diff options
| author | Vinod Polimera <quic_vpolimer@quicinc.com> | 2023-02-03 10:55:15 +0530 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-02-13 12:37:44 +0000 |
| commit | a21df149249d5ad7099d74a8e523119b493c3d44 (patch) | |
| tree | 757b0a8a9980f75139351aae0e705f985a537612 /src | |
| parent | a63ea89c0418e7350b3473132a4397ec5065faa8 (diff) | |
soc/qualcomm/sc7280: update intf timing parameter calcualtion for eDP
Correct the interface timing parameter calculation for eDP interface
to avoid writing into the blanking region.
BUG=b:255870643
TEST=Validated on sc7280 Zombie development board
Change-Id: I069ca351d8c60d071debb23a5e48840701441977
Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72743
Reviewed-by: Shelley Chen <shchen@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/qualcomm/sc7280/display/disp.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/soc/qualcomm/sc7280/display/disp.c b/src/soc/qualcomm/sc7280/display/disp.c index 28356f247f..fd3ed3ced1 100644 --- a/src/soc/qualcomm/sc7280/display/disp.c +++ b/src/soc/qualcomm/sc7280/display/disp.c @@ -28,13 +28,15 @@ void mdss_intf_tg_setup(struct edid *edid) hsync_period = edid->mode.ha + edid->mode.hbl; vsync_period = edid->mode.va + edid->mode.vbl; - display_vstart = edid->mode.vbl * hsync_period + edid->mode.hbl; - display_vend = (vsync_period * hsync_period) - 1; + display_vstart = (edid->mode.vbl - edid->mode.vso) * hsync_period + + edid->mode.hbl - edid->mode.hso; + display_vend = ((vsync_period - edid->mode.vso) * hsync_period) - edid->mode.hso - 1; hsync_ctl = (hsync_period << 16) | edid->mode.hspw; - display_hctl = edid->mode.hbl | (hsync_period - 1) << 16; - active_vstart = edid->mode.vbl * hsync_period; - active_vend = display_vend; - active_hctl = display_hctl; + active_vstart = display_vstart; + active_vend = active_vstart + (edid->mode.va * hsync_period) - 1; + active_hctl = ((edid->mode.hbl - edid->mode.hso + edid->mode.ha - 1) << 16) | + (edid->mode.hbl - edid->mode.hso); + display_hctl = active_hctl; write32(&mdp_intf->intf_active_v_start_f0, active_vstart); write32(&mdp_intf->intf_active_v_end_f0, active_vend); |