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path: root/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
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Diffstat (limited to 'drivers/gpu/drm/gma500/mdfld_dsi_dpi.c')
-rw-r--r--drivers/gpu/drm/gma500/mdfld_dsi_dpi.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
index d4813e03f5ee..7cd87a0c2385 100644
--- a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
@@ -821,14 +821,18 @@ void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
struct drm_device *dev = dsi_config->dev;
struct drm_psb_private *dev_priv = dev->dev_private;
int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
-
u32 pipeconf_reg = PIPEACONF;
u32 dspcntr_reg = DSPACNTR;
+ u32 pipeconf, dspcntr;
- u32 pipeconf = dev_priv->pipeconf[pipe];
- u32 dspcntr = dev_priv->dspcntr[pipe];
u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
+ if (WARN_ON(pipe < 0))
+ return;
+
+ pipeconf = dev_priv->pipeconf[pipe];
+ dspcntr = dev_priv->dspcntr[pipe];
+
if (pipe) {
pipeconf_reg = PIPECCONF;
dspcntr_reg = DSPCCNTR;
@@ -994,7 +998,7 @@ struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev,
drm_encoder_init(dev,
encoder,
p_funcs->encoder_funcs,
- DRM_MODE_ENCODER_LVDS);
+ DRM_MODE_ENCODER_LVDS, NULL);
drm_encoder_helper_add(encoder,
p_funcs->encoder_helper_funcs);
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