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authorCarlos Palminha <CARLOS.PALMINHA@synopsys.com>2016-02-10 12:08:38 +0000
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-02-10 15:14:49 +0100
commit71dfb744bd9e11e765036f8096d7c2c6c19d2b0f (patch)
treeffab2954f796253559e444a1b6b5a2fac3724cb4
parent52dfa12e45510fce566fb240135420d7a0b5d0e6 (diff)
drm: fixes when i2c encoder slave mode_fixup is null.
Avoid i2c slave encoder drivers to copy/paste code to implement functions that will only return true. Signed-off-by: Carlos Palminha <palminha@synopsys.com> [danvet: whitespace requested by Jani.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1455106118-32145-1-git-send-email-palminha@synopsys.com
-rw-r--r--drivers/gpu/drm/drm_encoder_slave.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_encoder_slave.c b/drivers/gpu/drm/drm_encoder_slave.c
index e8629076de32..4484785cd9ac 100644
--- a/drivers/gpu/drm/drm_encoder_slave.c
+++ b/drivers/gpu/drm/drm_encoder_slave.c
@@ -140,6 +140,9 @@ bool drm_i2c_encoder_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
+ if (!get_slave_funcs(encoder)->mode_fixup)
+ return true;
+
return get_slave_funcs(encoder)->mode_fixup(encoder, mode, adjusted_mode);
}
EXPORT_SYMBOL(drm_i2c_encoder_mode_fixup);