From: Christian König Date: Wed, 18 Jul 2018 09:16:35 +0000 (+0200) Subject: drm/amdgpu: reduce the number of placements for a BO X-Git-Tag: v4.19-rc1~138^2~14^2~4 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=bf314ca3f10d4ba4335808dc678631908881db8b;p=linux.git drm/amdgpu: reduce the number of placements for a BO Make struct amdgpu_bo a bit smaller. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 7b3398c337f1..21bfa2d8039e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -216,6 +216,8 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain) c++; } + BUG_ON(c >= AMDGPU_BO_MAX_PLACEMENTS); + placement->num_placement = c; placement->placement = places; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 345fcd176992..18945dd6982d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -32,6 +32,7 @@ #include "amdgpu.h" #define AMDGPU_BO_INVALID_OFFSET LONG_MAX +#define AMDGPU_BO_MAX_PLACEMENTS 3 struct amdgpu_bo_param { unsigned long size; @@ -77,7 +78,7 @@ struct amdgpu_bo { /* Protected by tbo.reserved */ u32 preferred_domains; u32 allowed_domains; - struct ttm_place placements[AMDGPU_GEM_DOMAIN_MAX + 1]; + struct ttm_place placements[AMDGPU_BO_MAX_PLACEMENTS]; struct ttm_placement placement; struct ttm_buffer_object tbo; struct ttm_bo_kmap_obj kmap;