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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>
pull/1112/head
Akhil P Oommen 2025-04-19 20:21:33 +05:30 committed by Rob Clark
parent 8e98a81da2
commit 19c17841e3
2 changed files with 11 additions and 0 deletions
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7
drivers/gpu/drm/msm/adreno/a6xx_gmu.c
View File

@ -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;

4
drivers/gpu/drm/msm/adreno/adreno_device.c
View File

@ -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;