From c2052a4e5c99f7edcb0283e6e12b2fb6975b7353 Mon Sep 17 00:00:00 2001 From: Jonathan Marek Date: Wed, 14 Nov 2018 17:08:04 -0500 Subject: drm/msm: implement a2xx mmu A2XX has its own very simple MMU. Added a msm_use_mmu() function because we can't rely on iommu_present to decide to use MMU or not. Signed-off-by: Jonathan Marek Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/adreno/adreno_device.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/gpu/drm/msm/adreno/adreno_device.c') diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index adc442f736a2..473433f574f9 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -307,6 +307,7 @@ static int adreno_bind(struct device *dev, struct device *master, void *data) static struct adreno_platform_config config = {}; const struct adreno_info *info; struct drm_device *drm = dev_get_drvdata(master); + struct msm_drm_private *priv = drm->dev_private; struct msm_gpu *gpu; int ret; @@ -329,6 +330,8 @@ static int adreno_bind(struct device *dev, struct device *master, void *data) DBG("Found GPU: %u.%u.%u.%u", config.rev.core, config.rev.major, config.rev.minor, config.rev.patchid); + priv->is_a2xx = config.rev.core == 2; + gpu = info->init(drm); if (IS_ERR(gpu)) { dev_warn(drm->dev, "failed to load adreno gpu\n"); -- cgit