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drm/amd/display: Reorder dc_state fields to optimize clearing the struct 

[why & how]
By moving bw_ctx field to the end of the dc_state the state can be
cleared more efficiently without resulting in large DML memcpy
operations, resulting in better mode enumeration performance on some
platforms.

Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Nevenko Stupar <Nevenko.Stupar@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aric Cyr 2022-12-03 21:58:37 -05:00 committed by Alex Deucher
parent b0fcf88b3f
commit 9ed90489a4
1 changed files with 9 additions and 9 deletions
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18
drivers/gpu/drm/amd/display/dc/inc/core_types.h
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@ -546,15 +546,6 @@ struct dc_state {
*/
struct resource_context res_ctx;
/**
* @bw_ctx: The output from bandwidth and watermark calculations and the DML
*
* Each context must have its own instance of VBA, and in order to
* initialize and obtain IP and SOC, the base DML instance from DC is
* initially copied into every context.
*/
struct bw_context bw_ctx;
/**
* @pp_display_cfg: PowerPlay clocks and settings
* Note: this is a big struct, do *not* put on stack!
@ -569,6 +560,15 @@ struct dc_state {
struct clk_mgr *clk_mgr;
/**
* @bw_ctx: The output from bandwidth and watermark calculations and the DML
*
* Each context must have its own instance of VBA, and in order to
* initialize and obtain IP and SOC, the base DML instance from DC is
* initially copied into every context.
*/
struct bw_context bw_ctx;
/**
* @refcount: refcount reference
*