Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amd/display/dml2: use vzalloc rather than kzalloc
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>
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drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.c
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drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.c
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//
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// Copyright 2024 Advanced Micro Devices, Inc.
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#include <linux/vmalloc.h>
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#include "dml2_internal_types.h"
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#include "dml_top.h"
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static bool dml21_allocate_memory(struct dml2_context **dml_ctx)
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{
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-
*dml_ctx = kzalloc(sizeof(struct dml2_context), GFP_KERNEL);
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*dml_ctx = vzalloc(sizeof(struct dml2_context));
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if (!(*dml_ctx))
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return false;
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(*dml_ctx)->v21.dml_init.dml2_instance = kzalloc(sizeof(struct dml2_instance), GFP_KERNEL);
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(*dml_ctx)->v21.dml_init.dml2_instance = vzalloc(sizeof(struct dml2_instance));
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if (!((*dml_ctx)->v21.dml_init.dml2_instance))
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return false;
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···
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(*dml_ctx)->v21.mode_support.display_config = &(*dml_ctx)->v21.display_config;
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(*dml_ctx)->v21.mode_programming.display_config = (*dml_ctx)->v21.mode_support.display_config;
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-
(*dml_ctx)->v21.mode_programming.programming = kzalloc(sizeof(struct dml2_display_cfg_programming), GFP_KERNEL);
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(*dml_ctx)->v21.mode_programming.programming = vzalloc(sizeof(struct dml2_display_cfg_programming));
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if (!((*dml_ctx)->v21.mode_programming.programming))
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return false;
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···
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void dml21_destroy(struct dml2_context *dml2)
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{
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kfree(dml2->v21.dml_init.dml2_instance);
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kfree(dml2->v21.mode_programming.programming);
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vfree(dml2->v21.dml_init.dml2_instance);
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vfree(dml2->v21.mode_programming.programming);
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}
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static void dml21_calculate_rq_and_dlg_params(const struct dc *dc, struct dc_state *context, struct resource_context *out_new_hw_state,
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drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c
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drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c
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*
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*/
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#include <linux/vmalloc.h>
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#include "display_mode_core.h"
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#include "dml2_internal_types.h"
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#include "dml2_utils.h"
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static inline struct dml2_context *dml2_allocate_memory(void)
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{
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return (struct dml2_context *) kzalloc(sizeof(struct dml2_context), GFP_KERNEL);
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return (struct dml2_context *) vzalloc(sizeof(struct dml2_context));
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}
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static void dml2_init(const struct dc *in_dc, const struct dml2_configuration_options *config, struct dml2_context **dml2)
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if (dml2->architecture == dml2_architecture_21)
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dml21_destroy(dml2);
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kfree(dml2);
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vfree(dml2);
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}
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void dml2_extract_dram_and_fclk_change_support(struct dml2_context *dml2,