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gpu: nvgpu: add SLCG support for GSP and CTRL unit

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Add SLCG register programming for GSP and CTRL units

Bug 3452217

Change-Id: I69e414a82b5c12f26ff3b6626c328b5c0aa9e04c
Signed-off-by: Divya <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2678782
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Divya
2022-03-09 09:32:04 +00:00
committed by mobile promotions
parent e9563e40d1
commit 201b5c1c7f
6 changed files with 96 additions and 1 deletions
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10
drivers/gpu/nvgpu/common/init/nvgpu_init.c
View File

@@ -660,6 +660,13 @@ static int nvgpu_init_cg_ltc_load_gating_prod(struct gk20a *g)
return 0;
}
static int nvgpu_init_cg_ctrl_load_gating_prod(struct gk20a *g)
{
nvgpu_cg_slcg_ctrl_load_enable(g, true);
return 0;
}
static int nvgpu_ipa_pa_rwsem_init(struct gk20a *g)
{
nvgpu_rwsem_init(&(g->ipa_pa_cache.ipa_pa_rw_lock));
@@ -910,6 +917,9 @@ int nvgpu_finalize_poweron(struct gk20a *g)
*/
NVGPU_INIT_TABLE_ENTRY(&nvgpu_init_cg_ltc_load_gating_prod,
NO_FLAG),
/* Load SLCG for CTRL unit */
NVGPU_INIT_TABLE_ENTRY(&nvgpu_init_cg_ctrl_load_gating_prod,
NO_FLAG),
#ifdef CONFIG_NVGPU_DGPU
NVGPU_INIT_TABLE_ENTRY(g->ops.sec2.init_sec2_support,
NVGPU_SUPPORT_SEC2_RTOS),

38
drivers/gpu/nvgpu/common/power_features/cg/cg.c
View File

@@ -343,6 +343,38 @@ done:
}
#endif
void nvgpu_cg_slcg_gsp_load_enable(struct gk20a *g, bool enable)
{
nvgpu_log_fn(g, " ");
nvgpu_mutex_acquire(&g->cg_pg_lock);
if (!g->slcg_enabled) {
goto done;
}
if (g->ops.cg.slcg_gsp_load_gating_prod != NULL) {
g->ops.cg.slcg_gsp_load_gating_prod(g, enable);
}
done:
nvgpu_mutex_release(&g->cg_pg_lock);
}
void nvgpu_cg_slcg_ctrl_load_enable(struct gk20a *g, bool enable)
{
nvgpu_log_fn(g, " ");
nvgpu_mutex_acquire(&g->cg_pg_lock);
if (!g->slcg_enabled) {
goto done;
}
if (g->ops.cg.slcg_ctrl_load_gating_prod != NULL) {
g->ops.cg.slcg_ctrl_load_gating_prod(g, enable);
}
done:
nvgpu_mutex_release(&g->cg_pg_lock);
}
static void cg_init_gr_slcg_load_gating_prod(struct gk20a *g)
{
if (g->ops.cg.slcg_bus_load_gating_prod != NULL) {
@@ -656,6 +688,12 @@ void nvgpu_cg_slcg_set_slcg_enabled(struct gk20a *g, bool enable)
if (g->ops.cg.slcg_hshub_load_gating_prod != NULL) {
g->ops.cg.slcg_hshub_load_gating_prod(g, enable);
}
if (g->ops.cg.slcg_ctrl_load_gating_prod != NULL) {
g->ops.cg.slcg_ctrl_load_gating_prod(g, enable);
}
if (g->ops.cg.slcg_gsp_load_gating_prod != NULL) {
g->ops.cg.slcg_gsp_load_gating_prod(g, enable);
}
done:
nvgpu_mutex_release(&g->cg_pg_lock);