diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2025-04-11 16:45:46 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-05-08 11:21:37 -0400 |
| commit | afc6053d4c4b0a6be500b9e643aa17221e93a57b (patch) | |
| tree | 0b763c8e404ac7cccce8432519c18f1a3b8c52ec /drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c | |
| parent | dbc064adfcf9095e7d895bea87b2f75c1ab23236 (diff) | |
Reapply: 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.
Reapply after fixing up an HDP regression.
v2: merge the fix (Alex)
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com> (v1)
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 | 20 |
1 files changed, 20 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..6e02fb9ac2f6 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 +47,22 @@ 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); + if (adev->nbio.funcs->get_memsize) + adev->nbio.funcs->get_memsize(adev); + } else { + amdgpu_ring_emit_wreg(ring, + (adev->rmmio_remap.reg_offset + + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL) >> + 2, + 0); + } +} |