linux-kernel - [PATCH 1/2] drm/vram: store dumb bo dimensions.

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Date:   Wed, 26 Jun 2019 08:55:50 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     tzimmermann@...e.de, Gerd Hoffmann <kraxel@...hat.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 1/2] drm/vram: store dumb bo dimensions.

Store width and height of the bo.  Needed in case userspace
sets up a framebuffer with fb->width != bo->width..

Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
---
 include/drm/drm_gem_vram_helper.h     | 1 +
 drivers/gpu/drm/drm_gem_vram_helper.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index 1a0ea18e7a74..3692dba167df 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -39,6 +39,7 @@ struct drm_gem_vram_object {
 	struct drm_gem_object gem;
 	struct ttm_buffer_object bo;
 	struct ttm_bo_kmap_obj kmap;
+	unsigned int width, height;
 
 	/* Supported placements are %TTM_PL_VRAM and %TTM_PL_SYSTEM */
 	struct ttm_placement placement;
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 4de782ca26b2..c02bf7694117 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -377,6 +377,8 @@ int drm_gem_vram_fill_create_dumb(struct drm_file *file,
 	gbo = drm_gem_vram_create(dev, bdev, size, pg_align, interruptible);
 	if (IS_ERR(gbo))
 		return PTR_ERR(gbo);
+	gbo->width = args->width;
+	gbo->height = args->height;
 
 	ret = drm_gem_handle_create(file, &gbo->gem, &handle);
 	if (ret)
-- 
2.18.1