[PATCH] drm/amdgpu: check GFX RAS capability before reset counters

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disallow the logical to be enabled on platforms that
don't support gfx ras at this stage, like sriov skus,
dgpu with legacy ras.etc

Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 3 +++
 drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index efd52bcf8785..dd8e68fdbd90 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -6328,6 +6328,9 @@ static void gfx_v9_0_reset_ras_error_count(struct amdgpu_device *adev)
 {
 	int i, j, k;
 
+	if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX))
+		return;
+
 	/* read back registers to clear the counters */
 	mutex_lock(&adev->grbm_idx_mutex);
 	for (i = 0; i < ARRAY_SIZE(gfx_v9_0_edc_counter_regs); i++) {
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c
index 17f1e7b69a60..cceb46faf212 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c
@@ -897,6 +897,9 @@ void gfx_v9_4_reset_ras_error_count(struct amdgpu_device *adev)
 {
 	int i, j, k;
 
+	if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__GFX))
+		return;
+
 	mutex_lock(&adev->grbm_idx_mutex);
 	for (i = 0; i < ARRAY_SIZE(gfx_v9_4_edc_counter_regs); i++) {
 		for (j = 0; j < gfx_v9_4_edc_counter_regs[i].se_num; j++) {
-- 
2.17.1

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