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authorDave Airlie <airlied@redhat.com>2015-05-15 07:23:10 +0200
committerDave Airlie <airlied@redhat.com>2015-05-15 07:23:10 +0200
commit72a81683a8feac3c67bac24dfd88f81bac077be0 (patch)
tree5447b73aa7d854e65ec1c52d69d8ea6db3b5c1ae /drivers/gpu/drm/i2c
parentdrm/i915/vlv: remove wait for previous GFX clk disable request (diff)
parentdrm/i2c: tda998x: use drm_hdmi_avi_infoframe_from_display_mode() (diff)
downloadlinux-72a81683a8feac3c67bac24dfd88f81bac077be0.tar.xz
linux-72a81683a8feac3c67bac24dfd88f81bac077be0.zip
Merge branch 'drm-tda998x-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into drm-next
tda998x: use helpers for infoframe. * 'drm-tda998x-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: drm/i2c: tda998x: use drm_hdmi_avi_infoframe_from_display_mode()
Diffstat (limited to 'drivers/gpu/drm/i2c')
-rw-r--r--drivers/gpu/drm/i2c/tda998x_drv.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index 5febffdb027d..011e1cac3e4c 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -634,19 +634,21 @@ tda998x_write_aif(struct tda998x_priv *priv, struct tda998x_encoder_params *p)
static void
tda998x_write_avi(struct tda998x_priv *priv, struct drm_display_mode *mode)
{
- u8 buf[PB(HDMI_AVI_INFOFRAME_SIZE) + 1];
+ struct hdmi_avi_infoframe frame;
+ u8 buf[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
+ ssize_t len;
- memset(buf, 0, sizeof(buf));
- buf[HB(0)] = HDMI_INFOFRAME_TYPE_AVI;
- buf[HB(1)] = 0x02;
- buf[HB(2)] = HDMI_AVI_INFOFRAME_SIZE;
- buf[PB(1)] = HDMI_SCAN_MODE_UNDERSCAN;
- buf[PB(2)] = HDMI_ACTIVE_ASPECT_PICTURE;
- buf[PB(3)] = HDMI_QUANTIZATION_RANGE_FULL << 2;
- buf[PB(4)] = drm_match_cea_mode(mode);
-
- tda998x_write_if(priv, DIP_IF_FLAGS_IF2, REG_IF2_HB0, buf,
- sizeof(buf));
+ drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
+
+ frame.quantization_range = HDMI_QUANTIZATION_RANGE_FULL;
+
+ len = hdmi_avi_infoframe_pack(&frame, buf, sizeof(buf));
+ if (len < 0) {
+ dev_err(&priv->hdmi->dev, "hdmi_avi_infoframe_pack() failed: %d\n", len);
+ return;
+ }
+
+ tda998x_write_if(priv, DIP_IF_FLAGS_IF2, REG_IF2_HB0, buf, len);
}
static void tda998x_audio_mute(struct tda998x_priv *priv, bool on)