Changes the calls of mdelay to msleep in the driver file mdfld_dsi_pkg_sender.c in order to prevent CPU busy looping in order to save CPU cycles as this is considered bad form over sleeping the CPU for high resolution timer function calls as this driver needs in order to function properly.
Signed-off-by: Nicholas Krause xerofoify@gmail.com --- drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c index 87885d8..77c656a 100644 --- a/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c +++ b/drivers/gpu/drm/gma500/mdfld_dsi_pkg_sender.c @@ -335,13 +335,11 @@ static int send_pkg_prepare(struct mdfld_dsi_pkg_sender *sender, u8 data_type,
/*wait for 120 milliseconds in case exit_sleep_mode just be sent*/ if (unlikely(cmd == DCS_ENTER_SLEEP_MODE)) { - /*TODO: replace it with msleep later*/ - mdelay(120); + msleep(120); }
if (unlikely(cmd == DCS_EXIT_SLEEP_MODE)) { - /*TODO: replace it with msleep later*/ - mdelay(120); + msleep(120); } return 0; } @@ -364,15 +362,12 @@ static int send_pkg_done(struct mdfld_dsi_pkg_sender *sender, u8 data_type, /*update panel status*/ if (unlikely(cmd == DCS_ENTER_SLEEP_MODE)) { sender->panel_mode |= MDFLD_DSI_PANEL_MODE_SLEEP; - /*TODO: replace it with msleep later*/ - mdelay(120); + msleep(120); } else if (unlikely(cmd == DCS_EXIT_SLEEP_MODE)) { sender->panel_mode &= ~MDFLD_DSI_PANEL_MODE_SLEEP; - /*TODO: replace it with msleep later*/ - mdelay(120); + msleep(120); } else if (unlikely(cmd == DCS_SOFT_RESET)) { - /*TODO: replace it with msleep later*/ - mdelay(5); + msleep(5); }
sender->status = MDFLD_DSI_PKG_SENDER_FREE;