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Subject[PATCH 3/5] drm/msm/a6xx: Add support for 7c3 SKUs
Date
Add support for 7c3 SKU detection using speedbin fuse.

Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
---

drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 17cfad64..f308a3f 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -1736,6 +1736,18 @@ static u32 a618_get_speed_bin(u32 fuse)
return UINT_MAX;
}

+static u32 adreno_7c3_get_speed_bin(u32 fuse)
+{
+ if (fuse == 0)
+ return 0;
+ else if (fuse == 117)
+ return 0;
+ else if (fuse == 190)
+ return 1;
+
+ return UINT_MAX;
+}
+
static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse)
{
u32 val = UINT_MAX;
@@ -1743,6 +1755,9 @@ static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse)
if (adreno_cmp_rev(ADRENO_REV(6, 1, 8, ANY_ID), rev))
val = a618_get_speed_bin(fuse);

+ if (adreno_cmp_rev(ADRENO_REV(6, 3, 5, ANY_ID), rev))
+ val = adreno_7c3_get_speed_bin(fuse);
+
if (val == UINT_MAX) {
DRM_DEV_ERROR(dev,
"missing support for speed-bin: %u. Some OPPs may not be supported by hardware",
--
2.7.4
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