[PATCH 7/7] drm/i915/guc: Module load failure test for CT buffer creation

2021-07-08 Thread Matthew Brost 
From: John Harrison 

Add several module failure load inject points in the CT buffer creation
code path.

Signed-off-by: John Harrison 
Signed-off-by: Matthew Brost 
Reviewed-by: Michal Wajdeczko 
---
 drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 8 
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c 
b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
index ad33708c2818..83ec60ea3f89 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
@@ -175,6 +175,10 @@ static int ct_register_buffer(struct intel_guc_ct *ct, u32 
type,
 {
int err;
 
+   err = i915_inject_probe_error(guc_to_gt(ct_to_guc(ct))->i915, -ENXIO);
+   if (unlikely(err))
+   return err;
+
err = guc_action_register_ct_buffer(ct_to_guc(ct), type,
desc_addr, buff_addr, size);
if (unlikely(err))
@@ -226,6 +230,10 @@ int intel_guc_ct_init(struct intel_guc_ct *ct)
u32 *cmds;
int err;
 
+   err = i915_inject_probe_error(guc_to_gt(guc)->i915, -ENXIO);
+   if (err)
+   return err;
+
GEM_BUG_ON(ct->vma);
 
blob_size = 2 * CTB_DESC_SIZE + CTB_H2G_BUFFER_SIZE + 
CTB_G2H_BUFFER_SIZE;
-- 
2.28.0

[PATCH 7/7] drm/i915/guc: Module load failure test for CT buffer creation

2021-07-06 Thread Matthew Brost 
From: John Harrison 

Add several module failure load inject points in the CT buffer creation
code path.

Signed-off-by: John Harrison 
Signed-off-by: Matthew Brost 
Reviewed-by: Michal Wajdeczko 
---
 drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 8 
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c 
b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
index 4a73a1f03a9b..5448377026e0 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
@@ -175,6 +175,10 @@ static int ct_register_buffer(struct intel_guc_ct *ct, u32 
type,
 {
int err;
 
+   err = i915_inject_probe_error(guc_to_gt(ct_to_guc(ct))->i915, -ENXIO);
+   if (unlikely(err))
+   return err;
+
err = guc_action_register_ct_buffer(ct_to_guc(ct), type,
desc_addr, buff_addr, size);
if (unlikely(err))
@@ -226,6 +230,10 @@ int intel_guc_ct_init(struct intel_guc_ct *ct)
u32 *cmds;
int err;
 
+   err = i915_inject_probe_error(guc_to_gt(guc)->i915, -ENXIO);
+   if (err)
+   return err;
+
GEM_BUG_ON(ct->vma);
 
blob_size = 2 * CTB_DESC_SIZE + CTB_H2G_BUFFER_SIZE + 
CTB_G2H_BUFFER_SIZE;
-- 
2.28.0

[PATCH 7/7] drm/i915/guc: Module load failure test for CT buffer creation

2021-07-01 Thread Matthew Brost 
From: John Harrison 

Add several module failure load inject points in the CT buffer creation
code path.

Signed-off-by: John Harrison 
Signed-off-by: Matthew Brost 
Reviewed-by: Michal Wajdeczko 
---
 drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 8 
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c 
b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
index 5b8b4ff609e2..d2a55521ef25 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
@@ -175,6 +175,10 @@ static int ct_register_buffer(struct intel_guc_ct *ct, u32 
type,
 {
int err;
 
+   err = i915_inject_probe_error(guc_to_gt(ct_to_guc(ct))->i915, -ENXIO);
+   if (unlikely(err))
+   return err;
+
err = guc_action_register_ct_buffer(ct_to_guc(ct), type,
desc_addr, buff_addr, size);
if (unlikely(err))
@@ -226,6 +230,10 @@ int intel_guc_ct_init(struct intel_guc_ct *ct)
u32 *cmds;
int err;
 
+   err = i915_inject_probe_error(guc_to_gt(guc)->i915, -ENXIO);
+   if (err)
+   return err;
+
GEM_BUG_ON(ct->vma);
 
blob_size = 2 * CTB_DESC_SIZE + CTB_H2G_BUFFER_SIZE + 
CTB_G2H_BUFFER_SIZE;
-- 
2.28.0

[PATCH 7/7] drm/i915/guc: Module load failure test for CT buffer creation

2021-06-27 Thread Matthew Brost 
From: John Harrison 

Add several module failure load inject points in the CT buffer creation
code path.

Signed-off-by: John Harrison 
Signed-off-by: Matthew Brost 
Reviewed-by: Michal Wajdeczko 
---
 drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 8 
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c 
b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
index 63bce4dc21fa..44bb6d630150 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
@@ -175,6 +175,10 @@ static int ct_register_buffer(struct intel_guc_ct *ct, u32 
type,
 {
int err;
 
+   err = i915_inject_probe_error(guc_to_gt(ct_to_guc(ct))->i915, -ENXIO);
+   if (unlikely(err))
+   return err;
+
err = guc_action_register_ct_buffer(ct_to_guc(ct), type,
desc_addr, buff_addr, size);
if (unlikely(err))
@@ -226,6 +230,10 @@ int intel_guc_ct_init(struct intel_guc_ct *ct)
u32 *cmds;
int err;
 
+   err = i915_inject_probe_error(guc_to_gt(guc)->i915, -ENXIO);
+   if (err)
+   return err;
+
GEM_BUG_ON(ct->vma);
 
blob_size = 2 * CTB_DESC_SIZE + CTB_H2G_BUFFER_SIZE + 
CTB_G2H_BUFFER_SIZE;
-- 
2.28.0