diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3366-drm-amd-display-use-kvmalloc-for-dc_state-v2.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3366-drm-amd-display-use-kvmalloc-for-dc_state-v2.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3366-drm-amd-display-use-kvmalloc-for-dc_state-v2.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3366-drm-amd-display-use-kvmalloc-for-dc_state-v2.patch new file mode 100644 index 00000000..995c4c97 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3366-drm-amd-display-use-kvmalloc-for-dc_state-v2.patch @@ -0,0 +1,57 @@ +From 883bc9f7e09949638a8292489a27be34bfe771f0 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Thu, 8 Aug 2019 00:29:23 -0500 +Subject: [PATCH 3366/4256] 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: Andrey Grodzovsky <andrey.grodzovsky@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc.c | 10 +++++----- + 1 file changed, 5 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index bc48e8e6ce4d..51653834dab6 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -1193,8 +1193,8 @@ 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), +- GFP_KERNEL); ++ struct dc_state *context = kvzalloc(sizeof(struct dc_state), ++ GFP_KERNEL); + + if (!context) + return NULL; +@@ -1214,11 +1214,11 @@ 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]; +@@ -1252,7 +1252,7 @@ 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) +-- +2.17.1 + |