xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amdgpu: add HDP asic callbacks for VI

Browse Source 
Needed to flush and invalidate the HDP block using the CPU.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Samuel Li <Samuel.Li@amd.com>
This commit is contained in:
Alex Deucher
2017-09-06 18:06:24 -04:00
parent 13854c60d7
commit dd8d07f2fb
1 changed files with 14 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/gpu/drm/amd/amdgpu/vi.c
View File

@@ -856,6 +856,18 @@ static uint32_t vi_get_rev_id(struct amdgpu_device *adev)
>> PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID__SHIFT;
}
static void vi_flush_hdp(struct amdgpu_device *adev)
{
WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);
RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL);
}
static void vi_invalidate_hdp(struct amdgpu_device *adev)
{
WREG32(mmHDP_DEBUG0, 1);
RREG32(mmHDP_DEBUG0);
}
static const struct amdgpu_asic_funcs vi_asic_funcs =
{
.read_disabled_bios = &vi_read_disabled_bios,
@@ -867,6 +879,8 @@ static const struct amdgpu_asic_funcs vi_asic_funcs =
.set_uvd_clocks = &vi_set_uvd_clocks,
.set_vce_clocks = &vi_set_vce_clocks,
.get_config_memsize = &vi_get_config_memsize,
.flush_hdp = &vi_flush_hdp,
.invalidate_hdp = &vi_invalidate_hdp,
};
#define CZ_REV_BRISTOL(rev) \