summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/panel
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/panel')
-rw-r--r--drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c2
-rw-r--r--drivers/gpu/drm/panel/panel-sitronix-st7789v.c7
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c
index 2fc7b0779b37..893af9b16756 100644
--- a/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c
+++ b/drivers/gpu/drm/panel/panel-kingdisplay-kd097d04.c
@@ -359,7 +359,7 @@ static int kingdisplay_panel_probe(struct mipi_dsi_device *dsi)
dsi->lanes = 4;
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
- MIPI_DSI_MODE_LPM;
+ MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_NO_EOT_PACKET;
kingdisplay = devm_drm_panel_alloc(&dsi->dev, __typeof(*kingdisplay), base,
&kingdisplay_panel_funcs,
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
index 04d91929eedd..d5f821d6b23c 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c
@@ -249,6 +249,11 @@ static const struct drm_display_mode default_mode = {
.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
};
+/*
+ * The mode data for this panel has been reverse engineered without access
+ * to the panel datasheet / manual. Using DRM_MODE_FLAG_PHSYNC like all
+ * other panels results in garbage data on the display.
+ */
static const struct drm_display_mode t28cp45tn89_mode = {
.clock = 6008,
.hdisplay = 240,
@@ -261,7 +266,7 @@ static const struct drm_display_mode t28cp45tn89_mode = {
.vtotal = 320 + 8 + 4 + 4,
.width_mm = 43,
.height_mm = 57,
- .flags = DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC,
+ .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC,
};
static const struct drm_display_mode et028013dma_mode = {