Commit d3418eac authored by Rafał Miłecki's avatar Rafał Miłecki Committed by Alex Deucher

drm/radeon/evergreen: setup HDMI before enabling it

Closed source driver fglrx seems to enable infoframes and audio packets
at the end, which makes sense, do the same.
Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d5169fc4
......@@ -116,7 +116,6 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
HDMI_AUDIO_PACKETS_PER_LINE(3)); /* should be suffient for all audio modes and small enough for all hblanks */
WREG32(AFMT_AUDIO_PACKET_CONTROL + offset,
AFMT_AUDIO_SAMPLE_SEND | /* send audio packets */
AFMT_60958_CS_UPDATE); /* allow 60958 channel status fields to be updated */
WREG32(HDMI_ACR_PACKET_CONTROL + offset,
......@@ -129,8 +128,6 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
HDMI_GC_CONT); /* send general control packets every frame */
WREG32(HDMI_INFOFRAME_CONTROL0 + offset,
HDMI_AVI_INFO_SEND | /* enable AVI info frames */
HDMI_AVI_INFO_CONT | /* send AVI info frames every frame/field */
HDMI_AUDIO_INFO_SEND | /* enable audio info frames (frames won't be set until audio is enabled) */
HDMI_AUDIO_INFO_CONT); /* required for audio info values to be updated */
......@@ -138,7 +135,6 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
AFMT_AUDIO_INFO_UPDATE); /* required for audio info values to be updated */
WREG32(HDMI_INFOFRAME_CONTROL1 + offset,
HDMI_AVI_INFO_LINE(2) | /* anything other than 0 */
HDMI_AUDIO_INFO_LINE(2)); /* anything other than 0 */
WREG32(HDMI_GC + offset, 0); /* unset HDMI_GC_AVMUTE */
......@@ -158,6 +154,17 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode
evergreen_hdmi_update_avi_infoframe(encoder, buffer, sizeof(buffer));
evergreen_hdmi_update_ACR(encoder, mode->clock);
WREG32_OR(HDMI_INFOFRAME_CONTROL0 + offset,
HDMI_AVI_INFO_SEND | /* enable AVI info frames */
HDMI_AVI_INFO_CONT); /* required for audio info values to be updated */
WREG32_P(HDMI_INFOFRAME_CONTROL1 + offset,
HDMI_AVI_INFO_LINE(2), /* anything other than 0 */
~HDMI_AVI_INFO_LINE_MASK);
WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + offset,
AFMT_AUDIO_SAMPLE_SEND); /* send audio packets */
/* it's unknown what these bits do excatly, but it's indeed quite useful for debugging */
WREG32(AFMT_RAMP_CONTROL0 + offset, 0x00FFFFFF);
WREG32(AFMT_RAMP_CONTROL1 + offset, 0x007FFFFF);
......
......@@ -234,6 +234,7 @@
# define HDMI_MPEG_INFO_CONT (1 << 9)
#define HDMI_INFOFRAME_CONTROL1 0x7048
# define HDMI_AVI_INFO_LINE(x) (((x) & 0x3f) << 0)
# define HDMI_AVI_INFO_LINE_MASK (0x3f << 0)
# define HDMI_AUDIO_INFO_LINE(x) (((x) & 0x3f) << 8)
# define HDMI_MPEG_INFO_LINE(x) (((x) & 0x3f) << 16)
#define HDMI_GENERIC_PACKET_CONTROL 0x704c
......
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