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| author | Yong Zhao <Yong.Zhao@amd.com> | 2019-09-28 05:30:05 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-03 16:11:05 +0200 |
| commit | 923c087a1f1e51fd6534ad1e4c1650216423679e (patch) | |
| tree | e1fa2994dd1cb8cb77074b30c51661c29029eb88 | |
| parent | drm/amdkfd: Use array to probe kfd2kgd_calls (diff) | |
| download | linux-923c087a1f1e51fd6534ad1e4c1650216423679e.tar.xz linux-923c087a1f1e51fd6534ad1e4c1650216423679e.zip | |
drm/amdgpu: Add the HDP flush support for Navi
The HDP flush support code was missing in the nbio and nv files.
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nv.c | 9 |
2 files changed, 22 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c index e7e36fb6113d..f3a3fe746222 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c @@ -27,11 +27,21 @@ #include "nbio/nbio_2_3_default.h" #include "nbio/nbio_2_3_offset.h" #include "nbio/nbio_2_3_sh_mask.h" +#include <uapi/linux/kfd_ioctl.h> #define smnPCIE_CONFIG_CNTL 0x11180044 #define smnCPM_CONTROL 0x11180460 #define smnPCIE_CNTL2 0x11180070 + +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); +} + static u32 nbio_v2_3_get_rev_id(struct amdgpu_device *adev) { u32 tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0); @@ -56,10 +66,9 @@ static void nbio_v2_3_hdp_flush(struct amdgpu_device *adev, struct amdgpu_ring *ring) { if (!ring || !ring->funcs->emit_wreg) - WREG32_SOC15_NO_KIQ(NBIO, 0, mmBIF_BX_PF_HDP_MEM_COHERENCY_FLUSH_CNTL, 0); + WREG32_NO_KIQ((adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL) >> 2, 0); else - amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET( - NBIO, 0, mmBIF_BX_PF_HDP_MEM_COHERENCY_FLUSH_CNTL), 0); + amdgpu_ring_emit_wreg(ring, (adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL) >> 2, 0); } static u32 nbio_v2_3_get_memsize(struct amdgpu_device *adev) @@ -330,4 +339,5 @@ const struct amdgpu_nbio_funcs nbio_v2_3_funcs = { .ih_control = nbio_v2_3_ih_control, .init_registers = nbio_v2_3_init_registers, .detect_hw_virt = nbio_v2_3_detect_hw_virt, + .remap_hdp_registers = nbio_v2_3_remap_hdp_registers, }; diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index b3e7756fcc4b..6699a45b88ec 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -587,8 +587,11 @@ static const struct amdgpu_asic_funcs nv_asic_funcs = 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; adev->smc_rreg = NULL; adev->smc_wreg = NULL; adev->pcie_rreg = &nv_pcie_rreg; @@ -714,6 +717,12 @@ static int nv_common_hw_init(void *handle) nv_program_aspm(adev); /* setup nbio registers */ adev->nbio.funcs->init_registers(adev); + /* remap HDP registers to a hole in mmio space, + * for the purpose of expose those registers + * to process space + */ + if (adev->nbio.funcs->remap_hdp_registers) + adev->nbio.funcs->remap_hdp_registers(adev); /* enable the doorbell aperture */ nv_enable_doorbell_aperture(adev, true); |