samsung-sm8650/android_kernel_samsung_sm8650-modules
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disp: msm: dsi: update DSI DPHY and CPHY settings

Telusuri Sumber 
Change updates the DSI DPHY and CPHY settings as per
 hardware recommendations.

Change-Id: I3472ab0214c2c915a3f68893dd4b19edd36bb26d
Signed-off-by: Satya Rama Aditya Pinapala <psraditya30@codeaurora.org>
This commit is contained in:
Satya Rama Aditya Pinapala
2020-06-11 11:53:47 -07:00
orang tua 621a624d8c
melakukan 0b787ddd95
1 mengubah file dengan 12 tambahan dan 4 penghapusan
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16
msm/dsi/dsi_phy_hw_v4_0.c
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@@ -222,8 +222,16 @@ static void dsi_phy_hw_cphy_enable(struct dsi_phy_hw *phy,
u32 glbl_hstx_str_ctrl_0 = 0;
u32 glbl_rescode_top_ctrl = 0;
u32 glbl_rescode_bot_ctrl = 0;
bool less_than_1500_mhz = false;
if (phy->version == DSI_PHY_VERSION_4_1) {
/* Alter PHY configurations if data rate less than 1.5GHZ*/
if (cfg->bit_clk_rate_hz <= 1500000000)
less_than_1500_mhz = true;
if (phy->version == DSI_PHY_VERSION_4_2) {
glbl_rescode_top_ctrl = less_than_1500_mhz ? 0x3c : 0x00;
glbl_rescode_bot_ctrl = less_than_1500_mhz ? 0x38 : 0x3b;
} else if (phy->version == DSI_PHY_VERSION_4_1) {
glbl_rescode_top_ctrl = 0x00;
glbl_rescode_bot_ctrl = 0x3C;
glbl_str_swi_cal_sel_ctrl = 0x00;
@@ -329,9 +337,9 @@ static void dsi_phy_hw_dphy_enable(struct dsi_phy_hw *phy,
less_than_1500_mhz = true;
if (phy->version == DSI_PHY_VERSION_4_2) {
vreg_ctrl_0 = 0x58;
glbl_rescode_top_ctrl = 0x03;
glbl_rescode_bot_ctrl = 0x3c;
vreg_ctrl_0 = less_than_1500_mhz ? 0x53 : 0x52;
glbl_rescode_top_ctrl = less_than_1500_mhz ? 0x3c : 0x00;
glbl_rescode_bot_ctrl = less_than_1500_mhz ? 0x38 : 0x39;
glbl_str_swi_cal_sel_ctrl = 0x00;
glbl_hstx_str_ctrl_0 = 0x88;
} else if (phy->version == DSI_PHY_VERSION_4_1) {