---
v2:
Take care of IP resume cases (Alex Deucher)
Add NULL check to nbio.funcs to cover older (GFXv8) ASICs (Felix
Kuehling)
Add more details in commit message and associate with AER patch
(Bjorn
Helgaas)
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 24 ++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/nv.c | 6 ------
drivers/gpu/drm/amd/amdgpu/soc15.c | 6 ------
drivers/gpu/drm/amd/amdgpu/soc21.c | 6 ------
4 files changed, 24 insertions(+), 18 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index ce7d117efdb5..e420118769a5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2334,6 +2334,26 @@ static int amdgpu_device_init_schedulers(struct
amdgpu_device *adev)
return 0;
}
+/**
+ * amdgpu_device_prepare_ip - prepare IPs for hardware initialization
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Any common hardware initialization sequence that needs to be done before
+ * hw init of individual IPs is performed here. This is different from the
+ * 'common block' which initializes a set of IPs.
+ */
+static void amdgpu_device_prepare_ip(struct amdgpu_device *adev)
+{
+ /* Remap HDP registers to a hole in mmio space, for the purpose
+ * of exposing those registers to process space. This needs to be
+ * done before hw init of ip blocks to take care of HDP flush
+ * operations through registers during hw_init.
+ */
+ if (adev->nbio.funcs && adev->nbio.funcs->remap_hdp_registers &&
+ !amdgpu_sriov_vf(adev))
+ adev->nbio.funcs->remap_hdp_registers(adev);
+}
/**
* amdgpu_device_ip_init - run init for hardware IPs
@@ -2376,6 +2396,8 @@ static int amdgpu_device_ip_init(struct amdgpu_device
*adev)
DRM_ERROR("amdgpu_vram_scratch_init failed
%d\n", r);
goto init_failed;
}
+
+ amdgpu_device_prepare_ip(adev);
r =
adev->ip_blocks[i].version->funcs->hw_init((void *)adev);
if (r) {
DRM_ERROR("hw_init %d failed %d\n", i, r);
@@ -3058,6 +3080,7 @@ static int amdgpu_device_ip_reinit_early_sriov(struct
amdgpu_device *adev)
AMD_IP_BLOCK_TYPE_IH,
};
+ amdgpu_device_prepare_ip(adev);
for (i = 0; i < adev->num_ip_blocks; i++) {
int j;
struct amdgpu_ip_block *block;
@@ -3139,6 +3162,7 @@ static int amdgpu_device_ip_resume_phase1(struct
amdgpu_device *adev)
{
int i, r;
+ amdgpu_device_prepare_ip(adev);
for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid ||
adev->ip_blocks[i].status.hw)
continue;
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index b3fba8dea63c..3ac7fef74277 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -1032,12 +1032,6 @@ static int nv_common_hw_init(void *handle)
nv_program_aspm(adev);
/* setup nbio registers */
adev->nbio.funcs->init_registers(adev);
- /* remap HDP registers to a hole in mmio space,
- * for the purpose of expose those registers
- * to process space
- */
- if (adev->nbio.funcs->remap_hdp_registers && !amdgpu_sriov_vf(adev))
- adev->nbio.funcs->remap_hdp_registers(adev);
/* enable the doorbell aperture */
nv_enable_doorbell_aperture(adev, true);
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c
b/drivers/gpu/drm/amd/amdgpu/soc15.c
index fde6154f2009..a0481e37d7cf 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -1240,12 +1240,6 @@ static int soc15_common_hw_init(void *handle)
soc15_program_aspm(adev);
/* setup nbio registers */
adev->nbio.funcs->init_registers(adev);
- /* remap HDP registers to a hole in mmio space,
- * for the purpose of expose those registers
- * to process space
- */
- if (adev->nbio.funcs->remap_hdp_registers && !amdgpu_sriov_vf(adev))
- adev->nbio.funcs->remap_hdp_registers(adev);
/* enable the doorbell aperture */
soc15_enable_doorbell_aperture(adev, true);
diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c
b/drivers/gpu/drm/amd/amdgpu/soc21.c
index 55284b24f113..16b447055102 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc21.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc21.c
@@ -660,12 +660,6 @@ static int soc21_common_hw_init(void *handle)
soc21_program_aspm(adev);
/* setup nbio registers */
adev->nbio.funcs->init_registers(adev);
- /* remap HDP registers to a hole in mmio space,
- * for the purpose of expose those registers
- * to process space
- */
- if (adev->nbio.funcs->remap_hdp_registers)
- adev->nbio.funcs->remap_hdp_registers(adev);
/* enable the doorbell aperture */
soc21_enable_doorbell_aperture(adev, true);
--
2.25.1
