diff options
| author | Rakesh Iyer <riyer@nvidia.com> | 2012-06-19 17:52:52 -0700 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-07-01 09:15:00 -0700 |
| commit | 42b6ed043eb443b5a8e1de576aac124c3bcba4cb (patch) | |
| tree | 8562ca8e4d3a6a68f8989d62f0db6885142b94c4 /arch/arm/mach-tegra/board-cardhu-panel.c | |
| parent | 39885f81c383e7df335753730d12e1c293af9b0c (diff) | |
ARM: tegra: cardhu: power management fix for E1506 panel
Fix for power up/down sequencing for 720p DSI panel on the E1506.
Bug 997484.
Change-Id: Ia65e20b96da3bad0703136839eaf0394f9c7b364
Signed-off-by: Rakesh Iyer <riyer@nvidia.com>
Reviewed-on: http://git-master/r/109918
(cherry picked from commit c6f7033ddbc18a4b780620d1e7d65fe2ce5e4108)
Reviewed-on: http://git-master/r/111945
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Animesh Kishore <ankishore@nvidia.com>
Reviewed-by: Jon Mayo <jmayo@nvidia.com>
GVS: Gerrit_Virtual_Submit
Diffstat (limited to 'arch/arm/mach-tegra/board-cardhu-panel.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-cardhu-panel.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/arch/arm/mach-tegra/board-cardhu-panel.c b/arch/arm/mach-tegra/board-cardhu-panel.c index 2a9e5201061a..4fde792269cc 100644 --- a/arch/arm/mach-tegra/board-cardhu-panel.c +++ b/arch/arm/mach-tegra/board-cardhu-panel.c @@ -137,7 +137,6 @@ static tegra_dc_bl_output cardhu_bl_output_measured = { static p_tegra_dc_bl_output bl_output = cardhu_bl_output_measured; -static bool kernel_1st_panel_init = true; static bool is_panel_218; static bool is_panel_219; static bool is_panel_1506; @@ -802,7 +801,7 @@ static int cardhu_dsi_panel_enable(void) } gpio_set_value(e1506_dsi_vddio, 1); - mdelay(10); + mdelay(1); gpio_set_value(e1506_panel_enb, 1); mdelay(10); gpio_set_value(e1506_bl_enb, 1); @@ -881,15 +880,12 @@ static int cardhu_dsi_panel_disable(void) } else if (is_panel_1506) { tegra_gpio_disable(e1506_bl_enb); gpio_free(e1506_bl_enb); + tegra_gpio_disable(cardhu_dsi_pnl_reset); + gpio_free(cardhu_dsi_pnl_reset); tegra_gpio_disable(e1506_panel_enb); gpio_free(e1506_panel_enb); tegra_gpio_disable(e1506_dsi_vddio); gpio_free(e1506_dsi_vddio); - if (kernel_1st_panel_init != true) { - tegra_gpio_disable(cardhu_dsi_pnl_reset); - gpio_free(cardhu_dsi_pnl_reset); - } else - kernel_1st_panel_init = false; } return err; } @@ -970,6 +966,12 @@ static struct tegra_dsi_cmd dsi_suspend_cmd[] = { DSI_DLY_MS(5), }; +static struct tegra_dsi_cmd dsi_suspend_cmd_1506[] = { + DSI_CMD_SHORT(0x05, 0x28, 0x00), + DSI_CMD_SHORT(0x05, 0x10, 0x00), + DSI_DLY_MS(120), +}; + struct tegra_dsi_out cardhu_dsi = { .n_data_lanes = 2, .pixel_format = TEGRA_DSI_PIXEL_FORMAT_24BIT_P, @@ -1256,6 +1258,8 @@ static void cardhu_panel_preinit(void) cardhu_dsi.n_init_cmd = ARRAY_SIZE(dsi_init_cmd); cardhu_dsi.dsi_init_cmd = dsi_init_cmd; + cardhu_dsi.n_suspend_cmd = ARRAY_SIZE(dsi_suspend_cmd); + cardhu_dsi.dsi_suspend_cmd = dsi_suspend_cmd; if (is_panel_218) { cardhu_disp1_out.modes = cardhu_dsi_modes_218; @@ -1275,6 +1279,10 @@ static void cardhu_panel_preinit(void) ARRAY_SIZE(cardhu_dsi_modes_1506); cardhu_dsi.n_init_cmd = ARRAY_SIZE(dsi_init_cmd_1506); cardhu_dsi.dsi_init_cmd = dsi_init_cmd_1506; + cardhu_dsi.n_suspend_cmd = + ARRAY_SIZE(dsi_suspend_cmd_1506); + cardhu_dsi.dsi_suspend_cmd = dsi_suspend_cmd_1506; + cardhu_dsi.panel_send_dc_frames = true, cardhu_dsi_fb_data.xres = 720; cardhu_dsi_fb_data.yres = 1280; } |