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authorLin Huang <hl@rock-chips.com>2016-10-23 14:17:25 -0700
committerMartin Roth <martinroth@google.com>2016-11-14 18:08:11 +0100
commita09b338362c09aebf5f35a63b2412f358621db0f (patch)
tree5d87706ae5209bd0507ed27e9b8fbf8405e01bca /src/soc/rockchip/rk3288
parent1d6957e9a99e1cdfc50a2b60a8d67b4809604216 (diff)
soc/rockchip: split edp_enable() function
To avoid garbage display in firmware on warm reset, we need to enable eDP display in depthcharge instead when the framebuffer is cleared. Therefore limit edp_enable() in coreboot to just configure eDP, and leave enabling the display to depthcharge. CQ-DEPEND=CL:402071 BUG=chrome-os-partner:58675 BRANCH=none TEST=Boot from kevin, and display work Change-Id: I9d937ead33ebba58e33e02fd73b80d6e11bb69aa Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 38b0d18c3fae37dfccb18fe809f763b98703167c Original-Change-Id: Ibbc283a5892b98f4922f02fd67465fe2e1d01b71 Original-Signed-off-by: Lin Huang <hl@rock-chips.com> Original-Reviewed-on: https://chromium-review.googlesource.com/402095 Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/17207 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/soc/rockchip/rk3288')
-rw-r--r--src/soc/rockchip/rk3288/display.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/soc/rockchip/rk3288/display.c b/src/soc/rockchip/rk3288/display.c
index 30c8ca1d06..2298d8b6e3 100644
--- a/src/soc/rockchip/rk3288/display.c
+++ b/src/soc/rockchip/rk3288/display.c
@@ -128,6 +128,10 @@ void rk_display_init(device_t dev, u32 lcdbase,
case VOP_MODE_EDP:
default:
+ if (rk_edp_prepare()) {
+ printk(BIOS_WARNING, "edp prepare err\n");
+ return;
+ }
if (rk_edp_enable()) {
printk(BIOS_WARNING, "edp enable err\n");
return;