linux-kernel - [PATCH] drm/msm: Call msm_init

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Date:   Sat,  3 Feb 2018 18:38:26 +0000
From:   Craig Tatlor <ctatlor97@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     ctatlor97@...il.com, Rob Clark <robdclark@...il.com>,
        David Airlie <airlied@...ux.ie>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] drm/msm: Call msm_init_vram before binding the gpu

vram.size is needed when binding a gpu without an iommu and is defined
in msm_init_vram(), so run that before binding it.

Signed-off-by: Craig Tatlor <ctatlor97@...il.com>
---
 drivers/gpu/drm/msm/msm_drv.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index bdf0fe754f7b..82d4126ca017 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -400,6 +400,14 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
 
 	drm_mode_config_init(ddev);
 
+	ret = msm_init_vram(ddev);
+	if (ret) {
+		msm_mdss_destroy(ddev);
+		kfree(priv);
+		drm_dev_unref(ddev);
+		return ret;
+	}
+
 	/* Bind all our sub-components: */
 	ret = component_bind_all(dev, ddev);
 	if (ret) {
@@ -409,10 +417,6 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
 		return ret;
 	}
 
-	ret = msm_init_vram(ddev);
-	if (ret)
-		goto fail;
-
 	msm_gem_shrinker_init(ddev);
 
 	switch (get_mdp_ver(pdev)) {
-- 
2.15.1