msm: kgsl: Disable shader memory dump during snapshot

Disabling shader memory dump for these chipsets(8974, 8x26, 8x10).

CRs-Fixed: 650035, 637989, 631728.

Change-Id: I3a56810147e16763eaf3131aa837ed535a447e69
Signed-off-by: Anupam Sakargayan <asakarga@codeaurora.org>
msm: kgsl: Disable index reg dump during snapshot

Disabling index reg dump for these chipsets (8974, 8x26, 8x10).

CRs-Fixed: 751620
Change-Id: Ie1014bd18b49692f718279cfe7abaed874a376af
Signed-off-by: Anupam Sakargayan <asakarga@codeaurora.org>
Revert "Revert to old lock"

This reverts commit 190343ed08078f4e5d59b71f14f27274477d9f08.
Revert "msm: kgsl: Device mutex lock for kgsl_cancel_event"

This reverts commit 3bef0ace141834eeb43ce23457fae1f5a0b0bf08.
msm: kgsl: Device mutex lock for kgsl_cmdbatch_destroy