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drm/tegra: gr3d: Track interface version
Set the interface version implemented by the gr3d module. This allows userspace to pass the correct command stream when programming the gr3d module. Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Tested-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
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840fd213fc
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33f150ea82
1 changed files with 25 additions and 3 deletions
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@ -11,6 +11,7 @@
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#include <linux/host1x.h>
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#include <linux/iommu.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include <linux/reset.h>
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@ -20,6 +21,10 @@
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#include "gem.h"
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#include "gr3d.h"
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struct gr3d_soc {
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unsigned int version;
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};
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struct gr3d {
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struct iommu_group *group;
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struct tegra_drm_client client;
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@ -29,6 +34,8 @@ struct gr3d {
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struct reset_control *rst_secondary;
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struct reset_control *rst;
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const struct gr3d_soc *soc;
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DECLARE_BITMAP(addr_regs, GR3D_NUM_REGS);
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};
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@ -151,10 +158,22 @@ static const struct tegra_drm_client_ops gr3d_ops = {
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.submit = tegra_drm_submit,
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};
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static const struct gr3d_soc tegra20_gr3d_soc = {
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.version = 0x20,
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};
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static const struct gr3d_soc tegra30_gr3d_soc = {
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.version = 0x30,
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};
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static const struct gr3d_soc tegra114_gr3d_soc = {
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.version = 0x35,
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};
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static const struct of_device_id tegra_gr3d_match[] = {
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{ .compatible = "nvidia,tegra114-gr3d" },
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{ .compatible = "nvidia,tegra30-gr3d" },
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{ .compatible = "nvidia,tegra20-gr3d" },
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{ .compatible = "nvidia,tegra114-gr3d", .data = &tegra114_gr3d_soc },
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{ .compatible = "nvidia,tegra30-gr3d", .data = &tegra30_gr3d_soc },
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{ .compatible = "nvidia,tegra20-gr3d", .data = &tegra20_gr3d_soc },
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{ }
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};
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MODULE_DEVICE_TABLE(of, tegra_gr3d_match);
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@ -276,6 +295,8 @@ static int gr3d_probe(struct platform_device *pdev)
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if (!gr3d)
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return -ENOMEM;
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gr3d->soc = of_device_get_match_data(&pdev->dev);
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syncpts = devm_kzalloc(&pdev->dev, sizeof(*syncpts), GFP_KERNEL);
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if (!syncpts)
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return -ENOMEM;
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@ -333,6 +354,7 @@ static int gr3d_probe(struct platform_device *pdev)
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gr3d->client.base.num_syncpts = 1;
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INIT_LIST_HEAD(&gr3d->client.list);
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gr3d->client.version = gr3d->soc->version;
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gr3d->client.ops = &gr3d_ops;
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err = host1x_client_register(&gr3d->client.base);
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