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gpu: nvgpu: cond. compile with CONFIG_NV_TEGRA_MC

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Protect tegra MC code under the config flag CONFIG_NV_TEGRA_MC.

Bug 2834141

Change-Id: Ibb883ca69ea26467f095aca22552b1ad20279cd9
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2306434
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Sagar Kamble
2020-03-02 22:15:41 +05:30
committed by Alex Waterman
parent 1f6dfb54d1
commit f91495c41d
1 changed files with 11 additions and 0 deletions
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11
drivers/gpu/nvgpu/os/linux/platform_gk20a_tegra.c
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@@ -26,7 +26,11 @@
#include <linux/tegra_soctherm.h>
#endif
#include <linux/platform/tegra/common.h>
#ifdef CONFIG_NV_TEGRA_MC
#include <linux/platform/tegra/mc.h>
#endif /* CONFIG_NV_TEGRA_MC */
#include <linux/clk/tegra.h>
#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_TEGRA_DVFS)
@@ -322,6 +326,7 @@ static int gm20b_tegra_railgate(struct device *dev)
struct gk20a_platform *platform = dev_get_drvdata(dev);
int ret = 0;
#ifdef CONFIG_NV_TEGRA_MC
#ifdef CONFIG_TEGRA_DVFS
if (nvgpu_is_enabled(g, NVGPU_IS_FMODEL) ||
!tegra_dvfs_is_rail_up(platform->gpu_rail))
@@ -371,6 +376,10 @@ static int gm20b_tegra_railgate(struct device *dev)
return 0;
#else
ret = -ENOTSUP;
#endif /* CONFIG_NV_TEGRA_MC */
err_power_off:
nvgpu_err(platform->g, "Could not railgate GPU");
return ret;
@@ -453,12 +462,14 @@ static int gm20b_tegra_unrailgate(struct device *dev)
platform->reset_deassert(dev);
clk_enable(platform->clk_reset);
#ifdef CONFIG_NV_TEGRA_MC
/* Flush MC after boot/railgate/SC7 */
tegra_mc_flush(MC_CLIENT_GPU);
udelay(10);
tegra_mc_flush_done(MC_CLIENT_GPU);
#endif
udelay(10);