_CNTL);
> > --
> > 2.25.1
> >
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