From: Thierry Reding <treding@xxxxxxxxxx>
Set the interface version implemented by the gr2d module. This allows
userspace to pass the correct command stream when programming the gr2d
module.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/gpu/drm/tegra/gr2d.c | 22 ++++++++++++++++++++--
1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/tegra/gr2d.c b/drivers/gpu/drm/tegra/gr2d.c
index 9a8ea93016a9..d13752b0d915 100644
--- a/drivers/gpu/drm/tegra/gr2d.c
+++ b/drivers/gpu/drm/tegra/gr2d.c
@@ -7,16 +7,23 @@
*/
#include <linux/clk.h>
+#include <linux/of_device.h>
#include "drm.h"
#include "gem.h"
#include "gr2d.h"
+struct gr2d_soc {
+ unsigned int version;
+};
+
struct gr2d {
struct tegra_drm_client client;
struct host1x_channel *channel;
struct clk *clk;
+ const struct gr2d_soc *soc;
+
DECLARE_BITMAP(addr_regs, GR2D_NUM_REGS);
};
@@ -123,9 +130,17 @@ 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);
@@ -158,6 +173,8 @@ 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;
@@ -178,6 +195,7 @@ static int gr2d_probe(struct platform_device *pdev)
gr2d->client.base.ops = &gr2d_client_ops;
gr2d->client.base.dev = dev;
gr2d->client.base.class = HOST1X_CLASS_GR2D;
+ gr2d->client.base.version = gr2d->soc->version;
gr2d->client.base.syncpts = syncpts;
gr2d->client.base.num_syncpts = 1;
--
2.17.0
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