drm/amdgpu: fix wrong vram lost counter increment V2

Vram lost counter is wrongly increased by two during baco reset.

V2: assumed vram lost for mode1 reset on all ASICs

Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f51a32f..9db9ab4 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2079,8 +2079,24 @@ static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev)
  */
 static bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev)
 {
-       return !!memcmp(adev->gart.ptr, adev->reset_magic,
-                       AMDGPU_RESET_MAGIC_NUM);
+       if (memcmp(adev->gart.ptr, adev->reset_magic,
+                       AMDGPU_RESET_MAGIC_NUM))
+               return true;
+
+       if (!adev->in_gpu_reset)
+               return false;
+
+       /*
+        * For all ASICs with baco/mode1 reset, the VRAM is
+        * always assumed to be lost.
+        */
+       switch (amdgpu_asic_reset_method(adev)) {
+       case AMD_RESET_METHOD_BACO:
+       case AMD_RESET_METHOD_MODE1:
+               return true;
+       default:
+               return false;
+       }
 }
 
 /**

diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
index db68ffa..fe306d0 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/cik.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik.c
@@ -1358,8 +1358,6 @@ static int cik_asic_reset(struct amdgpu_device *adev)
        int r;
 
        if (cik_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
-               if (!adev->in_suspend)
-                       amdgpu_inc_vram_lost(adev);
                r = amdgpu_dpm_baco_reset(adev);
        } else {
                r = cik_asic_pci_config_reset(adev);

diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 7768880..995bdec 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -351,8 +351,6 @@ static int nv_asic_reset(struct amdgpu_device *adev)
        struct smu_context *smu = &adev->smu;
 
        if (nv_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
-               if (!adev->in_suspend)
-                       amdgpu_inc_vram_lost(adev);
                ret = smu_baco_enter(smu);
                if (ret)
                        return ret;
@@ -360,8 +358,6 @@ static int nv_asic_reset(struct amdgpu_device *adev)
                if (ret)
                        return ret;
        } else {
-               if (!adev->in_suspend)
-                       amdgpu_inc_vram_lost(adev);
                ret = nv_asic_mode1_reset(adev);
        }
 

diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index a597ad2..58a440a 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -569,14 +569,10 @@ static int soc15_asic_reset(struct amdgpu_device *adev)
 
        switch (soc15_asic_reset_method(adev)) {
                case AMD_RESET_METHOD_BACO:
-                       if (!adev->in_suspend)
-                               amdgpu_inc_vram_lost(adev);
                        return soc15_asic_baco_reset(adev);
                case AMD_RESET_METHOD_MODE2:
                        return amdgpu_dpm_mode2_reset(adev);
                default:
-                       if (!adev->in_suspend)
-                               amdgpu_inc_vram_lost(adev);
                        return soc15_asic_mode1_reset(adev);
        }
 }

diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 0a90c29..af8986a 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -744,8 +744,6 @@ static int vi_asic_reset(struct amdgpu_device *adev)
        int r;
 
        if (vi_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
-               if (!adev->in_suspend)
-                       amdgpu_inc_vram_lost(adev);
                r = amdgpu_dpm_baco_reset(adev);
        } else {
                r = vi_asic_pci_config_reset(adev);