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path: root/drivers/video/auo_k1901fb.c
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Diffstat (limited to 'drivers/video/auo_k1901fb.c')
-rw-r--r--drivers/video/auo_k1901fb.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/video/auo_k1901fb.c b/drivers/video/auo_k1901fb.c
index d1db1653cd88..12b9adcb75c5 100644
--- a/drivers/video/auo_k1901fb.c
+++ b/drivers/video/auo_k1901fb.c
@@ -101,9 +101,12 @@
static void auok1901_init(struct auok190xfb_par *par)
{
+ struct device *dev = par->info->device;
struct auok190x_board *board = par->board;
u16 init_param = 0;
+ pm_runtime_get_sync(dev);
+
init_param |= AUOK190X_INIT_INVERSE_WHITE;
init_param |= AUOK190X_INIT_FORMAT0;
init_param |= AUOK1901_INIT_RESOLUTION(par->resolution);
@@ -113,6 +116,9 @@ static void auok1901_init(struct auok190xfb_par *par)
/* let the controller finish */
board->wait_for_rdy(par);
+
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
}
static void auok1901_update_region(struct auok190xfb_par *par, int mode,
@@ -121,6 +127,7 @@ static void auok1901_update_region(struct auok190xfb_par *par, int mode,
struct device *dev = par->info->device;
unsigned char *buf = (unsigned char *)par->info->screen_base;
int xres = par->info->var.xres;
+ int line_length = par->info->fix.line_length;
u16 args[5];
pm_runtime_get_sync(dev);
@@ -139,9 +146,9 @@ static void auok1901_update_region(struct auok190xfb_par *par, int mode,
args[1] = y1 + 1;
args[2] = xres;
args[3] = y2 - y1;
- buf += y1 * xres;
+ buf += y1 * line_length;
auok190x_send_cmdargs_pixels_nowait(par, AUOK1901_CMD_DMA_START, 4,
- args, ((y2 - y1) * xres)/2,
+ args, ((y2 - y1) * line_length)/2,
(u16 *) buf);
auok190x_send_command_nowait(par, AUOK190X_CMD_DATA_STOP);