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drm/bridge/synopsys: initialize hdmi variable when bootup with hdmi plugin

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if bootup with hdmi plugin initialize mtmdsclock to modify voicelessness
and set bridge_is_on true to modify green screen when reboot from recovery

Change-Id: I0ed9f956d62ab4087cb42a54dafba6a0fc9e5a7e
Signed-off-by: Huicong Xu <xhc@rock-chips.com>
This commit is contained in:
Huicong Xu 2018-01-24 15:24:30 +08:00 committed by Tao Huang
parent d7f22ab4c1
commit 408f2a3e6f
1 changed files with 11 additions and 4 deletions
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15
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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@ -2598,6 +2598,7 @@ dw_hdmi_connector_atomic_flush(struct drm_connector *connector,
connector);
struct drm_display_mode *mode = NULL;
void *data = hdmi->plat_data->phy_data;
struct hdmi_vmode *vmode = &hdmi->hdmi_data.video_mode;
unsigned int in_bus_format = hdmi->hdmi_data.enc_in_bus_format;
unsigned int out_bus_format = hdmi->hdmi_data.enc_out_bus_format;
@ -2611,7 +2612,7 @@ dw_hdmi_connector_atomic_flush(struct drm_connector *connector,
* If HDMI is enabled in uboot, it's need to record
* drm_display_mode and set phy status to enabled.
*/
if (!hdmi->hdmi_data.video_mode.mpixelclock) {
if (!vmode->mpixelclock) {
if (hdmi->plat_data->get_enc_in_encoding)
hdmi->hdmi_data.enc_in_encoding =
hdmi->plat_data->get_enc_in_encoding(data);
@ -2627,11 +2628,17 @@ dw_hdmi_connector_atomic_flush(struct drm_connector *connector,
mode = &conn_state->crtc->mode;
memcpy(&hdmi->previous_mode, mode, sizeof(hdmi->previous_mode));
hdmi->hdmi_data.video_mode.mpixelclock = mode->clock;
hdmi->hdmi_data.video_mode.previous_pixelclock = mode->clock;
hdmi->hdmi_data.video_mode.previous_tmdsclock = mode->clock;
vmode->mpixelclock = mode->crtc_clock * 1000;
vmode->previous_pixelclock = mode->clock;
vmode->previous_tmdsclock = mode->clock;
vmode->mtmdsclock = hdmi_get_tmdsclock(hdmi,
vmode->mpixelclock);
if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format))
vmode->mtmdsclock /= 2;
hdmi->mc_clkdis = hdmi_readb(hdmi, HDMI_MC_CLKDIS);
hdmi->phy.enabled = true;
hdmi->bridge_is_on = true;
if (in_bus_format != hdmi->hdmi_data.enc_in_bus_format ||
out_bus_format != hdmi->hdmi_data.enc_out_bus_format)
hdmi->hdmi_data.update = true;