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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 944ba0d3874a..6abb238b25c9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -619,25 +619,29 @@ void amdgpu_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc)
* GPU helpers function.
*/
/**
- * amdgpu_card_posted - check if the hw has already been initialized
+ * amdgpu_need_post - check if the hw need post or not
*
* @adev: amdgpu_device pointer
*
- * Check if the asic has been initialized (all asics).
- * Used at driver startup.
- * Returns true if initialized or false if not.
+ * Check if the asic has been initialized (all asics) at driver startup
+ * or post is needed if hw reset is performed.
+ * Returns true if need or false if not.
*/
-bool amdgpu_card_posted(struct amdgpu_device *adev)
+bool amdgpu_need_post(struct amdgpu_device *adev)
{
uint32_t reg;
+ if (adev->has_hw_reset) {
+ adev->has_hw_reset = false;
+ return true;
+ }
/* then check MEM_SIZE, in case the crtcs are off */
reg = RREG32(mmCONFIG_MEMSIZE);
if (reg)
- return true;
+ return false;
- return false;
+ return true;
}
@@ -665,7 +669,7 @@ static bool amdgpu_vpost_needed(struct amdgpu_device *adev)
return true;
}
}
- return !amdgpu_card_posted(adev);
+ return amdgpu_need_post(adev);
}
/**
@@ -2071,7 +2075,7 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon)
amdgpu_atombios_scratch_regs_restore(adev);
/* post card */
- if (!amdgpu_card_posted(adev) || !resume) {
+ if (amdgpu_need_post(adev)) {
r = amdgpu_atom_asic_init(adev->mode_info.atom_context);
if (r)
DRM_ERROR("amdgpu asic init failed\n");

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