提交 b852c985 编写于 作者: A Alex Deucher

drm/radeon: re-enable sw ACR support on pre-DCE4

HW ACR support may have issues on some older chips, so
use SW ACR for now until we've tested further.
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
CC: Rafał Miłecki <zajec5@gmail.com>
上级 4076a655
...@@ -451,6 +451,7 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod ...@@ -451,6 +451,7 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod
} }
WREG32(HDMI0_ACR_PACKET_CONTROL + offset, WREG32(HDMI0_ACR_PACKET_CONTROL + offset,
HDMI0_ACR_SOURCE | /* select SW CTS value - XXX verify that hw CTS works on all families */
HDMI0_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ HDMI0_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */
WREG32(HDMI0_VBI_PACKET_CONTROL + offset, WREG32(HDMI0_VBI_PACKET_CONTROL + offset,
......
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