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authorGerald Loacker <gerald.loacker@wolfvision.net>2024-05-29 16:42:45 +0200
committerNeil Armstrong <neil.armstrong@linaro.org>2024-05-30 14:57:32 +0200
commit0e5895ff7fab0fc05ec17daf9a568368828fa6ea (patch)
tree52430b3d07351ef83e67b0cf9582237323c8287d /drivers/gpu/drm/panel
parentdrm/panel/lg-sw43408: mark sw43408_backlight_ops as static (diff)
downloadlinux-0e5895ff7fab0fc05ec17daf9a568368828fa6ea.tar.xz
linux-0e5895ff7fab0fc05ec17daf9a568368828fa6ea.zip
drm/panel: sitronix-st7789v: fix timing for jt240mhqs_hwt_ek_e3 panel
Flickering was observed when using partial mode. Moving the vsync to the same position as used by the default sitronix-st7789v timing resolves this issue. Fixes: 0fbbe96bfa08 ("drm/panel: sitronix-st7789v: add jasonic jt240mhqs-hwt-ek-e3 support") Acked-by: Jessica Zhang <quic_jesszhan@quicinc.com> Signed-off-by: Gerald Loacker <gerald.loacker@wolfvision.net> Link: https://lore.kernel.org/r/20240409-bugfix-jt240mhqs_hwt_ek_e3-timing-v2-1-e4821802443d@wolfvision.net Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240409-bugfix-jt240mhqs_hwt_ek_e3-timing-v2-1-e4821802443d@wolfvision.net
Diffstat (limited to 'drivers/gpu/drm/panel')
-rw-r--r--drivers/gpu/drm/panel/panel-sitronix-st7789v.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index 88e80fe98112..32e5c0348038 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -286,9 +286,9 @@ static const struct drm_display_mode jt240mhqs_hwt_ek_e3_mode = {
.hsync_end = 240 + 28 + 10,
.htotal = 240 + 28 + 10 + 10,
.vdisplay = 280,
- .vsync_start = 280 + 8,
- .vsync_end = 280 + 8 + 4,
- .vtotal = 280 + 8 + 4 + 4,
+ .vsync_start = 280 + 48,
+ .vsync_end = 280 + 48 + 4,
+ .vtotal = 280 + 48 + 4 + 4,
.width_mm = 43,
.height_mm = 37,
.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,