From: Matthew Auld <matthew.auld@intel.com> To: intel-gfx@lists.freedesktop.org Subject: [PATCH v2 4/7] drm/i915: error capture with no ggtt slot Date: Tue, 29 Oct 2019 10:28:48 +0000 [thread overview] Message-ID: <20191029102851.7497-4-matthew.auld@intel.com> (raw) In-Reply-To: <20191029102851.7497-1-matthew.auld@intel.com> From: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> If the aperture is not available in HW we can't use a ggtt slot and wc copy, so fall back to regular kmap. Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com> Signed-off-by: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> --- drivers/gpu/drm/i915/i915_gem_gtt.c | 19 ++++---- drivers/gpu/drm/i915/i915_gpu_error.c | 66 ++++++++++++++++++++++----- 2 files changed, 65 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 73dad8c6acc2..ba047e329028 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -2661,7 +2661,8 @@ static void ggtt_release_guc_top(struct i915_ggtt *ggtt) static void cleanup_init_ggtt(struct i915_ggtt *ggtt) { ggtt_release_guc_top(ggtt); - drm_mm_remove_node(&ggtt->error_capture); + if (drm_mm_node_allocated(&ggtt->error_capture)) + drm_mm_remove_node(&ggtt->error_capture); } static int init_ggtt(struct i915_ggtt *ggtt) @@ -2692,13 +2693,15 @@ static int init_ggtt(struct i915_ggtt *ggtt) if (ret) return ret; - /* Reserve a mappable slot for our lockless error capture */ - ret = drm_mm_insert_node_in_range(&ggtt->vm.mm, &ggtt->error_capture, - PAGE_SIZE, 0, I915_COLOR_UNEVICTABLE, - 0, ggtt->mappable_end, - DRM_MM_INSERT_LOW); - if (ret) - return ret; + if (ggtt->mappable_end) { + /* Reserve a mappable slot for our lockless error capture */ + ret = drm_mm_insert_node_in_range(&ggtt->vm.mm, &ggtt->error_capture, + PAGE_SIZE, 0, I915_COLOR_UNEVICTABLE, + 0, ggtt->mappable_end, + DRM_MM_INSERT_LOW); + if (ret) + return ret; + } /* * The upper portion of the GuC address space has a sizeable hole diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 9bcdcebd2948..7672d4c4552f 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -40,6 +40,7 @@ #include "display/intel_overlay.h" #include "gem/i915_gem_context.h" +#include "gem/i915_gem_lmem.h" #include "i915_drv.h" #include "i915_gpu_error.h" @@ -235,6 +236,7 @@ struct compress { struct pagevec pool; struct z_stream_s zstream; void *tmp; + bool wc; }; static bool compress_init(struct compress *c) @@ -292,7 +294,7 @@ static int compress_page(struct compress *c, struct z_stream_s *zstream = &c->zstream; zstream->next_in = src; - if (c->tmp && i915_memcpy_from_wc(c->tmp, src, PAGE_SIZE)) + if (c->wc && c->tmp && i915_memcpy_from_wc(c->tmp, src, PAGE_SIZE)) zstream->next_in = c->tmp; zstream->avail_in = PAGE_SIZE; @@ -367,6 +369,7 @@ static void err_compression_marker(struct drm_i915_error_state_buf *m) struct compress { struct pagevec pool; + bool wc; }; static bool compress_init(struct compress *c) @@ -389,7 +392,7 @@ static int compress_page(struct compress *c, if (!ptr) return -ENOMEM; - if (!i915_memcpy_from_wc(ptr, src, PAGE_SIZE)) + if (!(c->wc && i915_memcpy_from_wc(ptr, src, PAGE_SIZE))) memcpy(ptr, src, PAGE_SIZE); dst->pages[dst->page_count++] = ptr; @@ -966,7 +969,6 @@ i915_error_object_create(struct drm_i915_private *i915, struct drm_i915_error_object *dst; unsigned long num_pages; struct sgt_iter iter; - dma_addr_t dma; int ret; might_sleep(); @@ -992,17 +994,54 @@ i915_error_object_create(struct drm_i915_private *i915, dst->page_count = 0; dst->unused = 0; + compress->wc = i915_gem_object_is_lmem(vma->obj) || + drm_mm_node_allocated(&ggtt->error_capture); + ret = -EINVAL; - for_each_sgt_daddr(dma, iter, vma->pages) { + if (drm_mm_node_allocated(&ggtt->error_capture)) { void __iomem *s; + dma_addr_t dma; - ggtt->vm.insert_page(&ggtt->vm, dma, slot, I915_CACHE_NONE, 0); + for_each_sgt_daddr(dma, iter, vma->pages) { + ggtt->vm.insert_page(&ggtt->vm, dma, slot, + I915_CACHE_NONE, 0); - s = io_mapping_map_wc(&ggtt->iomap, slot, PAGE_SIZE); - ret = compress_page(compress, (void __force *)s, dst); - io_mapping_unmap(s); - if (ret) - break; + s = io_mapping_map_wc(&ggtt->iomap, slot, PAGE_SIZE); + ret = compress_page(compress, (void __force *)s, dst); + io_mapping_unmap(s); + if (ret) + break; + } + } else if (i915_gem_object_is_lmem(vma->obj)) { + struct intel_memory_region *mem = vma->obj->mm.region; + dma_addr_t dma; + + for_each_sgt_daddr(dma, iter, vma->pages) { + void __iomem *s; + + s = io_mapping_map_atomic_wc(&mem->iomap, dma); + ret = compress_page(compress, (void __force *)s, dst); + io_mapping_unmap_atomic(s); + if (ret) + break; + } + } else { + struct page *page; + + for_each_sgt_page(page, iter, vma->pages) { + void *s; + + drm_clflush_pages(&page, 1); + + s = kmap_atomic(page); + ret = compress_page(compress, s, dst); + kunmap_atomic(s); + + drm_clflush_pages(&page, 1); + + if (ret) + break; + } } if (ret || compress_flush(compress, dst)) { @@ -1657,9 +1696,12 @@ static void capture_params(struct i915_gpu_state *error) static void capture_finish(struct i915_gpu_state *error) { struct i915_ggtt *ggtt = &error->i915->ggtt; - const u64 slot = ggtt->error_capture.start; - ggtt->vm.clear_range(&ggtt->vm, slot, PAGE_SIZE); + if (drm_mm_node_allocated(&ggtt->error_capture)) { + const u64 slot = ggtt->error_capture.start; + + ggtt->vm.clear_range(&ggtt->vm, slot, PAGE_SIZE); + } } #define DAY_AS_SECONDS(x) (24 * 60 * 60 * (x)) -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
WARNING: multiple messages have this Message-ID (diff)
From: Matthew Auld <matthew.auld@intel.com> To: intel-gfx@lists.freedesktop.org Subject: [Intel-gfx] [PATCH v2 4/7] drm/i915: error capture with no ggtt slot Date: Tue, 29 Oct 2019 10:28:48 +0000 [thread overview] Message-ID: <20191029102851.7497-4-matthew.auld@intel.com> (raw) Message-ID: <20191029102848.jp-eChSAEhI9oJh7oN1nGh_cTI6DVa2z5wF0QtUzdsc@z> (raw) In-Reply-To: <20191029102851.7497-1-matthew.auld@intel.com> From: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> If the aperture is not available in HW we can't use a ggtt slot and wc copy, so fall back to regular kmap. Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com> Signed-off-by: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> --- drivers/gpu/drm/i915/i915_gem_gtt.c | 19 ++++---- drivers/gpu/drm/i915/i915_gpu_error.c | 66 ++++++++++++++++++++++----- 2 files changed, 65 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 73dad8c6acc2..ba047e329028 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -2661,7 +2661,8 @@ static void ggtt_release_guc_top(struct i915_ggtt *ggtt) static void cleanup_init_ggtt(struct i915_ggtt *ggtt) { ggtt_release_guc_top(ggtt); - drm_mm_remove_node(&ggtt->error_capture); + if (drm_mm_node_allocated(&ggtt->error_capture)) + drm_mm_remove_node(&ggtt->error_capture); } static int init_ggtt(struct i915_ggtt *ggtt) @@ -2692,13 +2693,15 @@ static int init_ggtt(struct i915_ggtt *ggtt) if (ret) return ret; - /* Reserve a mappable slot for our lockless error capture */ - ret = drm_mm_insert_node_in_range(&ggtt->vm.mm, &ggtt->error_capture, - PAGE_SIZE, 0, I915_COLOR_UNEVICTABLE, - 0, ggtt->mappable_end, - DRM_MM_INSERT_LOW); - if (ret) - return ret; + if (ggtt->mappable_end) { + /* Reserve a mappable slot for our lockless error capture */ + ret = drm_mm_insert_node_in_range(&ggtt->vm.mm, &ggtt->error_capture, + PAGE_SIZE, 0, I915_COLOR_UNEVICTABLE, + 0, ggtt->mappable_end, + DRM_MM_INSERT_LOW); + if (ret) + return ret; + } /* * The upper portion of the GuC address space has a sizeable hole diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 9bcdcebd2948..7672d4c4552f 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -40,6 +40,7 @@ #include "display/intel_overlay.h" #include "gem/i915_gem_context.h" +#include "gem/i915_gem_lmem.h" #include "i915_drv.h" #include "i915_gpu_error.h" @@ -235,6 +236,7 @@ struct compress { struct pagevec pool; struct z_stream_s zstream; void *tmp; + bool wc; }; static bool compress_init(struct compress *c) @@ -292,7 +294,7 @@ static int compress_page(struct compress *c, struct z_stream_s *zstream = &c->zstream; zstream->next_in = src; - if (c->tmp && i915_memcpy_from_wc(c->tmp, src, PAGE_SIZE)) + if (c->wc && c->tmp && i915_memcpy_from_wc(c->tmp, src, PAGE_SIZE)) zstream->next_in = c->tmp; zstream->avail_in = PAGE_SIZE; @@ -367,6 +369,7 @@ static void err_compression_marker(struct drm_i915_error_state_buf *m) struct compress { struct pagevec pool; + bool wc; }; static bool compress_init(struct compress *c) @@ -389,7 +392,7 @@ static int compress_page(struct compress *c, if (!ptr) return -ENOMEM; - if (!i915_memcpy_from_wc(ptr, src, PAGE_SIZE)) + if (!(c->wc && i915_memcpy_from_wc(ptr, src, PAGE_SIZE))) memcpy(ptr, src, PAGE_SIZE); dst->pages[dst->page_count++] = ptr; @@ -966,7 +969,6 @@ i915_error_object_create(struct drm_i915_private *i915, struct drm_i915_error_object *dst; unsigned long num_pages; struct sgt_iter iter; - dma_addr_t dma; int ret; might_sleep(); @@ -992,17 +994,54 @@ i915_error_object_create(struct drm_i915_private *i915, dst->page_count = 0; dst->unused = 0; + compress->wc = i915_gem_object_is_lmem(vma->obj) || + drm_mm_node_allocated(&ggtt->error_capture); + ret = -EINVAL; - for_each_sgt_daddr(dma, iter, vma->pages) { + if (drm_mm_node_allocated(&ggtt->error_capture)) { void __iomem *s; + dma_addr_t dma; - ggtt->vm.insert_page(&ggtt->vm, dma, slot, I915_CACHE_NONE, 0); + for_each_sgt_daddr(dma, iter, vma->pages) { + ggtt->vm.insert_page(&ggtt->vm, dma, slot, + I915_CACHE_NONE, 0); - s = io_mapping_map_wc(&ggtt->iomap, slot, PAGE_SIZE); - ret = compress_page(compress, (void __force *)s, dst); - io_mapping_unmap(s); - if (ret) - break; + s = io_mapping_map_wc(&ggtt->iomap, slot, PAGE_SIZE); + ret = compress_page(compress, (void __force *)s, dst); + io_mapping_unmap(s); + if (ret) + break; + } + } else if (i915_gem_object_is_lmem(vma->obj)) { + struct intel_memory_region *mem = vma->obj->mm.region; + dma_addr_t dma; + + for_each_sgt_daddr(dma, iter, vma->pages) { + void __iomem *s; + + s = io_mapping_map_atomic_wc(&mem->iomap, dma); + ret = compress_page(compress, (void __force *)s, dst); + io_mapping_unmap_atomic(s); + if (ret) + break; + } + } else { + struct page *page; + + for_each_sgt_page(page, iter, vma->pages) { + void *s; + + drm_clflush_pages(&page, 1); + + s = kmap_atomic(page); + ret = compress_page(compress, s, dst); + kunmap_atomic(s); + + drm_clflush_pages(&page, 1); + + if (ret) + break; + } } if (ret || compress_flush(compress, dst)) { @@ -1657,9 +1696,12 @@ static void capture_params(struct i915_gpu_state *error) static void capture_finish(struct i915_gpu_state *error) { struct i915_ggtt *ggtt = &error->i915->ggtt; - const u64 slot = ggtt->error_capture.start; - ggtt->vm.clear_range(&ggtt->vm, slot, PAGE_SIZE); + if (drm_mm_node_allocated(&ggtt->error_capture)) { + const u64 slot = ggtt->error_capture.start; + + ggtt->vm.clear_range(&ggtt->vm, slot, PAGE_SIZE); + } } #define DAY_AS_SECONDS(x) (24 * 60 * 60 * (x)) -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2019-10-29 10:28 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-10-29 10:28 [PATCH v2 1/7] drm/i915: define i915_ggtt_has_aperture Matthew Auld 2019-10-29 10:28 ` [Intel-gfx] " Matthew Auld 2019-10-29 10:28 ` [PATCH v2 2/7] drm/i915: do not map aperture if it is not available Matthew Auld 2019-10-29 10:28 ` [Intel-gfx] " Matthew Auld 2019-10-29 10:28 ` [PATCH v2 3/7] drm/i915: set num_fence_regs to 0 if there is no aperture Matthew Auld 2019-10-29 10:28 ` [Intel-gfx] " Matthew Auld 2019-10-29 10:28 ` Matthew Auld [this message] 2019-10-29 10:28 ` [Intel-gfx] [PATCH v2 4/7] drm/i915: error capture with no ggtt slot Matthew Auld 2019-10-29 10:28 ` [PATCH v2 5/7] drm/i915: Don't try to place HWS in non-existing mappable region Matthew Auld 2019-10-29 10:28 ` [Intel-gfx] " Matthew Auld 2019-10-29 10:28 ` [PATCH v2 6/7] drm/i915: don't allocate the ring in stolen if we lack aperture Matthew Auld 2019-10-29 10:28 ` [Intel-gfx] " Matthew Auld 2019-10-29 10:28 ` [PATCH v2 7/7] drm/i915/selftests: check for missing aperture Matthew Auld 2019-10-29 10:28 ` [Intel-gfx] " Matthew Auld 2019-10-29 12:12 ` ✗ Fi.CI.BUILD: failure for series starting with [v2,1/7] drm/i915: define i915_ggtt_has_aperture Patchwork 2019-10-29 12:12 ` [Intel-gfx] " Patchwork
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