Commit 63899a73 authored by Konrad Dybcio's avatar Konrad Dybcio Committed by Rob Clark
Browse files

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



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

Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: default avatarKonrad 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: default avatarRob Clark <robdclark@chromium.org>
parent 9a06cd9a

drivers/gpu/drm/msm/adreno/a6xx_gpu.c

+18 −0
Original line number Diff line number Diff line
@@ -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",