drm/amd/display: Use kernel alloc/free

Abstractions are frowned upon.

cocci script:
virtual context
virtual patch
virtual org
virtual report

@@
expression ptr;
@@

- dm_alloc(ptr)
+ kzalloc(ptr, GFP_KERNEL)

@@
expression ptr, size;
@@

- dm_realloc(ptr, size)
+ krealloc(ptr, size, GFP_KERNEL)

@@
expression ptr;
@@

- dm_free(ptr)
+ kfree(ptr)

v2: use GFP_KERNEL, not GFP_ATOMIC. add cocci script

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

5 files changed, 13 insertions, 9 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c b/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
index 7cce28489dba..a6c3a7229def 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dce110/irq_service_dce110.c
@@ -422,7 +422,8 @@ bool construct(
 struct irq_service *dal_irq_service_dce110_create(
 	struct irq_service_init_data *init_data)
 {
-	struct irq_service *irq_service = dm_alloc(sizeof(*irq_service));
+	struct irq_service *irq_service = kzalloc(sizeof(*irq_service),
+						  GFP_KERNEL);
 
 	if (!irq_service)
 		return NULL;
@@ -430,6 +431,6 @@ struct irq_service *dal_irq_service_dce110_create(
 	if (construct(irq_service, init_data))
 		return irq_service;
 
-	dm_free(irq_service);
+	kfree(irq_service);
 	return NULL;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/irq/dce120/irq_service_dce120.c b/drivers/gpu/drm/amd/display/dc/irq/dce120/irq_service_dce120.c
index 3871633ac635..61d7c286802a 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/dce120/irq_service_dce120.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dce120/irq_service_dce120.c
@@ -281,7 +281,8 @@ static bool construct(
 struct irq_service *dal_irq_service_dce120_create(
 	struct irq_service_init_data *init_data)
 {
-	struct irq_service *irq_service = dm_alloc(sizeof(*irq_service));
+	struct irq_service *irq_service = kzalloc(sizeof(*irq_service),
+						  GFP_KERNEL);
 
 	if (!irq_service)
 		return NULL;
@@ -289,6 +290,6 @@ struct irq_service *dal_irq_service_dce120_create(
 	if (construct(irq_service, init_data))
 		return irq_service;
 
-	dm_free(irq_service);
+	kfree(irq_service);
 	return NULL;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/irq/dce80/irq_service_dce80.c b/drivers/gpu/drm/amd/display/dc/irq/dce80/irq_service_dce80.c
index f458ef8e4c57..d6e1fb665d90 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/dce80/irq_service_dce80.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dce80/irq_service_dce80.c
@@ -293,7 +293,8 @@ static bool construct(
 struct irq_service *dal_irq_service_dce80_create(
 	struct irq_service_init_data *init_data)
 {
-	struct irq_service *irq_service = dm_alloc(sizeof(*irq_service));
+	struct irq_service *irq_service = kzalloc(sizeof(*irq_service),
+						  GFP_KERNEL);
 
 	if (!irq_service)
 		return NULL;
@@ -301,7 +302,7 @@ struct irq_service *dal_irq_service_dce80_create(
 	if (construct(irq_service, init_data))
 		return irq_service;
 
-	dm_free(irq_service);
+	kfree(irq_service);
 	return NULL;
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c b/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c
index be59f0a654e2..f6e861162a6e 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/dcn10/irq_service_dcn10.c
@@ -348,7 +348,8 @@ static bool construct(
 struct irq_service *dal_irq_service_dcn10_create(
 	struct irq_service_init_data *init_data)
 {
-	struct irq_service *irq_service = dm_alloc(sizeof(*irq_service));
+	struct irq_service *irq_service = kzalloc(sizeof(*irq_service),
+						  GFP_KERNEL);
 
 	if (!irq_service)
 		return NULL;
@@ -356,6 +357,6 @@ struct irq_service *dal_irq_service_dcn10_create(
 	if (construct(irq_service, init_data))
 		return irq_service;
 
-	dm_free(irq_service);
+	kfree(irq_service);
 	return NULL;
 }
diff --git a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c
index 0a1fae4ef83a..ce20622c7c89 100644
--- a/drivers/gpu/drm/amd/display/dc/irq/irq_service.c
+++ b/drivers/gpu/drm/amd/display/dc/irq/irq_service.c
@@ -66,7 +66,7 @@ void dal_irq_service_destroy(struct irq_service **irq_service)
 		return;
 	}
 
-	dm_free(*irq_service);
+	kfree(*irq_service);
 
 	*irq_service = NULL;
 }