From 994dcfaa7ee321a23ec398f6b0e709f11ab2f577 Mon Sep 17 00:00:00 2001 From: "Tianci.Yin" Date: Wed, 28 Aug 2019 18:51:19 +0800 Subject: [PATCH] drm/amdgpu: keep the stolen memory in visible vram region MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit stolen memory should be fixed in visible region. Reviewed-by: Christian König Signed-off-by: Tianci.Yin Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 6 ++++-- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 3 ++- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index bbb4c96ed5f9..a29110a4e492 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1738,6 +1738,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) uint64_t gtt_size; int r; u64 vis_vram_limit; + void *stolen_vga_buf; mutex_init(&adev->mman.gtt_window_lock); @@ -1792,7 +1793,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) r = amdgpu_bo_create_kernel(adev, adev->gmc.stolen_size, PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, &adev->stolen_vga_memory, - NULL, NULL); + NULL, &stolen_vga_buf); if (r) return r; DRM_INFO("amdgpu: %uM of VRAM memory ready\n", @@ -1856,8 +1857,9 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) */ void amdgpu_ttm_late_init(struct amdgpu_device *adev) { + void *stolen_vga_buf; /* return the VGA stolen memory (if any) back to VRAM */ - amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, NULL); + amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, &stolen_vga_buf); } /** diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 8efda03920e3..f91337030dc0 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1238,6 +1238,7 @@ static int gmc_v9_0_sw_init(void *handle) static int gmc_v9_0_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + void *stolen_vga_buf; if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC) && adev->gmc.umc_ras_if) { @@ -1270,7 +1271,7 @@ static int gmc_v9_0_sw_fini(void *handle) amdgpu_vm_manager_fini(adev); if (gmc_v9_0_keep_stolen_memory(adev)) - amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, NULL); + amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, &stolen_vga_buf); amdgpu_gart_table_vram_free(adev); amdgpu_bo_fini(adev); -- 2.30.2