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authorPankaj Dabade <pdabade@nvidia.com>2014-10-17 12:38:57 +0530
committerMatthew Pedro <mapedro@nvidia.com>2014-10-28 09:05:27 -0700
commit7a5aebfb401e2ac6db4104f15b4ffc79a7ac53e2 (patch)
treefdb0d9ba385a605cb0ff137c3aa03365001319a8 /drivers
parentea792ce96c51d67452810c46db6175c298700613 (diff)
tegra: hdmi: Add enable functionality to hotplug
Function handle_enable_l will notify virtual terminals about new hotplug, triggering notifier call chain to blank/unblank sequence. Bug 200045281 Change-Id: Iaa6cbf9ca201dd7ac5f390b79af1dae5eac8b3b0 Signed-off-by: Pankaj Dabade <pdabade@nvidia.com> Reviewed-on: http://git-master/r/558798 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Naveen Kumar S <nkumars@nvidia.com> Tested-by: Naveen Kumar S <nkumars@nvidia.com> Reviewed-by: Jeffery Yu <jefferyy@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: Venkat Moganty <vmoganty@nvidia.com> Reviewed-by: Matthew Pedro <mapedro@nvidia.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/tegra/dc/hdmi_state_machine.c25
-rw-r--r--drivers/video/tegra/fb.c17
2 files changed, 23 insertions, 19 deletions
diff --git a/drivers/video/tegra/dc/hdmi_state_machine.c b/drivers/video/tegra/dc/hdmi_state_machine.c
index a055c5c028ac..5389ff17b42c 100644
--- a/drivers/video/tegra/dc/hdmi_state_machine.c
+++ b/drivers/video/tegra/dc/hdmi_state_machine.c
@@ -24,6 +24,7 @@
#include <linux/kernel.h>
#include <mach/dc.h>
#include <mach/fb.h>
+#include <linux/console.h>
#ifdef CONFIG_SWITCH
#include <linux/switch.h>
#endif
@@ -172,6 +173,26 @@ static void hdmi_state_machine_handle_hpd_l(int cur_hpd)
* internal state handlers and dispatch table
*
************************************************************/
+static void handle_enable_l(struct tegra_dc_hdmi_data *hdmi)
+{
+ struct fb_event event;
+ struct fb_info *pfb = hdmi->dc->fb->info;
+ int blank = 1;
+
+ event.info = pfb;
+ event.data = &blank;
+
+ tegra_dc_enable(hdmi->dc);
+
+ console_lock();
+ /* blank */
+ fb_notifier_call_chain(FB_EVENT_BLANK, &event);
+ blank = 0;
+ /* unblank */
+ fb_notifier_call_chain(FB_EVENT_BLANK, &event);
+ console_unlock();
+}
+
static void hdmi_disable_l(struct tegra_dc_hdmi_data *hdmi)
{
#ifdef CONFIG_SWITCH
@@ -305,7 +326,7 @@ static void handle_check_edid_l(struct tegra_dc_hdmi_data *hdmi)
tegra_dc_io_end(hdmi->dc);
}
- hdmi_state_machine_set_state_l(HDMI_STATE_DONE_ENABLED, -1);
+ hdmi_state_machine_set_state_l(HDMI_STATE_DONE_ENABLED, 0);
return;
@@ -429,7 +450,7 @@ static const dispatch_func_t state_machine_dispatch[] = {
handle_check_plug_state_l, /* STATE_CHECK_PLUG_STATE */
handle_check_edid_l, /* STATE_CHECK_EDID */
NULL, /* STATE_DONE_DISABLED */
- NULL, /* STATE_DONE_ENABLED */
+ handle_enable_l, /* STATE_DONE_ENABLED */
handle_wait_for_hpd_reassert_l, /* STATE_DONE_WAIT_FOR_HPD_REASSERT */
handle_recheck_edid_l, /* STATE_DONE_RECHECK_EDID */
NULL, /* STATE_INIT_FROM_BOOTLOADER */
diff --git a/drivers/video/tegra/fb.c b/drivers/video/tegra/fb.c
index 33e1d7f76a08..72435db233e4 100644
--- a/drivers/video/tegra/fb.c
+++ b/drivers/video/tegra/fb.c
@@ -52,23 +52,6 @@
#define user_ptr(p) (p)
#endif
-struct tegra_fb_info {
- struct tegra_dc_win win;
- struct platform_device *ndev;
- struct fb_info *info;
- bool valid;
-
- struct resource *fb_mem;
-
- int xres;
- int yres;
- int curr_xoffset;
- int curr_yoffset;
-
- struct fb_videomode mode;
- phys_addr_t phys_start;
-};
-
/* palette array used by the fbcon */
static u32 pseudo_palette[16];