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gpu: nvgpu: GA10X_NEXT pulling GR1 out of reset

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This patch is to enable GR1 before resetting GR0
which is not visible to the driver.

Bug 3690950

Change-Id: I8a1907349f5a4354c6b7f95f9904b52738f51f00
Signed-off-by: atanand <atanand@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2758161
(cherry picked from commit 48d925cacf373a97dbdb031a109b83be3bfe2972)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2765635
Reviewed-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
atanand
2022-08-09 07:37:24 +00:00
committed by mobile promotions
parent cfc663a65d
commit f43897c940
5 changed files with 30 additions and 3 deletions
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10
drivers/gpu/nvgpu/common/grmgr/grmgr.c
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@@ -30,6 +30,7 @@
#include <nvgpu/engines.h>
#include <nvgpu/device.h>
#include <nvgpu/fbp.h>
#include <nvgpu/errata.h>
int nvgpu_init_gr_manager(struct gk20a *g)
{
@@ -211,6 +212,15 @@ int nvgpu_init_gr_manager(struct gk20a *g)
*/
if (g->mig.usable_gr_syspipe_instance_id[0U] ==
gr_dev->inst_id) {
/*
* Enable this errata for chip GA10X_NEXT.
*/
if (nvgpu_is_errata_present(g, NVGPU_ERRATA_3690950)) {
if (g->ops.mc.gr1_out_of_reset != NULL) {
g->ops.mc.gr1_out_of_reset(g, gr_dev->type, true);
}
}
continue;
}