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drm/tegra: Support client get_rate for OFA

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When actmon reports the client usage information, it will call the
get_rate callback provided by the client, and divide the number of
sampled active clock cycles from the actmon counter register with the
current client rate to determine the client usage value.

Bug 4338396

Signed-off-by: Johnny Liu <johnliu@nvidia.com>
Change-Id: I5e3f69b8ed1d90407fe0b8202e7c9cde75a0dd30
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3000330
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Johnny Liu
2023-10-19 07:29:38 +00:00
committed by mobile promotions
parent cbde6ba274
commit 1a32649b75
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/tegra/ofa.c
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@@ -164,9 +164,17 @@ static int ofa_exit(struct host1x_client *client)
return 0; return 0;
} }
static unsigned long ofa_get_rate(struct host1x_client *client)
{
struct ofa *ofa = dev_get_drvdata(client->dev);
return clk_get_rate(ofa->clk);
}
static const struct host1x_client_ops ofa_client_ops = { static const struct host1x_client_ops ofa_client_ops = {
.init = ofa_init, .init = ofa_init,
.exit = ofa_exit, .exit = ofa_exit,
.get_rate = ofa_get_rate,
}; };
static int ofa_load_firmware(struct ofa *ofa) static int ofa_load_firmware(struct ofa *ofa)