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| author | Akhil P Oommen <quic_akhilpo@quicinc.com> | 2025-04-19 17:51:33 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2025-05-04 19:20:29 +0300 |
| commit | 19c17841e3b62f45b01ae33db43de1a24e186adb (patch) | |
| tree | 2dcdc7cd5a01bf722c791d9d2a392289235a6a4e | |
| parent | 8e98a81da283b9d2ca140b2bdd3767677e875ff3 (diff) | |
| download | linux-19c17841e3b62f45b01ae33db43de1a24e186adb.tar.xz | |
drm/msm/adreno: Add module param to disable ACD
Add a module param to disable ACD which will help to quickly rule it
out for any GPU issues.
Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Tested-by: Maya Matuszczyk <maccraft123mc@gmail.com>
Tested-by: Anthony Ruhier <aruhier@mailbox.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/649349/
Signed-off-by: Rob Clark <robdclark@chromium.org>
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_device.c | 4 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index 48b4ca8894ba..38c0f8ef85c3 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -1670,6 +1670,13 @@ static int a6xx_gmu_acd_probe(struct a6xx_gmu *gmu) struct adreno_gpu *adreno_gpu = &a6xx_gpu->base; struct msm_gpu *gpu = &adreno_gpu->base; int ret, i, cmd_idx = 0; + extern bool disable_acd; + + /* Skip ACD probe if requested via module param */ + if (disable_acd) { + DRM_DEV_ERROR(gmu->dev, "Skipping GPU ACD probe\n"); + return 0; + } cmd->version = 1; cmd->stride = 1; diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 236b25c094cd..f5e1490d07c1 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -24,6 +24,10 @@ int enable_preemption = -1; MODULE_PARM_DESC(enable_preemption, "Enable preemption (A7xx only) (1=on , 0=disable, -1=auto (default))"); module_param(enable_preemption, int, 0600); +bool disable_acd; +MODULE_PARM_DESC(disable_acd, "Forcefully disable GPU ACD"); +module_param_unsafe(disable_acd, bool, 0400); + extern const struct adreno_gpulist a2xx_gpulist; extern const struct adreno_gpulist a3xx_gpulist; extern const struct adreno_gpulist a4xx_gpulist; |