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path: root/drivers/gpu/drm/vc4/vc4_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_hdmi.c')
-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 55744216392b..7546103f1499 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -97,6 +97,10 @@
#define VC5_HDMI_GCP_WORD_1_GCP_SUBPACKET_BYTE_1_SHIFT 8
#define VC5_HDMI_GCP_WORD_1_GCP_SUBPACKET_BYTE_1_MASK VC4_MASK(15, 8)
+#define VC5_HDMI_GCP_WORD_1_GCP_SUBPACKET_BYTE_0_MASK VC4_MASK(7, 0)
+#define VC5_HDMI_GCP_WORD_1_GCP_SUBPACKET_BYTE_0_SET_AVMUTE BIT(0)
+#define VC5_HDMI_GCP_WORD_1_GCP_SUBPACKET_BYTE_0_CLEAR_AVMUTE BIT(4)
+
# define VC4_HD_M_SW_RST BIT(2)
# define VC4_HD_M_ENABLE BIT(0)
@@ -1306,7 +1310,6 @@ static void vc5_hdmi_set_timings(struct vc4_hdmi *vc4_hdmi,
VC4_HDMI_VERTB_VBP));
unsigned long flags;
unsigned char gcp;
- bool gcp_en;
u32 reg;
int idx;
@@ -1341,16 +1344,13 @@ static void vc5_hdmi_set_timings(struct vc4_hdmi *vc4_hdmi,
switch (vc4_state->output_bpc) {
case 12:
gcp = 6;
- gcp_en = true;
break;
case 10:
gcp = 5;
- gcp_en = true;
break;
case 8:
default:
- gcp = 4;
- gcp_en = false;
+ gcp = 0;
break;
}
@@ -1359,8 +1359,7 @@ static void vc5_hdmi_set_timings(struct vc4_hdmi *vc4_hdmi,
* doesn't signal in GCP.
*/
if (vc4_state->output_format == VC4_HDMI_OUTPUT_YUV422) {
- gcp = 4;
- gcp_en = false;
+ gcp = 0;
}
reg = HDMI_READ(HDMI_DEEP_COLOR_CONFIG_1);
@@ -1373,11 +1372,12 @@ static void vc5_hdmi_set_timings(struct vc4_hdmi *vc4_hdmi,
reg = HDMI_READ(HDMI_GCP_WORD_1);
reg &= ~VC5_HDMI_GCP_WORD_1_GCP_SUBPACKET_BYTE_1_MASK;
reg |= VC4_SET_FIELD(gcp, VC5_HDMI_GCP_WORD_1_GCP_SUBPACKET_BYTE_1);
+ reg &= ~VC5_HDMI_GCP_WORD_1_GCP_SUBPACKET_BYTE_0_MASK;
+ reg |= VC5_HDMI_GCP_WORD_1_GCP_SUBPACKET_BYTE_0_CLEAR_AVMUTE;
HDMI_WRITE(HDMI_GCP_WORD_1, reg);
reg = HDMI_READ(HDMI_GCP_CONFIG);
- reg &= ~VC5_HDMI_GCP_CONFIG_GCP_ENABLE;
- reg |= gcp_en ? VC5_HDMI_GCP_CONFIG_GCP_ENABLE : 0;
+ reg |= VC5_HDMI_GCP_CONFIG_GCP_ENABLE;
HDMI_WRITE(HDMI_GCP_CONFIG, reg);
reg = HDMI_READ(HDMI_MISC_CONTROL);