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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amdgpu: add HDP remap functionality to nbio 7.7
Was missing before and would have resulted in a write to
a non-existant register. Normally APUs don't use HDP, but
other asics could use this code and APUs do use the HDP
when used in passthrough.
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+9
+9
drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c
+9
drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c
···
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#include "nbio/nbio_7_7_0_sh_mask.h"
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#include <uapi/linux/kfd_ioctl.h>
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static void nbio_v7_7_remap_hdp_registers(struct amdgpu_device *adev)
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{
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WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
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adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
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WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
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adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
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}
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+
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static u32 nbio_v7_7_get_rev_id(struct amdgpu_device *adev)
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{
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u32 tmp;
···
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.get_clockgating_state = nbio_v7_7_get_clockgating_state,
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.ih_control = nbio_v7_7_ih_control,
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.init_registers = nbio_v7_7_init_registers,
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.remap_hdp_registers = nbio_v7_7_remap_hdp_registers,
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};