On 10/2/2026 8:08 PM, Bjorn Andersson wrote:
> On Sat, May 16, 2026 at 01:37:51AM +0530, Akhil P Oommen wrote:
>> Add the CLX domain table and the IFF/PCLX limits tables to the catalog to
>> enable CLX feature support on Adreno X2-85 GPU present in the Glymur
>> chipset.
>>
>
> This patch landed in next-20261001 and while it works on my Glymur CRD
> (COB), on the Asus Zenbook A14 I see the following failure during boot:
>
> [ 4.843643] platform 3d6c000.gmu: [drm:a6xx_hfi_wait_for_msg_interrupt
> [msm]] *ERROR* Message HFI_H2F_MSG_GX_BW_PERF_VOTE id 11 timed out waiting
> for response
> [ 4.853804] platform 3d6c000.gmu: [drm:a6xx_gmu_set_oob [msm]] *ERROR*
> Timeout waiting for GMU OOB set GPU_SET: 0x4
> [ 4.853878] msm_dpu ae01000.display-controller: [drm:adreno_load_gpu
> [msm]] *ERROR* gpu hw init failed: -110
> [ 4.863980] platform 3d6c000.gmu: [drm:a6xx_gmu_set_oob [msm]] *ERROR*
> Timeout waiting for GMU OOB set GPU_SET: 0x4
> [ 4.864038] platform 3d6c000.gmu: [drm:a6xx_hfi_stop [msm]] *ERROR* HFI
> queue 2 is not empty
> [ 5.128548] ------------[ cut here ]------------
>
> And then as one can expect there's no more GPU.
>
> Reverting this single patch makes next-20261001 work again.
>
> #regzb introduced: 93b6c8d10fad ("drm/msm/a8xx: Enable CLX feature on Adreno
> X2-85")
Could you please try this fix?
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index 662f09bec9d5..52cd60272870 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -1241,8 +1241,12 @@ static int a6xx_gmu_secure_init(struct a6xx_gpu
*a6xx_gpu)
goto done;
}
- ret = qcom_scm_gpu_init_regs(QCOM_SCM_GPU_ALWAYS_EN_REQ |
- QCOM_SCM_GPU_TSENSE_EN_REQ);
+ u32 gpu_req = QCOM_SCM_GPU_ALWAYS_EN_REQ |
QCOM_SCM_GPU_TSENSE_EN_REQ;
+
+ if (adreno_gpu->info->a6xx->clx_tbl)
+ gpu_req |= QCOM_SCM_GPU_CLX_EN_REQ;
+
+ ret = qcom_scm_gpu_init_regs(gpu_req);
if (ret) {
dev_warn_once(gpu->dev->dev,
"SCM call failed\n");
>
> Regards,
> Bjorn
>
>> Signed-off-by: Akhil P Oommen <[email protected]>
>> ---
>> drivers/gpu/drm/msm/adreno/a6xx_catalog.c | 86
>> +++++++++++++++++++++++++++++++
>> 1 file changed, 86 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
>> b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
>> index c503912a61c7..9ad13eb173de 100644
>> --- a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
>> +++ b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
>> @@ -1799,6 +1799,90 @@ static const struct adreno_reglist_pipe
>> x285_dyn_pwrup_reglist_regs[] = {
>> };
>> DECLARE_ADRENO_REGLIST_PIPE_LIST(x285_dyn_pwrup_reglist);
>>
>> +static const struct a6xx_hfi_clx_table_v2_cmd x285_clx_tbl = {
>> + .version = (2 << 16) | 1,
>> + .domain = {
>> + /* GX DOMAIN */
>> + {
>> + .data = CLX_DATA(60, 11, 0, 1),
>> + .clxt = 0,
>> + .clxh = 0,
>> + .urg_mode = 1,
>> + .lkg_en = 0,
>> + .curr_budget = 100,
>> + },
>> + /* MXG DOMAIN */
>> + {
>> + .data = CLX_DATA(60, 3, 1, 1),
>> + .clxt = 0,
>> + .clxh = 0,
>> + .urg_mode = 1,
>> + .lkg_en = 0,
>> + .curr_budget = 100,
>> + },
>> + },
>> +};
>> +
>> +struct a6xx_hfi_limits_tbl x285_limits_tbl[] = {
>> + {
>> + .feature_id = GMU_MIT_IFF,
>> + .domain = GMU_GX_DOMAIN,
>> + .feature_rev = 0,
>> + .cfg = {
>> + .enable = 1,
>> + .msg_path = 0,
>> + .lkg_en = 0,
>> + .mode = 0,
>> + .sid = 12,
>> + .mit_time = 5,
>> + .curr_limit = 18000,
>> + },
>> + },
>> + {
>> + .feature_id = GMU_MIT_IFF,
>> + .domain = GMU_MX_DOMAIN,
>> + .feature_rev = 0,
>> + .cfg = {
>> + .enable = 1,
>> + .msg_path = 0,
>> + .lkg_en = 0,
>> + .mode = 0,
>> + .sid = 18,
>> + .mit_time = 2000,
>> + .curr_limit = 6000,
>> + },
>> + },
>> + {
>> + .feature_id = GMU_MIT_PCLX,
>> + .domain = GMU_GX_DOMAIN,
>> + .feature_rev = 0,
>> + .cfg = {
>> + .enable = 1,
>> + .msg_path = 0,
>> + .lkg_en = 0,
>> + .mode = 0,
>> + .sid = 6,
>> + .mit_time = 3,
>> + .curr_limit = 66000,
>> + },
>> + },
>> + {
>> + .feature_id = GMU_MIT_PCLX,
>> + .domain = GMU_MX_DOMAIN,
>> + .feature_rev = 0,
>> + .cfg = {
>> + .enable = 0,
>> + .msg_path = 0,
>> + .lkg_en = 0,
>> + .mode = 0,
>> + .sid = 6,
>> + .mit_time = 3,
>> + .curr_limit = 18000,
>> + },
>> + },
>> +};
>> +DECLARE_ADRENO_LIMITS_TABLE(x285_limits);
>> +
>> static const struct adreno_reglist_pipe a840_nonctxt_regs[] = {
>> { REG_A8XX_CP_SMMU_STREAM_ID_LPAC, 0x00000101, BIT(PIPE_NONE) },
>> { REG_A8XX_GRAS_DBG_ECO_CNTL, 0x00000800, BIT(PIPE_BV) | BIT(PIPE_BR) },
>> @@ -2227,6 +2311,8 @@ static const struct adreno_info a8xx_gpus[] = {
>> },
>> { /* sentinel */ },
>> },
>> + .clx_tbl = &x285_clx_tbl,
>> + .limits_tbl = &x285_limits,
>> },
>> .speedbins = ADRENO_SPEEDBINS(
>> { 0, 0 },
>>
>> --
>> 2.51.0
>>
>>
-Akhil
