msm: kgsl: Only snapshot GMU on GMU boot failure
GMU boot failure is a special case so treat it as one.
Since most of adreno is not yet up and running there is no
point in trying to snapshot it all.
Dump as much GMU information as is possible and then return.
Change-Id: I8ad9b8406a7518d2c7fe76292843b4cda8e89ecd
Signed-off-by: Carter Cooper <ccooper@codeaurora.org>
diff --git a/drivers/gpu/msm/adreno_a6xx_snapshot.c b/drivers/gpu/msm/adreno_a6xx_snapshot.c
index 80c9a61..f63e824d 100644
--- a/drivers/gpu/msm/adreno_a6xx_snapshot.c
+++ b/drivers/gpu/msm/adreno_a6xx_snapshot.c
@@ -1471,10 +1471,18 @@
}
}
-static void a6xx_snapshot_gmu(struct kgsl_device *device,
+/*
+ * a6xx_snapshot_gmu() - A6XX GMU snapshot function
+ * @adreno_dev: Device being snapshotted
+ * @snapshot: Pointer to the snapshot instance
+ *
+ * This is where all of the A6XX GMU specific bits and pieces are grabbed
+ * into the snapshot memory
+ */
+void a6xx_snapshot_gmu(struct adreno_device *adreno_dev,
struct kgsl_snapshot *snapshot)
{
- struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
+ struct kgsl_device *device = KGSL_DEVICE(adreno_dev);
struct adreno_gpudev *gpudev = ADRENO_GPU_DEVICE(adreno_dev);
if (!kgsl_gmu_isenabled(device))
@@ -1571,16 +1579,11 @@
struct adreno_snapshot_data *snap_data = gpudev->snapshot_data;
bool sptprac_on;
- /* GMU TCM data dumped through AHB */
- a6xx_snapshot_gmu(device, snapshot);
-
sptprac_on = gpudev->sptprac_is_on(adreno_dev);
/* Return if the GX is off */
- if (!gpudev->gx_is_on(adreno_dev)) {
- pr_err("GX is off. Only dumping GMU data in snapshot\n");
+ if (!gpudev->gx_is_on(adreno_dev))
return;
- }
/* Dump the registers which get affected by crash dumper trigger */
kgsl_snapshot_add_section(device, KGSL_SNAPSHOT_SECTION_REGS,