From 58ab2c08d708ca8309768545b75741636c53a336 Mon Sep 17 00:00:00 2001 From: Christian König Date: Fri, 14 Jan 2022 16:49:44 +0100 Subject: drm/amdgpu: use VRAM|GTT for a bunch of kernel allocations MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Technically all of those can use GTT as well, no need to force things into VRAM. Signed-off-by: Christian König Signed-off-by: Luben Tuikov Acked-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 55e0284b2bdd..3c16dcca8a85 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1679,10 +1679,10 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev) /* reserve vram for mem train according to TMR location */ amdgpu_ttm_training_data_block_init(adev); ret = amdgpu_bo_create_kernel_at(adev, - ctx->c2p_train_data_offset, - ctx->train_data_size, - &ctx->c2p_bo, - NULL); + ctx->c2p_train_data_offset, + ctx->train_data_size, + &ctx->c2p_bo, + NULL); if (ret) { DRM_ERROR("alloc c2p_bo failed(%d)!\n", ret); amdgpu_ttm_training_reserve_vram_fini(adev); @@ -1692,10 +1692,10 @@ static int amdgpu_ttm_reserve_tmr(struct amdgpu_device *adev) } ret = amdgpu_bo_create_kernel_at(adev, - adev->gmc.real_vram_size - adev->mman.discovery_tmr_size, - adev->mman.discovery_tmr_size, - &adev->mman.discovery_memory, - NULL); + adev->gmc.real_vram_size - adev->mman.discovery_tmr_size, + adev->mman.discovery_tmr_size, + &adev->mman.discovery_memory, + NULL); if (ret) { DRM_ERROR("alloc tmr failed(%d)!\n", ret); amdgpu_bo_free_kernel(&adev->mman.discovery_memory, NULL, NULL); -- cgit v1.2.3-70-g09d2 From da2f992091e2576f93453f3e2dec365538b3ccab Mon Sep 17 00:00:00 2001 From: Christian König Date: Fri, 4 Feb 2022 16:17:47 +0100 Subject: drm/amdgpu: cleanup visible vram size handling MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Centralize the limit handling and validation in one place instead of spreading that around in different hw generations. Signed-off-by: Christian König Acked-by: Luben Tuikov Acked-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 7 +++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 7 ------- drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 3 --- drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 3 --- drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 3 --- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 3 --- 6 files changed, 7 insertions(+), 19 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c index 02a4c93673ce..7eb344717a78 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c @@ -201,6 +201,7 @@ uint64_t amdgpu_gmc_agp_addr(struct ttm_buffer_object *bo) void amdgpu_gmc_vram_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc, u64 base) { + uint64_t vis_limit = (uint64_t)amdgpu_vis_vram_limit << 20; uint64_t limit = (uint64_t)amdgpu_vram_limit << 20; mc->vram_start = base; @@ -208,6 +209,12 @@ void amdgpu_gmc_vram_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc, if (limit && limit < mc->real_vram_size) mc->real_vram_size = limit; + if (vis_limit && vis_limit < mc->visible_vram_size) + mc->visible_vram_size = vis_limit; + + if (mc->real_vram_size < mc->visible_vram_size) + mc->visible_vram_size = mc->real_vram_size; + if (mc->xgmi.num_physical_nodes == 0) { mc->fb_start = mc->vram_start; mc->fb_end = mc->vram_end; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 3c16dcca8a85..ce34b73d05bc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1718,7 +1718,6 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) { uint64_t gtt_size; int r; - u64 vis_vram_limit; mutex_init(&adev->mman.gtt_window_lock); @@ -1741,12 +1740,6 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) return r; } - /* Reduce size of CPU-visible VRAM if requested */ - vis_vram_limit = (u64)amdgpu_vis_vram_limit * 1024 * 1024; - if (amdgpu_vis_vram_limit > 0 && - vis_vram_limit <= adev->gmc.visible_vram_size) - adev->gmc.visible_vram_size = vis_vram_limit; - /* Change the size here instead of the init above so only lpfn is affected */ amdgpu_ttm_set_buffer_funcs_status(adev, false); #ifdef CONFIG_64BIT diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c index 808488831dea..7db1f1a7e33c 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -847,10 +847,7 @@ static int gmc_v10_0_mc_init(struct amdgpu_device *adev) } #endif - /* In case the PCI BAR is larger than the actual amount of vram */ adev->gmc.visible_vram_size = adev->gmc.aper_size; - if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) - adev->gmc.visible_vram_size = adev->gmc.real_vram_size; /* set the gart size */ if (amdgpu_gart_size == -1) { diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index b309f3ab2917..0b95afececdc 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -389,10 +389,7 @@ static int gmc_v7_0_mc_init(struct amdgpu_device *adev) } #endif - /* In case the PCI BAR is larger than the actual amount of vram */ adev->gmc.visible_vram_size = adev->gmc.aper_size; - if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) - adev->gmc.visible_vram_size = adev->gmc.real_vram_size; /* set the gart size */ if (amdgpu_gart_size == -1) { diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 24a256cfd7ce..8256795f6646 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -587,10 +587,7 @@ static int gmc_v8_0_mc_init(struct amdgpu_device *adev) } #endif - /* In case the PCI BAR is larger than the actual amount of vram */ adev->gmc.visible_vram_size = adev->gmc.aper_size; - if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) - adev->gmc.visible_vram_size = adev->gmc.real_vram_size; /* set the gart size */ if (amdgpu_gart_size == -1) { diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 8f7fa468decb..d65c6cea3445 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1552,10 +1552,7 @@ static int gmc_v9_0_mc_init(struct amdgpu_device *adev) } #endif - /* In case the PCI BAR is larger than the actual amount of vram */ adev->gmc.visible_vram_size = adev->gmc.aper_size; - if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) - adev->gmc.visible_vram_size = adev->gmc.real_vram_size; /* set the gart size */ if (amdgpu_gart_size == -1) { -- cgit v1.2.3-70-g09d2