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authorDave Airlie <airlied@redhat.com>2020-09-08 15:40:43 +1000
committerDave Airlie <airlied@redhat.com>2020-09-08 15:44:07 +1000
commit4993a8a378088be8b2f64fd9d00de9c6fb0a7ce9 (patch)
tree0b07ca4d24e05f9e6a8e3ba655baaa6d1ede5865
parent8052ff431a458ede2c17bec6a1717bfe5d600a8b (diff)
downloadremoteproc-4993a8a378088be8b2f64fd9d00de9c6fb0a7ce9.tar.gz
Revert "drm/i915: Remove i915_gem_object_get_dirty_page()"
These commits caused a regression on Lenovo t520 sandybridge machine belonging to reporter. We are reverting them for 5.10 for other reasons, so just do it for 5.9 as well. This reverts commit 763fedd6a216f94c2eb98d2f7ca21be3d3806e69. Reported-by: Harald Arnesen <harald@skogtun.org> Signed-off-by: Dave Airlie <airied@redhat.com>
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_object.h4
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_pages.c14
2 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index e5b9276d254c01..9cf4ad78ece6ef 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -258,6 +258,10 @@ struct page *
i915_gem_object_get_page(struct drm_i915_gem_object *obj,
unsigned int n);
+struct page *
+i915_gem_object_get_dirty_page(struct drm_i915_gem_object *obj,
+ unsigned int n);
+
dma_addr_t
i915_gem_object_get_dma_address_len(struct drm_i915_gem_object *obj,
unsigned long n,
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pages.c b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
index d15ff6748a50b4..e8a083743e0927 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_pages.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
@@ -548,6 +548,20 @@ i915_gem_object_get_page(struct drm_i915_gem_object *obj, unsigned int n)
return nth_page(sg_page(sg), offset);
}
+/* Like i915_gem_object_get_page(), but mark the returned page dirty */
+struct page *
+i915_gem_object_get_dirty_page(struct drm_i915_gem_object *obj,
+ unsigned int n)
+{
+ struct page *page;
+
+ page = i915_gem_object_get_page(obj, n);
+ if (!obj->mm.dirty)
+ set_page_dirty(page);
+
+ return page;
+}
+
dma_addr_t
i915_gem_object_get_dma_address_len(struct drm_i915_gem_object *obj,
unsigned long n,