summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c
diff options
context:
space:
mode:
authorAbhinav Kumar <abhinavk@codeaurora.org>2018-06-14 21:01:10 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-21 14:15:15 +0100
commit801f12d991bcbceff9f61e0380c34d51375f697c (patch)
tree982f5c61f4a5d0e95d10555841251d52ad0dc0c6 /drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c
parentd60ec2e702980d197a24819f7daa5c8671d55ec0 (diff)
drm/msm/dsi: configure VCO rate for 10nm PLL driver
[ Upstream commit 8531f0587f5c9e1a74cd9543a97617349f5e0706 ] Currenty the VCO rate in the 10nm PLL driver relies on the parent rate which is not configured. Configure the VCO rate to 19.2 Mhz as required by the 10nm PLL driver. Signed-off-by: Abhinav Kumar <abhinavk@codeaurora.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c')
-rw-r--r--drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c
index 4c03f0b7343e..41bec570c518 100644
--- a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c
+++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_10nm.c
@@ -39,6 +39,8 @@
#define DSI_PIXEL_PLL_CLK 1
#define NUM_PROVIDED_CLKS 2
+#define VCO_REF_CLK_RATE 19200000
+
struct dsi_pll_regs {
u32 pll_prop_gain_rate;
u32 pll_lockdet_rate;
@@ -316,7 +318,7 @@ static int dsi_pll_10nm_vco_set_rate(struct clk_hw *hw, unsigned long rate,
parent_rate);
pll_10nm->vco_current_rate = rate;
- pll_10nm->vco_ref_clk_rate = parent_rate;
+ pll_10nm->vco_ref_clk_rate = VCO_REF_CLK_RATE;
dsi_pll_setup_config(pll_10nm);