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drm/bridge: synopsys: dw-hdmi: Fix vmode error when system boot

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If uboot logo is on, hdmi clock is need to record from crtc_state.
If not, hdmi may not be able to output audio.

Signed-off-by: Algea Cao <algea.cao@rock-chips.com>
Change-Id: I0a9c8bb5df0ab2bdb6d5d2754d92745aa7a2d0cf
This commit is contained in:
Algea Cao
2021-02-22 14:41:48 +08:00
committed by Tao Huang
parent b88c7c9d1f
commit cb2fc0bc60
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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@@ -2842,6 +2842,7 @@ static int dw_hdmi_connector_atomic_check(struct drm_connector *connector,
* drm_display_mode and set phy status to enabled.
*/
if (!vmode->mpixelclock) {
crtc_state = drm_atomic_get_crtc_state(state, crtc);
if (hdmi->plat_data->get_enc_in_encoding)
hdmi->hdmi_data.enc_in_encoding =
hdmi->plat_data->get_enc_in_encoding(data);
@@ -2855,7 +2856,7 @@ static int dw_hdmi_connector_atomic_check(struct drm_connector *connector,
hdmi->hdmi_data.enc_out_bus_format =
hdmi->plat_data->get_output_bus_format(data);
mode = &crtc->mode;
mode = &crtc_state->mode;
memcpy(&hdmi->previous_mode, mode, sizeof(hdmi->previous_mode));
vmode->mpixelclock = mode->crtc_clock * 1000;
vmode->previous_pixelclock = mode->clock;