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>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
index dba25853f7f9..15cbfc400633 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dce_calcs.c
@@ -2792,7 +2792,8 @@ bool bw_calcs(struct dc_context *ctx,
 	int pipe_count,
 	struct dce_bw_output *calcs_output)
 {
-	struct bw_calcs_data *data = dm_alloc(sizeof(struct bw_calcs_data));
+	struct bw_calcs_data *data = kzalloc(sizeof(struct bw_calcs_data),
+					     GFP_KERNEL);
 
 	populate_initial_data(pipe, pipe_count, data);
 
@@ -3248,7 +3249,7 @@ bool bw_calcs(struct dc_context *ctx,
 		calcs_output->sclk_khz = 0;
 	}
 
-	dm_free(data);
+	kfree(data);
 
 	return is_display_configuration_supported(vbios, calcs_output);
 }