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| author |   Lijo Lazar <lijo.lazar@amd.com> | 2025-04-11 16:45:46 +0530 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2025-04-11 17:00:56 -0400 |
| commit | 18a878fd8aef0ec21648a3782f55a79790cd4073 (patch) | |
| tree | 9df76abb838d96ba1cf9314c67da0f1b1ab9215c /drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c | |
| parent | drm/amdgpu: Set RAS EEPROM table version to v3 for umc v12_5 (diff) | |
| download | wireguard-linux-18a878fd8aef0ec21648a3782f55a79790cd4073.tar.xz wireguard-linux-18a878fd8aef0ec21648a3782f55a79790cd4073.zip | |
drm/amdgpu: Use generic hdp flush function
Except HDP v5.2 all use a common logic for HDP flush. Use a generic
function. HDP v5.2 forces NO_KIQ logic, revisit it later.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c index b6cf801939aa..7fd8f09c28e6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c @@ -22,6 +22,7 @@ */ #include "amdgpu.h" #include "amdgpu_ras.h" +#include <uapi/linux/kfd_ioctl.h> int amdgpu_hdp_ras_sw_init(struct amdgpu_device *adev) { @@ -46,3 +47,23 @@ int amdgpu_hdp_ras_sw_init(struct amdgpu_device *adev) /* hdp ras follows amdgpu_ras_block_late_init_default for late init */ return 0; } + +void amdgpu_hdp_generic_flush(struct amdgpu_device *adev, + struct amdgpu_ring *ring) +{ + if (!ring || !ring->funcs->emit_wreg) { + WREG32((adev->rmmio_remap.reg_offset + + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL) >> + 2, + 0); + RREG32((adev->rmmio_remap.reg_offset + + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL) >> + 2); + } else { + amdgpu_ring_emit_wreg(ring, + (adev->rmmio_remap.reg_offset + + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL) >> + 2, + 0); + } +}
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