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authorDave Airlie <airlied@redhat.com>2020-08-11 06:08:44 +0300
committerDave Airlie <airlied@redhat.com>2020-08-11 06:08:45 +0300
commit16e6eea29d7bc62ae23a4918e971415d21078d6e (patch)
tree5e8f4aff1eefcd0a8347c9f4e73aebbe767b66f3 /drivers/gpu/drm/amd/amdgpu/nv.c
parent15f9d8b8cf668f24c59322020d267500c48d7383 (diff)
parentf87812284172a9809820d10143b573d833cd3f75 (diff)
downloadlinux-16e6eea29d7bc62ae23a4918e971415d21078d6e.tar.xz
Merge tag 'amd-drm-fixes-5.9-2020-08-07' of git://people.freedesktop.org/~agd5f/linux into drm-next
amd-drm-fixes-5.9-2020-08-07: amdgpu: - Re-add spelling typo fix - Sienna Cichlid fixes - Navy Flounder fixes - DC fixes - SMU i2c fix - Power fixes Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200807222843.3909-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nv.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/nv.c56
1 files changed, 53 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index ea69ae76773e..da8024c2826e 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -97,6 +97,49 @@ static void nv_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
}
+static u64 nv_pcie_rreg64(struct amdgpu_device *adev, u32 reg)
+{
+ unsigned long flags, address, data;
+ u64 r;
+ address = adev->nbio.funcs->get_pcie_index_offset(adev);
+ data = adev->nbio.funcs->get_pcie_data_offset(adev);
+
+ spin_lock_irqsave(&adev->pcie_idx_lock, flags);
+ /* read low 32 bit */
+ WREG32(address, reg);
+ (void)RREG32(address);
+ r = RREG32(data);
+
+ /* read high 32 bit*/
+ WREG32(address, reg + 4);
+ (void)RREG32(address);
+ r |= ((u64)RREG32(data) << 32);
+ spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
+ return r;
+}
+
+static void nv_pcie_wreg64(struct amdgpu_device *adev, u32 reg, u64 v)
+{
+ unsigned long flags, address, data;
+
+ address = adev->nbio.funcs->get_pcie_index_offset(adev);
+ data = adev->nbio.funcs->get_pcie_data_offset(adev);
+
+ spin_lock_irqsave(&adev->pcie_idx_lock, flags);
+ /* write low 32 bit */
+ WREG32(address, reg);
+ (void)RREG32(address);
+ WREG32(data, (u32)(v & 0xffffffffULL));
+ (void)RREG32(data);
+
+ /* write high 32 bit */
+ WREG32(address, reg + 4);
+ (void)RREG32(address);
+ WREG32(data, (u32)(v >> 32));
+ (void)RREG32(data);
+ spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
+}
+
static u32 nv_didt_rreg(struct amdgpu_device *adev, u32 reg)
{
unsigned long flags, address, data;
@@ -319,10 +362,15 @@ nv_asic_reset_method(struct amdgpu_device *adev)
dev_warn(adev->dev, "Specified reset method:%d isn't supported, using AUTO instead.\n",
amdgpu_reset_method);
- if (smu_baco_is_support(smu))
- return AMD_RESET_METHOD_BACO;
- else
+ switch (adev->asic_type) {
+ case CHIP_SIENNA_CICHLID:
return AMD_RESET_METHOD_MODE1;
+ default:
+ if (smu_baco_is_support(smu))
+ return AMD_RESET_METHOD_BACO;
+ else
+ return AMD_RESET_METHOD_MODE1;
+ }
}
static int nv_asic_reset(struct amdgpu_device *adev)
@@ -673,6 +721,8 @@ static int nv_common_early_init(void *handle)
adev->smc_wreg = NULL;
adev->pcie_rreg = &nv_pcie_rreg;
adev->pcie_wreg = &nv_pcie_wreg;
+ adev->pcie_rreg64 = &nv_pcie_rreg64;
+ adev->pcie_wreg64 = &nv_pcie_wreg64;
/* TODO: will add them during VCN v2 implementation */
adev->uvd_ctx_rreg = NULL;