diff options
| author |   Thierry Reding <treding@nvidia.com> | 2018-05-16 17:06:36 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2018-05-18 22:00:13 +0200 |
| commit | 840fd213fca23b185f71b45a5b563e4e9b6d1759 (patch) | |
| tree | 713e1cd70599e08b9787e238145ee52a495846f8 /drivers/gpu/drm/tegra/gr2d.c | |
| parent | drm/tegra: Track client version (diff) | |
| download | linux-dev-840fd213fca23b185f71b45a5b563e4e9b6d1759.tar.xz linux-dev-840fd213fca23b185f71b45a5b563e4e9b6d1759.zip | |
drm/tegra: gr2d: Track interface version
Set the interface version implemented by the gr2d module. This allows
userspace to pass the correct command stream when programming the gr2d
module.
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/gr2d.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/gr2d.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/gpu/drm/tegra/gr2d.c b/drivers/gpu/drm/tegra/gr2d.c index 2cd0f66c8aa9..673059fd2fcb 100644 --- a/drivers/gpu/drm/tegra/gr2d.c +++ b/drivers/gpu/drm/tegra/gr2d.c @@ -8,17 +8,24 @@ #include <linux/clk.h> #include <linux/iommu.h> +#include <linux/of_device.h> #include "drm.h" #include "gem.h" #include "gr2d.h" +struct gr2d_soc { + unsigned int version; +}; + struct gr2d { struct iommu_group *group; struct tegra_drm_client client; struct host1x_channel *channel; struct clk *clk; + const struct gr2d_soc *soc; + DECLARE_BITMAP(addr_regs, GR2D_NUM_REGS); }; @@ -150,9 +157,17 @@ static const struct tegra_drm_client_ops gr2d_ops = { .submit = tegra_drm_submit, }; +static const struct gr2d_soc tegra20_gr2d_soc = { + .version = 0x20, +}; + +static const struct gr2d_soc tegra30_gr2d_soc = { + .version = 0x30, +}; + static const struct of_device_id gr2d_match[] = { - { .compatible = "nvidia,tegra30-gr2d" }, - { .compatible = "nvidia,tegra20-gr2d" }, + { .compatible = "nvidia,tegra30-gr2d", .data = &tegra20_gr2d_soc }, + { .compatible = "nvidia,tegra20-gr2d", .data = &tegra30_gr2d_soc }, { }, }; MODULE_DEVICE_TABLE(of, gr2d_match); @@ -185,6 +200,8 @@ static int gr2d_probe(struct platform_device *pdev) if (!gr2d) return -ENOMEM; + gr2d->soc = of_device_get_match_data(dev); + syncpts = devm_kzalloc(dev, sizeof(*syncpts), GFP_KERNEL); if (!syncpts) return -ENOMEM; @@ -209,6 +226,7 @@ static int gr2d_probe(struct platform_device *pdev) gr2d->client.base.num_syncpts = 1; INIT_LIST_HEAD(&gr2d->client.list); + gr2d->client.version = gr2d->soc->version; gr2d->client.ops = &gr2d_ops; err = host1x_client_register(&gr2d->client.base); |