linux-kernel - [PATCH v2 4/9] drm/msm: use contiguous vram for MSM_BO

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Message-Id: <20181122015237.14534-4-jonathan@marek.ca>
Date:   Wed, 21 Nov 2018 20:52:30 -0500
From:   Jonathan Marek <jonathan@...ek.ca>
To:     freedreno@...ts.freedesktop.org
Cc:     Chris.Healy@....aero, festevam@...il.com,
        Rob Clark <robdclark@...il.com>,
        David Airlie <airlied@...ux.ie>,
        linux-arm-msm@...r.kernel.org (open list:DRM DRIVER FOR MSM ADRENO GPU),
        dri-devel@...ts.freedesktop.org (open list:DRM DRIVER FOR MSM ADRENO
        GPU), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2 4/9] drm/msm: use contiguous vram for MSM_BO_SCANOUT when possible

Makes it possible to have MMU for GPU but not display.

Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
---
 drivers/gpu/drm/msm/msm_gem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index d97f6ecb0531..6657453a3a58 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -914,7 +914,7 @@ static struct drm_gem_object *_msm_gem_new(struct drm_device *dev,
 
 	if (!iommu_present(&platform_bus_type))
 		use_vram = true;
-	else if ((flags & MSM_BO_STOLEN) && priv->vram.size)
+	else if ((flags & (MSM_BO_STOLEN | MSM_BO_SCANOUT)) && priv->vram.size)
 		use_vram = true;
 
 	printk("_msm_gem_new %u bytes use_vram=%u\n", size, use_vram);
-- 
2.17.1