From: Ankitprasad Sharma Date: Tue, 22 Dec 2015 06:20:44 +0000 (+0530) Subject: drm/i915: Allow use of get_dma_address for stolen backed objects X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c5236470feb59e357ce4d5fa58d26f0fbe432e54;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git drm/i915: Allow use of get_dma_address for stolen backed objects i915_gem_object_get_dma_address function is used to retrieve the dma address of a particular page so as to map it in a given GTT entry for CPU access. This function would be used for stolen backed objects also for tasks like pwrite, clearing of the pages etc. So the obj->get_page.sg needs to be initialized for the stolen objects also. Signed-off-by: Ankitprasad Sharma Link: http://patchwork.freedesktop.org/patch/msgid/1450765253-32104-2-git-send-email-ankitprasad.r.sharma@intel.com Reviewed-by: Tvrtko Ursulin Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 3476877fc0d6..c384dc9c8a63 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -569,6 +569,9 @@ _i915_gem_object_create_stolen(struct drm_device *dev, if (obj->pages == NULL) goto cleanup; + obj->get_page.sg = obj->pages->sgl; + obj->get_page.last = 0; + i915_gem_object_pin_pages(obj); obj->stolen = stolen;