From 9a06cd9a0fd7e418545b0ee4ae208163d7708037 Mon Sep 17 00:00:00 2001 From: Konrad Dybcio Date: Fri, 31 Mar 2023 03:14:49 +0200 Subject: drm/msm/a6xx: Add support for A640 speed binning Add support for matching QFPROM fuse values to get the correct speed bin on A640 (SM8150) GPUs. Reviewed-by: Akhil P Oommen Signed-off-by: Konrad Dybcio Patchwork: https://patchwork.freedesktop.org/patch/530042/ Link: https://lore.kernel.org/r/20230331-topic-konahana_speedbin-v3-1-2dede22dd7f7@linaro.org Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'drivers/gpu/drm/msm/adreno') diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 07f360ef7920..54f444ba4857 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1837,6 +1837,16 @@ static u32 a619_get_speed_bin(u32 fuse) return UINT_MAX; } +static u32 a640_get_speed_bin(u32 fuse) +{ + if (fuse == 0) + return 0; + else if (fuse == 1) + return 1; + + return UINT_MAX; +} + static u32 adreno_7c3_get_speed_bin(u32 fuse) { if (fuse == 0) @@ -1862,6 +1872,9 @@ static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse) if (adreno_cmp_rev(ADRENO_REV(6, 3, 5, ANY_ID), rev)) val = adreno_7c3_get_speed_bin(fuse); + if (adreno_cmp_rev(ADRENO_REV(6, 4, 0, ANY_ID), rev)) + val = a640_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", -- cgit v1.2.1