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Revert "drm/ttm: increase ttm pre-fault value to PMD size"

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This reverts commit 0ddd2ae586.

This patch causes sluggishness and stuttering in graphical
apps.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3564
Link: https://www.spinics.net/lists/dri-devel/msg457005.html
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Zhu Lingshan <lingshan.zhu@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240820134600.1909370-1-alexander.deucher@amd.com
This commit is contained in:
Alex Deucher 2024-08-20 09:46:00 -04:00
parent 9b340aeb26
commit c358a809cb
1 changed files with 0 additions and 4 deletions
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4
include/drm/ttm/ttm_bo.h
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@ -39,11 +39,7 @@
#include "ttm_device.h"
/* Default number of pre-faulted pages in the TTM fault handler */
#if CONFIG_PGTABLE_LEVELS > 2
#define TTM_BO_VM_NUM_PREFAULT (1 << (PMD_SHIFT - PAGE_SHIFT))
#else
#define TTM_BO_VM_NUM_PREFAULT 16
#endif
struct iosys_map;