The V3D tech revision can be a useful information when configuring
jobs. Therefore, expose it in the `struct v3d_dev` with the V3D tech
version.

Signed-off-by: Maíra Canal <mca...@igalia.com>
---
 drivers/gpu/drm/v3d/v3d_drv.c | 5 ++++-
 drivers/gpu/drm/v3d/v3d_drv.h | 8 +++++---
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
index d38628e4fc2f..d7ff1f5fa481 100644
--- a/drivers/gpu/drm/v3d/v3d_drv.c
+++ b/drivers/gpu/drm/v3d/v3d_drv.c
@@ -267,7 +267,7 @@ static int v3d_platform_drm_probe(struct platform_device 
*pdev)
        struct v3d_dev *v3d;
        int ret;
        u32 mmu_debug;
-       u32 ident1;
+       u32 ident1, ident3;
        u64 mask;
 
        v3d = devm_drm_dev_alloc(dev, &v3d_drm_driver, struct v3d_dev, drm);
@@ -300,6 +300,9 @@ static int v3d_platform_drm_probe(struct platform_device 
*pdev)
        v3d->cores = V3D_GET_FIELD(ident1, V3D_HUB_IDENT1_NCORES);
        WARN_ON(v3d->cores > 1); /* multicore not yet implemented */
 
+       ident3 = V3D_READ(V3D_HUB_IDENT3);
+       v3d->rev = V3D_GET_FIELD(ident3, V3D_HUB_IDENT3_IPREV);
+
        v3d_perfmon_init(v3d);
 
        v3d->reset = devm_reset_control_get_exclusive(dev, NULL);
diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h
index 8524761bc62d..cf4b23369dc4 100644
--- a/drivers/gpu/drm/v3d/v3d_drv.h
+++ b/drivers/gpu/drm/v3d/v3d_drv.h
@@ -98,10 +98,12 @@ struct v3d_perfmon {
 struct v3d_dev {
        struct drm_device drm;
 
-       /* Short representation (e.g. 33, 41) of the V3D tech version
-        * and revision.
-        */
+       /* Short representation (e.g. 33, 41) of the V3D tech version */
        int ver;
+
+       /* Short representation (e.g. 5, 6) of the V3D tech revision */
+       int rev;
+
        bool single_irq_line;
 
        struct v3d_perfmon_info perfmon_info;
-- 
2.45.2

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