[PATCH v5 60/80] drm/vc4: hdmi: Add CEC support flag
From: Maxime Ripard <hidden>
Date: 2020-09-03 08:07:18
Also in:
dri-devel, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for vc4, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Dave Stevenson, Linus Torvalds
Similarly to the audio support, CEC support is not there yet for the BCM2711, so let's skip entirely the CEC initialization through a variant flag. Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com> Tested-by: Chanwoo Choi <cw00.choi@samsung.com> Tested-by: Hoegeun Kwon <redacted> Tested-by: Stefan Wahren <redacted> Signed-off-by: Maxime Ripard <redacted> --- drivers/gpu/drm/vc4/vc4_hdmi.c | 4 ++++ drivers/gpu/drm/vc4/vc4_hdmi.h | 3 +++ 2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index bf537c6d413f..a26b6bd61f74 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c@@ -1178,6 +1178,9 @@ static int vc4_hdmi_cec_init(struct vc4_hdmi *vc4_hdmi) u32 value; int ret; + if (!vc4_hdmi->variant->cec_available) + return 0; + vc4_hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops, vc4_hdmi, "vc4", CEC_CAP_DEFAULTS |
@@ -1476,6 +1479,7 @@ static int vc4_hdmi_dev_remove(struct platform_device *pdev) static const struct vc4_hdmi_variant bcm2835_variant = { .encoder_type = VC4_ENCODER_TYPE_HDMI0, .debugfs_name = "hdmi_regs", + .cec_available = true, .registers = vc4_hdmi_fields, .num_registers = ARRAY_SIZE(vc4_hdmi_fields),
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h
index 794216f3228d..3f07aebe89f1 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h@@ -33,6 +33,9 @@ struct vc4_hdmi_variant { /* Filename to expose the registers in debugfs */ const char *debugfs_name; + /* Set to true when the CEC support is available */ + bool cec_available; + /* List of the registers available on that variant */ const struct vc4_hdmi_register *registers;
--
git-series 0.9.1
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