samsung-sm8650/android_kernel_samsung_sm8650-modules
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Merge "disp: msm: restore dynamic bit clock front porches"

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This commit is contained in:
qctecmdr
2023-03-24 07:26:43 -07:00
committed by Gerrit - the friendly Code Review server
parent c902459326 567ad34910
commit d4f055f1fb
1 changed files with 20 additions and 2 deletions
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22
msm/dsi/dsi_display.c
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@@ -7000,6 +7000,7 @@ int dsi_display_restore_bit_clk(struct dsi_display *display, struct dsi_display_
{ {
int i; int i;
u32 clk_rate_hz = 0; u32 clk_rate_hz = 0;
u32 front_porch = 0;
if (!display || !mode || !mode->priv_info) { if (!display || !mode || !mode->priv_info) {
DSI_ERR("invalid arguments\n"); DSI_ERR("invalid arguments\n");
@@ -7013,12 +7014,29 @@ int dsi_display_restore_bit_clk(struct dsi_display *display, struct dsi_display_
clk_rate_hz = display->cached_clk_rate; clk_rate_hz = display->cached_clk_rate;
if (mode->priv_info->bit_clk_list.count) { if (mode->priv_info->bit_clk_list.count) {
/* use first entry as the default bit clk rate */ /* use first entry as the default bit clk rate and front porch*/
clk_rate_hz = mode->priv_info->bit_clk_list.rates[0]; clk_rate_hz = mode->priv_info->bit_clk_list.rates[0];
front_porch = mode->priv_info->bit_clk_list.front_porches[0];
for (i = 0; i < mode->priv_info->bit_clk_list.count; i++) { for (i = 0; i < mode->priv_info->bit_clk_list.count; i++) {
if (display->dyn_bit_clk == mode->priv_info->bit_clk_list.rates[i]) if (display->dyn_bit_clk == mode->priv_info->bit_clk_list.rates[i]) {
clk_rate_hz = display->dyn_bit_clk; clk_rate_hz = display->dyn_bit_clk;
front_porch = mode->priv_info->bit_clk_list.front_porches[i];
}
}
/* avoid restore front porch if this commit is updating dyn bit clock */
if (!display->dyn_bit_clk_pending && display->dyn_bit_clk) {
switch (display->panel->dyn_clk_caps.type) {
case DSI_DYN_CLK_TYPE_CONST_FPS_ADJUST_HFP:
mode->timing.h_front_porch = front_porch;
break;
case DSI_DYN_CLK_TYPE_CONST_FPS_ADJUST_VFP:
mode->timing.v_front_porch = front_porch;
break;
default:
break;
}
} }
} }