github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-29 17:43:52 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/msm/a6xx: Add support for A650 speed binning

Browse Source 
Add support for matching QFPROM fuse values to get the correct speed bin
on A650 (SM8250) GPUs.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/530043/
Link: https://lore.kernel.org/r/20230331-topic-konahana_speedbin-v3-2-2dede22dd7f7@linaro.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Konrad Dybcio 2023-03-31 03:14:50 +02:00 committed by Rob Clark
parent 9a06cd9a0f
commit 63899a7319
1 changed files with 18 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/gpu/drm/msm/adreno/a6xx_gpu.c
View File

@ -1847,6 +1847,21 @@ 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)
@ -1875,6 +1890,9 @@ 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",