Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu: add set_reg_remap callback for NBIO 7.9
This will be used to consolidate the register remap offset
configuration and fix HDP flushes on systems non-4K pages.
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+18
+18
drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
+18
drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
···
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return (nak_r + nak_g);
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}
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+
#define MMIO_REG_HOLE_OFFSET 0x1A000
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+
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static void nbio_v7_9_set_reg_remap(struct amdgpu_device *adev)
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{
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if (!amdgpu_sriov_vf(adev) && (PAGE_SIZE <= 4096)) {
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adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
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adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
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} else {
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adev->rmmio_remap.reg_offset =
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SOC15_REG_OFFSET(
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NBIO, 0,
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regBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL)
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<< 2;
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adev->rmmio_remap.bus_addr = 0;
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}
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}
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+
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const struct amdgpu_nbio_funcs nbio_v7_9_funcs = {
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.get_hdp_flush_req_offset = nbio_v7_9_get_hdp_flush_req_offset,
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.get_hdp_flush_done_offset = nbio_v7_9_get_hdp_flush_done_offset,
···
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.get_memory_partition_mode = nbio_v7_9_get_memory_partition_mode,
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.init_registers = nbio_v7_9_init_registers,
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.get_pcie_replay_count = nbio_v7_9_get_pcie_replay_count,
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+
.set_reg_remap = nbio_v7_9_set_reg_remap,
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};
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static void nbio_v7_9_query_ras_error_count(struct amdgpu_device *adev,