diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c index a47f00b443d3095bc6a0fbc7533adaf437084c9f..5982941d933b2730b5fcad58f15651b9cbeaa5b6 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.c +++ b/drivers/gpu/drm/v3d/v3d_drv.c @@ -265,7 +265,7 @@ 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); @@ -298,6 +298,9 @@ 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); + if (v3d->ver >= 71) v3d->max_counters = V3D_V71_NUM_PERFCOUNTERS; else if (v3d->ver >= 42) diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h index 099b962bdfde3a878bda56c509456457539c69ca..49089eefb7c7d1030ac1ad3322b1cfaac79701d0 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; /* Different revisions of V3D have different total number of performance