msm-fb: display: mdp clock scaling clean up
clean up of clock scaling code to organize it better
Signed-off-by: Nagamalleswararao Ganji <nganji@codeaurora.org>
diff --git a/drivers/video/msm/mdp4_overlay.c b/drivers/video/msm/mdp4_overlay.c
index 0f4d330..831a16b 100644
--- a/drivers/video/msm/mdp4_overlay.c
+++ b/drivers/video/msm/mdp4_overlay.c
@@ -99,6 +99,7 @@
static struct mdp4_overlay_ctrl *ctrl = &mdp4_overlay_db;
static int new_perf_level;
+
/* static array with index 0 for unset status and 1 for set status */
static bool overlay_status[MDP4_OVERLAY_TYPE_MAX];
@@ -1896,10 +1897,6 @@
#define OVERLAY_VGA_SIZE 0x04B000
#define OVERLAY_720P_TILE_SIZE 0x0E6000
#define OVERLAY_WSVGA_SIZE 0x98000 /* 1024x608, align 600 to 32bit */
-#define OVERLAY_PERF_LEVEL1 1
-#define OVERLAY_PERF_LEVEL2 2
-#define OVERLAY_PERF_LEVEL3 3
-#define OVERLAY_PERF_LEVEL4 4
#ifdef CONFIG_MSM_BUS_SCALING
#define OVERLAY_BUS_SCALE_TABLE_BASE 6
@@ -1929,6 +1926,9 @@
if (req->is_fg && ((req->alpha & 0x0ff) == 0xff))
is_fg = 1;
+ if (mdp4_extn_disp)
+ return OVERLAY_PERF_LEVEL1;
+
if (req->flags & MDP_DEINTERLACE)
return OVERLAY_PERF_LEVEL1;
@@ -1950,13 +1950,24 @@
return OVERLAY_PERF_LEVEL1;
}
+void mdp4_update_perf_level(u32 perf_level)
+{
+ new_perf_level = perf_level;
+}
+
void mdp4_set_perf_level(void)
{
static int old_perf_level;
+ int cur_perf_level;
- if (old_perf_level != new_perf_level) {
- mdp_set_core_clk(new_perf_level);
- old_perf_level = new_perf_level;
+ if (mdp4_extn_disp)
+ cur_perf_level = OVERLAY_PERF_LEVEL1;
+ else
+ cur_perf_level = new_perf_level;
+
+ if (old_perf_level != cur_perf_level) {
+ mdp_set_core_clk(cur_perf_level);
+ old_perf_level = cur_perf_level;
}
}
@@ -2046,9 +2057,8 @@
mdp4_overlay_status_write(MDP4_OVERLAY_TYPE_SET, true);
}
-
if (new_perf_level != perf_level) {
- new_perf_level = perf_level;
+ mdp4_update_perf_level(perf_level);
/* change clck base on perf level */
flags = pipe->flags;
@@ -2175,7 +2185,7 @@
if (!(ctrl->ov_pipe[OVERLAY_PIPE_VG1].ref_cnt +
ctrl->ov_pipe[OVERLAY_PIPE_VG2].ref_cnt))
- new_perf_level = OVERLAY_PERF_LEVEL4;
+ mdp4_update_perf_level(OVERLAY_PERF_LEVEL4);
mutex_unlock(&mfd->dma->ov_mutex);