[PATCH 2/6] drm/etnaviv: determine product, customer and eco id

[Christian Gmeiner]

They will be used for extended HWDB support. The eco id logic was taken
from galcore kernel driver sources.

Signed-off-by: Christian Gmeiner <christian.gmei...@gmail.com>
---
 drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 17 +++++++++++++++++
 drivers/gpu/drm/etnaviv/etnaviv_gpu.h |  6 +++---
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c 
b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index d47d1a8e0219..253301be9e95 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -321,6 +321,18 @@ static void etnaviv_hw_specs(struct etnaviv_gpu *gpu)
                gpu->identity.varyings_count -= 1;
 }
 
+static void etnaviv_hw_eco_id(struct etnaviv_gpu *gpu)
+{
+       const u32 chipDate = gpu_read(gpu, VIVS_HI_CHIP_DATE);
+       gpu->identity.eco_id = gpu_read(gpu, VIVS_HI_CHIP_ECO_ID);
+
+       if (etnaviv_is_model_rev(gpu, GC1000, 0x5037) && (chipDate == 
0x20120617))
+               gpu->identity.eco_id = 1;
+
+       if (etnaviv_is_model_rev(gpu, GC320, 0x5303) && (chipDate == 
0x20140511))
+               gpu->identity.eco_id = 1;
+}
+
 static void etnaviv_hw_identify(struct etnaviv_gpu *gpu)
 {
        u32 chipIdentity;
@@ -362,6 +374,8 @@ static void etnaviv_hw_identify(struct etnaviv_gpu *gpu)
                        }
                }
 
+               gpu->identity.product_id = gpu_read(gpu, 
VIVS_HI_CHIP_PRODUCT_ID);
+
                /*
                 * NXP likes to call the GPU on the i.MX6QP GC2000+, but in
                 * reality it's just a re-branded GC3000. We can identify this
@@ -375,6 +389,9 @@ static void etnaviv_hw_identify(struct etnaviv_gpu *gpu)
                }
        }
 
+       etnaviv_hw_eco_id(gpu);
+       gpu->identity.customer_id = gpu_read(gpu, VIVS_HI_CHIP_CUSTOMER_ID);
+
        dev_info(gpu->dev, "model: GC%x, revision: %x\n",
                 gpu->identity.model, gpu->identity.revision);
 
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h 
b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
index 8f9bd4edc96a..68bd966e3916 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
@@ -15,11 +15,11 @@ struct etnaviv_gem_submit;
 struct etnaviv_vram_mapping;
 
 struct etnaviv_chip_identity {
-       /* Chip model. */
        u32 model;
-
-       /* Revision value.*/
        u32 revision;
+       u32 product_id;
+       u32 customer_id;
+       u32 eco_id;
 
        /* Supported feature fields. */
        u32 features;
-- 
2.24.1

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel