diff options
Diffstat (limited to 'target/linux/omap/patches-3.12/0752-video-da8xx-fb-fix-defect-with-vsync-callback-invoca.patch')
| -rw-r--r-- | target/linux/omap/patches-3.12/0752-video-da8xx-fb-fix-defect-with-vsync-callback-invoca.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/target/linux/omap/patches-3.12/0752-video-da8xx-fb-fix-defect-with-vsync-callback-invoca.patch b/target/linux/omap/patches-3.12/0752-video-da8xx-fb-fix-defect-with-vsync-callback-invoca.patch new file mode 100644 index 0000000..698ed39 --- /dev/null +++ b/target/linux/omap/patches-3.12/0752-video-da8xx-fb-fix-defect-with-vsync-callback-invoca.patch @@ -0,0 +1,43 @@ +From c99bd415829ef29adf71bb1e1b577650f10e93f5 Mon Sep 17 00:00:00 2001 +From: Darren Etheridge <detheridge@ti.com> +Date: Mon, 4 Nov 2013 12:27:40 -0600 +Subject: [PATCH 752/752] video/da8xx-fb fix defect with vsync callback + invocation + +Fix defect where SGX is running at half of the expected framerate. +The original patch (@ commit ID 9a1a810516ae9cb3259b898b6879901c5b44fa90) +seems to have a mistake where it only calls the callback +for the even or the odd frames depending on the revision of the LCD controller +This patch corrects this and invokes the callback for both odd and even frame +for just the Rev02 version of the LCDC (won't find an SGX GPU on a Rev01). + +Signed-off-by: Darren Etheridge <detheridge@ti.com> +--- + drivers/video/da8xx-fb.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c +index 212d2ac..d6825e4 100644 +--- a/drivers/video/da8xx-fb.c ++++ b/drivers/video/da8xx-fb.c +@@ -993,6 +993,8 @@ static irqreturn_t lcdc_irq_handler_rev02(int irq, void *arg) + LCD_DMA_FRM_BUF_CEILING_ADDR_1_REG); + par->vsync_flag = 1; + wake_up_interruptible(&par->vsync_wait); ++ if (vsync_cb_handler) ++ vsync_cb_handler(vsync_cb_arg); + } + + /* Set only when controller is disabled and at the end of +@@ -1058,8 +1060,6 @@ static irqreturn_t lcdc_irq_handler_rev01(int irq, void *arg) + LCD_DMA_FRM_BUF_CEILING_ADDR_1_REG); + par->vsync_flag = 1; + wake_up_interruptible(&par->vsync_wait); +- if (vsync_cb_handler) +- vsync_cb_handler(vsync_cb_arg); + } + } + +-- +1.7.10.4 + |