Merge tag 'amd-drm-next-5.14-2021-05-19' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-next-5.14-2021-05-19:

amdgpu:
- Aldebaran updates
- More LTTPR display work
- Vangogh updates
- SDMA 5.x GCR fixes
- RAS fixes
- PCIe ASPM support
- Modifier fixes
- Enable TMZ on Renoir
- Buffer object code cleanup
- Display overlay fixes
- Initial support for multiple eDP panels
- Initial SR-IOV support for Aldebaran
- DP link training refactor
- Misc code cleanups and bug fixes
- SMU regression fixes for variable sized arrays
- MAINTAINERS fixes for amdgpu

amdkfd:
- Initial SR-IOV support for Aldebaran
- Topology fixes
- Initial HMM SVM support
- Misc code cleanups and bug fixes

radeon:
- Misc code cleanups and bug fixes
- SMU regression fixes for variable sized arrays
- Flickering fix for Oland with multiple 4K displays

UAPI:
- amdgpu: Drop AMDGPU_GEM_CREATE_SHADOW flag.
  This was always a kernel internal flag and userspace use of it has always been blocked.
  It's no longer needed so remove it.
- amdkgd: HMM SVM support
  Overview: https://patchwork.freedesktop.org/series/85562/
  Porposed userspace: https://github.com/RadeonOpenCompute/ROCT-Thunk-Interface/tree/fxkamd/hmm-wip

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210520031258.231896-1-alexander.deucher@amd.com

1 files changed, 28 insertions, 3 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c b/drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c
index edbd35d293eb..74b90cc2bf48 100644
--- a/drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c
@@ -59,12 +59,31 @@ static void hdp_v4_0_invalidate_hdp(struct amdgpu_device *adev,
 			HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1);
 }
 
+static void hdp_v4_0_query_ras_error_count(struct amdgpu_device *adev,
+					   void *ras_error_status)
+{
+	struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
+
+	err_data->ue_count = 0;
+	err_data->ce_count = 0;
+
+	if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__HDP))
+		return;
+
+	/* HDP SRAM errors are uncorrectable ones (i.e. fatal errors) */
+	err_data->ue_count += RREG32_SOC15(HDP, 0, mmHDP_EDC_CNT);
+};
+
 static void hdp_v4_0_reset_ras_error_count(struct amdgpu_device *adev)
 {
 	if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__HDP))
 		return;
-	/*read back hdp ras counter to reset it to 0 */
-	RREG32_SOC15(HDP, 0, mmHDP_EDC_CNT);
+
+	if (adev->asic_type >= CHIP_ALDEBARAN)
+		WREG32_SOC15(HDP, 0, mmHDP_EDC_CNT, 0);
+	else
+		/*read back hdp ras counter to reset it to 0 */
+		RREG32_SOC15(HDP, 0, mmHDP_EDC_CNT);
 }
 
 static void hdp_v4_0_update_clock_gating(struct amdgpu_device *adev,
@@ -130,10 +149,16 @@ static void hdp_v4_0_init_registers(struct amdgpu_device *adev)
 	WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE_HI, (adev->gmc.vram_start >> 40));
 }
 
+const struct amdgpu_hdp_ras_funcs hdp_v4_0_ras_funcs = {
+	.ras_late_init = amdgpu_hdp_ras_late_init,
+	.ras_fini = amdgpu_hdp_ras_fini,
+	.query_ras_error_count = hdp_v4_0_query_ras_error_count,
+	.reset_ras_error_count = hdp_v4_0_reset_ras_error_count,
+};
+
 const struct amdgpu_hdp_funcs hdp_v4_0_funcs = {
 	.flush_hdp = hdp_v4_0_flush_hdp,
 	.invalidate_hdp = hdp_v4_0_invalidate_hdp,
-	.reset_ras_error_count = hdp_v4_0_reset_ras_error_count,
 	.update_clock_gating = hdp_v4_0_update_clock_gating,
 	.get_clock_gating_state = hdp_v4_0_get_clockgating_state,
 	.init_registers = hdp_v4_0_init_registers,