From 35d5f224a5593028ecbc784d7c6cb0c77fb3aac3 Mon Sep 17 00:00:00 2001 From: Oak Zeng Date: Fri, 22 Jan 2021 13:00:06 -0600 Subject: drm/amdgpu: Don't reserve vram as WC for A+A On A+A platform, vram can be mapped as WB. Not necessarily to always map vram as WC on such platform. Calling function arch_io_reserve_memtype_wc will mark the whole vram region as WC. So don't call it for A+A platform. Signed-off-by: Oak Zeng Suggested-by: Alex Deucher Acked-by: Christian Konig Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 4b29b8205442..de52a99916f8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1065,13 +1065,17 @@ static const char *amdgpu_vram_names[] = { */ int amdgpu_bo_init(struct amdgpu_device *adev) { - /* reserve PAT memory space to WC for VRAM */ - arch_io_reserve_memtype_wc(adev->gmc.aper_base, - adev->gmc.aper_size); + /* On A+A platform, VRAM can be mapped as WB */ + if (!adev->gmc.xgmi.connected_to_cpu) { + /* reserve PAT memory space to WC for VRAM */ + arch_io_reserve_memtype_wc(adev->gmc.aper_base, + adev->gmc.aper_size); + + /* Add an MTRR for the VRAM */ + adev->gmc.vram_mtrr = arch_phys_wc_add(adev->gmc.aper_base, + adev->gmc.aper_size); + } - /* Add an MTRR for the VRAM */ - adev->gmc.vram_mtrr = arch_phys_wc_add(adev->gmc.aper_base, - adev->gmc.aper_size); DRM_INFO("Detected VRAM RAM=%lluM, BAR=%lluM\n", adev->gmc.mc_vram_size >> 20, (unsigned long long)adev->gmc.aper_size >> 20); @@ -1089,8 +1093,10 @@ int amdgpu_bo_init(struct amdgpu_device *adev) void amdgpu_bo_fini(struct amdgpu_device *adev) { amdgpu_ttm_fini(adev); - arch_phys_wc_del(adev->gmc.vram_mtrr); - arch_io_free_memtype_wc(adev->gmc.aper_base, adev->gmc.aper_size); + if (!adev->gmc.xgmi.connected_to_cpu) { + arch_phys_wc_del(adev->gmc.vram_mtrr); + arch_io_free_memtype_wc(adev->gmc.aper_base, adev->gmc.aper_size); + } } /** -- cgit From 48ccbf730c945c7fc86e8790a8246247a2c0478b Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 9 Mar 2021 23:20:46 -0500 Subject: drm/amdgpu: don't evict vram on APUs for suspend to ram (v4) Vram is system memory, so no need to evict. v2: use PM_EVENT messages v3: use correct dev v4: use driver flags Reviewed-by: Evan Quan Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index ac1bb5089260..b99e9d8736c2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1024,13 +1024,10 @@ int amdgpu_bo_evict_vram(struct amdgpu_device *adev) { struct ttm_resource_manager *man; - /* late 2.6.33 fix IGP hibernate - we need pm ops to do this correct */ -#ifndef CONFIG_HIBERNATION - if (adev->flags & AMD_IS_APU) { - /* Useless to evict on IGP chips */ + if (adev->in_s3 && (adev->flags & AMD_IS_APU)) { + /* No need to evict vram on APUs for suspend to ram */ return 0; } -#endif man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM); return ttm_resource_manager_evict_all(&adev->mman.bdev, man); -- cgit From 9fd5543e9552acff859af7f154bd3402b7983dc5 Mon Sep 17 00:00:00 2001 From: Nirmoy Das Date: Mon, 8 Mar 2021 14:00:06 +0100 Subject: drm/amdgpu: allow variable BO struct creation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Allow allocating BO structures with different structure size than struct amdgpu_bo. v2: Check bo_ptr_size in all amdgpu_bo_create() caller. Signed-off-by: Nirmoy Das Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index b99e9d8736c2..6aa3f7cfd740 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -248,6 +248,7 @@ int amdgpu_bo_create_reserved(struct amdgpu_device *adev, bp.flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS; bp.type = ttm_bo_type_kernel; bp.resv = NULL; + bp.bo_ptr_size = sizeof(struct amdgpu_bo); if (!*bo_ptr) { r = amdgpu_bo_create(adev, &bp, bo_ptr); @@ -543,9 +544,10 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, if (!amdgpu_bo_validate_size(adev, size, bp->domain)) return -ENOMEM; - *bo_ptr = NULL; + BUG_ON(bp->bo_ptr_size < sizeof(struct amdgpu_bo)); - bo = kzalloc(sizeof(struct amdgpu_bo), GFP_KERNEL); + *bo_ptr = NULL; + bo = kzalloc(bp->bo_ptr_size, GFP_KERNEL); if (bo == NULL) return -ENOMEM; drm_gem_private_object_init(adev_to_drm(adev), &bo->tbo.base, size); @@ -635,6 +637,7 @@ static int amdgpu_bo_create_shadow(struct amdgpu_device *adev, AMDGPU_GEM_CREATE_SHADOW; bp.type = ttm_bo_type_kernel; bp.resv = bo->tbo.base.resv; + bp.bo_ptr_size = sizeof(struct amdgpu_bo); r = amdgpu_bo_do_create(adev, &bp, &bo->shadow); if (!r) { @@ -669,6 +672,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev, int r; bp->flags = bp->flags & ~AMDGPU_GEM_CREATE_SHADOW; + r = amdgpu_bo_do_create(adev, bp, bo_ptr); if (r) return r; -- cgit From 9ad0d033ed4be2370bfff6589fc52ab220e7c514 Mon Sep 17 00:00:00 2001 From: Nirmoy Das Date: Fri, 5 Mar 2021 13:00:22 +0100 Subject: drm/amdgpu: introduce struct amdgpu_bo_user MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Implement a new struct amdgpu_bo_user as subclass of struct amdgpu_bo and a function to created amdgpu_bo_user bo with a flag to identify the owner. v2: amdgpu_bo_to_amdgpu_bo_user -> to_amdgpu_bo_user() Signed-off-by: Nirmoy Das Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 6aa3f7cfd740..db40b23bd66e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -694,6 +694,34 @@ int amdgpu_bo_create(struct amdgpu_device *adev, return r; } +/** + * amdgpu_bo_create_user - create an &amdgpu_bo_user buffer object + * @adev: amdgpu device object + * @bp: parameters to be used for the buffer object + * @ubo_ptr: pointer to the buffer object pointer + * + * Create a BO to be used by user application; + * + * Returns: + * 0 for success or a negative error code on failure. + */ + +int amdgpu_bo_create_user(struct amdgpu_device *adev, + struct amdgpu_bo_param *bp, + struct amdgpu_bo_user **ubo_ptr) +{ + struct amdgpu_bo *bo_ptr; + int r; + + bp->flags = bp->flags & ~AMDGPU_GEM_CREATE_SHADOW; + bp->bo_ptr_size = sizeof(struct amdgpu_bo_user); + r = amdgpu_bo_do_create(adev, bp, &bo_ptr); + if (r) + return r; + + *ubo_ptr = to_amdgpu_bo_user(bo_ptr); + return r; +} /** * amdgpu_bo_validate - validate an &amdgpu_bo buffer object * @bo: pointer to the buffer object -- cgit From cc1bcf85b0112ad660e70464d00d3e36e103cedd Mon Sep 17 00:00:00 2001 From: Nirmoy Das Date: Mon, 8 Mar 2021 14:03:35 +0100 Subject: drm/amdgpu: use amdgpu_bo_user bo for metadata and tiling flag MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Tiling flag and metadata are only needed for BOs created by amdgpu_gem_object_create(), so we can remove those from the base class. v2: * squash tiling_flags and metadata relared patches into one * use BUG_ON for non ttm_bo_type_device type when accessing tiling_flags and metadata._ v3: *include to_amdgpu_bo_user Signed-off-by: Nirmoy Das Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 51 ++++++++++++++++++++---------- 1 file changed, 35 insertions(+), 16 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index db40b23bd66e..fd50e48e009a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -77,6 +77,7 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo) { struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev); struct amdgpu_bo *bo = ttm_to_amdgpu_bo(tbo); + struct amdgpu_bo_user *ubo; if (bo->tbo.pin_count > 0) amdgpu_bo_subtract_pin_size(bo); @@ -94,7 +95,11 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo) } amdgpu_bo_unref(&bo->parent); - kfree(bo->metadata); + if (bo->tbo.type == ttm_bo_type_device) { + ubo = to_amdgpu_bo_user(bo); + kfree(ubo->metadata); + } + kfree(bo); } @@ -1157,12 +1162,15 @@ int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo, int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags) { struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); + struct amdgpu_bo_user *ubo; + BUG_ON(bo->tbo.type != ttm_bo_type_device); if (adev->family <= AMDGPU_FAMILY_CZ && AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT) > 6) return -EINVAL; - bo->tiling_flags = tiling_flags; + ubo = to_amdgpu_bo_user(bo); + ubo->tiling_flags = tiling_flags; return 0; } @@ -1176,10 +1184,14 @@ int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags) */ void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags) { + struct amdgpu_bo_user *ubo; + + BUG_ON(bo->tbo.type != ttm_bo_type_device); dma_resv_assert_held(bo->tbo.base.resv); + ubo = to_amdgpu_bo_user(bo); if (tiling_flags) - *tiling_flags = bo->tiling_flags; + *tiling_flags = ubo->tiling_flags; } /** @@ -1198,13 +1210,16 @@ void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags) int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata, uint32_t metadata_size, uint64_t flags) { + struct amdgpu_bo_user *ubo; void *buffer; + BUG_ON(bo->tbo.type != ttm_bo_type_device); + ubo = to_amdgpu_bo_user(bo); if (!metadata_size) { - if (bo->metadata_size) { - kfree(bo->metadata); - bo->metadata = NULL; - bo->metadata_size = 0; + if (ubo->metadata_size) { + kfree(ubo->metadata); + ubo->metadata = NULL; + ubo->metadata_size = 0; } return 0; } @@ -1216,10 +1231,10 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata, if (buffer == NULL) return -ENOMEM; - kfree(bo->metadata); - bo->metadata_flags = flags; - bo->metadata = buffer; - bo->metadata_size = metadata_size; + kfree(ubo->metadata); + ubo->metadata_flags = flags; + ubo->metadata = buffer; + ubo->metadata_size = metadata_size; return 0; } @@ -1243,21 +1258,25 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer, size_t buffer_size, uint32_t *metadata_size, uint64_t *flags) { + struct amdgpu_bo_user *ubo; + if (!buffer && !metadata_size) return -EINVAL; + BUG_ON(bo->tbo.type != ttm_bo_type_device); + ubo = to_amdgpu_bo_user(bo); if (buffer) { - if (buffer_size < bo->metadata_size) + if (buffer_size < ubo->metadata_size) return -EINVAL; - if (bo->metadata_size) - memcpy(buffer, bo->metadata, bo->metadata_size); + if (ubo->metadata_size) + memcpy(buffer, ubo->metadata, ubo->metadata_size); } if (metadata_size) - *metadata_size = bo->metadata_size; + *metadata_size = ubo->metadata_size; if (flags) - *flags = bo->metadata_flags; + *flags = ubo->metadata_flags; return 0; } -- cgit From 030bb4addb36ee94e286eb51486f990cac433825 Mon Sep 17 00:00:00 2001 From: Nirmoy Das Date: Mon, 15 Mar 2021 16:02:37 +0100 Subject: drm/amdgpu: make BO type check less restrictive MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit BO with ttm_bo_type_sg type can also have tiling_flag and metadata. So so BO type check for only ttm_bo_type_kernel. Reviewed-by: Christian König Signed-off-by: Nirmoy Das Reported-by: Tom StDenis Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index fd50e48e009a..d2265d457854 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1164,7 +1164,7 @@ int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags) struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); struct amdgpu_bo_user *ubo; - BUG_ON(bo->tbo.type != ttm_bo_type_device); + BUG_ON(bo->tbo.type == ttm_bo_type_kernel); if (adev->family <= AMDGPU_FAMILY_CZ && AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT) > 6) return -EINVAL; @@ -1186,7 +1186,7 @@ void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags) { struct amdgpu_bo_user *ubo; - BUG_ON(bo->tbo.type != ttm_bo_type_device); + BUG_ON(bo->tbo.type == ttm_bo_type_kernel); dma_resv_assert_held(bo->tbo.base.resv); ubo = to_amdgpu_bo_user(bo); @@ -1213,7 +1213,7 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata, struct amdgpu_bo_user *ubo; void *buffer; - BUG_ON(bo->tbo.type != ttm_bo_type_device); + BUG_ON(bo->tbo.type == ttm_bo_type_kernel); ubo = to_amdgpu_bo_user(bo); if (!metadata_size) { if (ubo->metadata_size) { @@ -1263,7 +1263,7 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer, if (!buffer && !metadata_size) return -EINVAL; - BUG_ON(bo->tbo.type != ttm_bo_type_device); + BUG_ON(bo->tbo.type == ttm_bo_type_kernel); ubo = to_amdgpu_bo_user(bo); if (buffer) { if (buffer_size < ubo->metadata_size) -- cgit From e90f8be3b91c99346b70b419ec6f4a3d5a4c828e Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Tue, 6 Apr 2021 11:08:57 +0200 Subject: drm/amdgpu: Remove unused function amdgpu_bo_fbdev_mmap() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Remove an unused function. Mapping the fbdev framebuffer is apparently not supported. Signed-off-by: Thomas Zimmermann Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 19 ------------------- 1 file changed, 19 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index d2265d457854..1345f7eba011 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1129,25 +1129,6 @@ void amdgpu_bo_fini(struct amdgpu_device *adev) } } -/** - * amdgpu_bo_fbdev_mmap - mmap fbdev memory - * @bo: &amdgpu_bo buffer object - * @vma: vma as input from the fbdev mmap method - * - * Calls ttm_fbdev_mmap() to mmap fbdev memory if it is backed by a bo. - * - * Returns: - * 0 for success or a negative error code on failure. - */ -int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo, - struct vm_area_struct *vma) -{ - if (vma->vm_pgoff != 0) - return -EACCES; - - return ttm_bo_mmap_obj(vma, &bo->tbo); -} - /** * amdgpu_bo_set_tiling_flags - set tiling flags * @bo: &amdgpu_bo buffer object -- cgit