diff options
| author | Jihoon Bang <jbang@nvidia.com> | 2012-06-19 16:12:00 -0700 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2012-09-10 14:29:24 -0700 |
| commit | 678708d95daa7d29ad5f49944f1b5385e3f27401 (patch) | |
| tree | 4912060fee7348e127a9ee123d9e58d6401556f6 /arch/arm/mach-tegra/board-cardhu.c | |
| parent | 30b0fef255afc76c510b8ccb6f3a517cdb82f9c8 (diff) | |
WAR: gr3d: limit 3d clock when camera is on
As WAR, limit 3d clock frequency and emc clock frequency
when camera is on and chip is AP37. 3d clock is set to
361MHz and 437MHz is requested for emc clock with this
change. This change allows 3d to request 1.1V in Core
instead of 1.3V in AP37.
Bug 1001262
Bug 1019309
Change-Id: I9f46f93d8da0fcf5afe05839177bf0d6e43a5840
Signed-off-by: Jihoon Bang <jbang@nvidia.com>
Reviewed-on: http://git-master/r/130945
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Tested-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/board-cardhu.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-cardhu.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-cardhu.c b/arch/arm/mach-tegra/board-cardhu.c index d2b996009165..e0b84ae06976 100644 --- a/arch/arm/mach-tegra/board-cardhu.c +++ b/arch/arm/mach-tegra/board-cardhu.c @@ -45,6 +45,7 @@ #include <sound/wm8903.h> #include <sound/max98095.h> #include <media/tegra_dtv.h> +#include <media/tegra_camera.h> #include <mach/clk.h> #include <mach/iomap.h> @@ -628,11 +629,28 @@ static void __init cardhu_uart_init(void) ARRAY_SIZE(cardhu_uart_devices)); } +static struct tegra_camera_platform_data tegra_camera_pdata = { + .limit_3d_emc_clk = false, +}; + static struct platform_device tegra_camera = { .name = "tegra_camera", + .dev = { + .platform_data = &tegra_camera_pdata, + }, .id = -1, }; +static void tegra_camera_init(void) +{ + /* For AP37 platform, limit 3d and emc freq when camera is ON */ + if (TEGRA_REVISION_A03 == tegra_get_revision() && + 0xA0 == tegra_sku_id()) + tegra_camera_pdata.limit_3d_emc_clk = true; + else + tegra_camera_pdata.limit_3d_emc_clk = false; +} + static struct platform_device *cardhu_spi_devices[] __initdata = { &tegra_spi_device4, }; @@ -1422,6 +1440,7 @@ static void __init tegra_cardhu_init(void) cardhu_edp_init(); #endif cardhu_uart_init(); + tegra_camera_init(); platform_add_devices(cardhu_devices, ARRAY_SIZE(cardhu_devices)); tegra_ram_console_debug_init(); tegra_io_dpd_init(); |