linux-kernel - [PATCH v3 1/5] gem/vram: pin to vram in vmap

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Date:   Thu, 27 Jun 2019 14:23:44 +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 v3 1/5] gem/vram: pin to vram in vmap

drm clients like the generic framebuffer emulation keep a permanent
vmap active, which in turn has a permanent pin.  This pin needs to
be in vram, otherwise we can't display the framebuffer.

Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
---
 drivers/gpu/drm/drm_gem_vram_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 4de782ca26b2..c724876c6f2a 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -592,7 +592,7 @@ void *drm_gem_vram_driver_gem_prime_vmap(struct drm_gem_object *gem)
 	int ret;
 	void *base;
 
-	ret = drm_gem_vram_pin(gbo, 0);
+	ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM);
 	if (ret)
 		return NULL;
 	base = drm_gem_vram_kmap(gbo, true, NULL);
-- 
2.18.1