3 files changed, 16 insertions, 13 deletions

diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index 0108613e79d5..7258975331ca 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -711,7 +711,7 @@ static int vc4_crtc_atomic_check(struct drm_crtc *crtc,
 		struct vc4_encoder *vc4_encoder = to_vc4_encoder(encoder);
 
 		if (vc4_encoder->type == VC4_ENCODER_TYPE_HDMI0) {
-			vc4_state->hvs_load = max(mode->clock * mode->hdisplay / mode->htotal + 1000,
+			vc4_state->hvs_load = max(mode->clock * mode->hdisplay / mode->htotal + 8000,
 						  mode->clock * 9 / 10) * 1000;
 		} else {
 			vc4_state->hvs_load = mode->clock * 1000;
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 12a00d644b61..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);
@@ -3018,7 +3018,8 @@ static int vc4_hdmi_cec_init(struct vc4_hdmi *vc4_hdmi)
 	}
 
 	vc4_hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops,
-						  vc4_hdmi, "vc4",
+						  vc4_hdmi,
+						  vc4_hdmi->variant->card_name,
 						  CEC_CAP_DEFAULTS |
 						  CEC_CAP_CONNECTOR_INFO, 1);
 	ret = PTR_ERR_OR_ZERO(vc4_hdmi->cec_adap);
diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c
index 8b92a45a3c89..bd5acc4a8687 100644
--- a/drivers/gpu/drm/vc4/vc4_plane.c
+++ b/drivers/gpu/drm/vc4/vc4_plane.c
@@ -340,7 +340,7 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
 {
 	struct vc4_plane_state *vc4_state = to_vc4_plane_state(state);
 	struct drm_framebuffer *fb = state->fb;
-	struct drm_gem_dma_object *bo = drm_fb_dma_get_gem_obj(fb, 0);
+	struct drm_gem_dma_object *bo;
 	int num_planes = fb->format->num_planes;
 	struct drm_crtc_state *crtc_state;
 	u32 h_subsample = fb->format->hsub;
@@ -359,8 +359,10 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
 	if (ret)
 		return ret;
 
-	for (i = 0; i < num_planes; i++)
+	for (i = 0; i < num_planes; i++) {
+		bo = drm_fb_dma_get_gem_obj(fb, i);
 		vc4_state->offsets[i] = bo->dma_addr + fb->offsets[i];
+	}
 
 	/*
 	 * We don't support subpixel source positioning for scaling,