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Commit 44f3dd09 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amd/display: use kvmalloc for dc_state (v2) 



It's large and doesn't need contiguous memory.  Fixes
allocation failures in some cases.

v2: kvfree the memory.

Reviewed-by: default avatarAndrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 62cfcb9e

drivers/gpu/drm/amd/display/dc/core/dc.c

+6 −5
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
 */



#include <linux/slab.h>

#include <linux/mm.h>



#include "dm_services.h"
@@ -1183,7 +1184,7 @@ bool dc_post_update_surfaces_to_stream(struct dc *dc) 


struct dc_state *dc_create_state(struct dc *dc)

{

	struct dc_state *context = kzalloc(sizeof(struct dc_state),

	struct dc_state *context = kvzalloc(sizeof(struct dc_state),

					    GFP_KERNEL);



	if (!context)
@@ -1204,11 +1205,11 @@ struct dc_state *dc_create_state(struct dc *dc) 
struct dc_state *dc_copy_state(struct dc_state *src_ctx)

{

	int i, j;

	struct dc_state *new_ctx = kmemdup(src_ctx,

			sizeof(struct dc_state), GFP_KERNEL);

	struct dc_state *new_ctx = kvmalloc(sizeof(struct dc_state), GFP_KERNEL);



	if (!new_ctx)

		return NULL;

	memcpy(new_ctx, src_ctx, sizeof(struct dc_state));



	for (i = 0; i < MAX_PIPES; i++) {

			struct pipe_ctx *cur_pipe = &new_ctx->res_ctx.pipe_ctx[i];
@@ -1242,7 +1243,7 @@ static void dc_state_free(struct kref *kref) 
{

	struct dc_state *context = container_of(kref, struct dc_state, refcount);

	dc_resource_state_destruct(context);

	kfree(context);

	kvfree(context);

}



void dc_release_state(struct dc_state *context)