Add support for matching QFPROM fuse values to get the correct speed bin
on A650 (SM8250) GPUs.
Reviewed-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dyb...@linaro.org>
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 663090973c1b..2afc160cf06a 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -1900,6 +1900,21 @@ static u32 a640_get_speed_bin(u32 fuse)
return UINT_MAX;
}
+static u32 a650_get_speed_bin(u32 fuse)
+{
+ if (fuse == 0)
+ return 0;
+ else if (fuse == 1)
+ return 1;
+ /* Yep, 2 and 3 are swapped! :/ */
+ else if (fuse == 2)
+ return 3;
+ else if (fuse == 3)
+ return 2;
+
+ return UINT_MAX;
+}
+
static u32 adreno_7c3_get_speed_bin(u32 fuse)
{
if (fuse == 0)
@@ -1928,6 +1943,9 @@ static u32 fuse_to_supp_hw(struct device *dev, struct
adreno_rev rev, u32 fuse)
if (adreno_cmp_rev(ADRENO_REV(6, 4, 0, ANY_ID), rev))
val = a640_get_speed_bin(fuse);
+ if (adreno_cmp_rev(ADRENO_REV(6, 5, 0, ANY_ID), rev))
+ val = a650_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\n",
--
2.40.0
