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authorIngo Molnar <mingo@kernel.org>2019-02-11 12:52:51 +0100
committerIngo Molnar <mingo@kernel.org>2019-02-11 12:52:51 +0100
commitdc14b5fe7d0a1e37e9388964614676e4166b2953 (patch)
tree4f4f3aed094446b3e5daedd8710ccd831943490f /drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
parentbae54dc4f353653bbd3e3081754adad05da1d4dd (diff)
parentd13937116f1e82bf508a6325111b322c30c85eb9 (diff)
Merge tag 'v5.0-rc6' into x86/fpu, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
index 4cd31a276dcd..186db182f924 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
@@ -93,7 +93,20 @@ static void nbio_v7_4_enable_doorbell_aperture(struct amdgpu_device *adev,
static void nbio_v7_4_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
bool enable)
{
+ u32 tmp = 0;
+ if (enable) {
+ tmp = REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_EN, 1) |
+ REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_MODE, 1) |
+ REG_SET_FIELD(tmp, DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_SIZE, 0);
+
+ WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_BASE_LOW,
+ lower_32_bits(adev->doorbell.base));
+ WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_BASE_HIGH,
+ upper_32_bits(adev->doorbell.base));
+ }
+
+ WREG32_SOC15(NBIO, 0, mmDOORBELL_SELFRING_GPA_APER_CNTL, tmp);
}
static void nbio_v7_4_ih_doorbell_range(struct amdgpu_device *adev,