6.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alex Deucher alexander.deucher@amd.com
[ Upstream commit cd9e6d6fdd2de60bfb4672387c17d4ee7157cf8e ]
The structures are large and they do not require contiguous memory so use vzalloc.
Fixes: 70839da63605 ("drm/amd/display: Add new DCN401 sources") Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4126 Cc: Aurabindo Pillai aurabindo.pillai@amd.com Reviewed-by: Aurabindo Pillai aurabindo.pillai@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com (cherry picked from commit 20c50a9a793300a1fc82f3ddd0e3c68f8213fbef) Cc: stable@vger.kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- .../gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.c | 11 ++++++----- drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c | 6 ++++-- 2 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.c index dedf0fd3eb276..e3e4f40bd4123 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.c @@ -2,6 +2,7 @@ // // Copyright 2024 Advanced Micro Devices, Inc.
+#include <linux/vmalloc.h>
#include "dml2_internal_types.h" #include "dml_top.h" @@ -13,11 +14,11 @@
static bool dml21_allocate_memory(struct dml2_context **dml_ctx) { - *dml_ctx = kzalloc(sizeof(struct dml2_context), GFP_KERNEL); + *dml_ctx = vzalloc(sizeof(struct dml2_context)); if (!(*dml_ctx)) return false;
- (*dml_ctx)->v21.dml_init.dml2_instance = kzalloc(sizeof(struct dml2_instance), GFP_KERNEL); + (*dml_ctx)->v21.dml_init.dml2_instance = vzalloc(sizeof(struct dml2_instance)); if (!((*dml_ctx)->v21.dml_init.dml2_instance)) return false;
@@ -27,7 +28,7 @@ static bool dml21_allocate_memory(struct dml2_context **dml_ctx) (*dml_ctx)->v21.mode_support.display_config = &(*dml_ctx)->v21.display_config; (*dml_ctx)->v21.mode_programming.display_config = (*dml_ctx)->v21.mode_support.display_config;
- (*dml_ctx)->v21.mode_programming.programming = kzalloc(sizeof(struct dml2_display_cfg_programming), GFP_KERNEL); + (*dml_ctx)->v21.mode_programming.programming = vzalloc(sizeof(struct dml2_display_cfg_programming)); if (!((*dml_ctx)->v21.mode_programming.programming)) return false;
@@ -116,8 +117,8 @@ bool dml21_create(const struct dc *in_dc, struct dml2_context **dml_ctx, const s
void dml21_destroy(struct dml2_context *dml2) { - kfree(dml2->v21.dml_init.dml2_instance); - kfree(dml2->v21.mode_programming.programming); + vfree(dml2->v21.dml_init.dml2_instance); + vfree(dml2->v21.mode_programming.programming); }
static void dml21_calculate_rq_and_dlg_params(const struct dc *dc, struct dc_state *context, struct resource_context *out_new_hw_state, diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c index cb2cb89dfecb2..03812f862b3d6 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c @@ -24,6 +24,8 @@ * */
+#include <linux/vmalloc.h> + #include "display_mode_core.h" #include "dml2_internal_types.h" #include "dml2_utils.h" @@ -749,7 +751,7 @@ bool dml2_validate(const struct dc *in_dc, struct dc_state *context, struct dml2
static inline struct dml2_context *dml2_allocate_memory(void) { - return (struct dml2_context *) kzalloc(sizeof(struct dml2_context), GFP_KERNEL); + return (struct dml2_context *) vzalloc(sizeof(struct dml2_context)); }
static void dml2_init(const struct dc *in_dc, const struct dml2_configuration_options *config, struct dml2_context **dml2) @@ -820,7 +822,7 @@ void dml2_destroy(struct dml2_context *dml2)
if (dml2->architecture == dml2_architecture_21) dml21_destroy(dml2); - kfree(dml2); + vfree(dml2); }
void dml2_extract_dram_and_fclk_change_support(struct dml2_context *dml2,