summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/vc4
diff options
context:
space:
mode:
authorMaxime Ripard <maxime@cerno.tech>2020-09-03 11:01:32 +0300
committerMaxime Ripard <maxime@cerno.tech>2020-09-07 19:14:52 +0300
commit234f4212ecec4f7f5db7a8698392569770b395b2 (patch)
tree1a8bbb78a234a82733189238476f4b05ad87bce2 /drivers/gpu/drm/vc4
parentc0791e08380117c2d52e63f0e03d73610ce07858 (diff)
downloadlinux-234f4212ecec4f7f5db7a8698392569770b395b2.tar.xz
drm/vc4: hdmi: Add CEC support flag
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. Signed-off-by: Maxime Ripard <maxime@cerno.tech> Tested-by: Chanwoo Choi <cw00.choi@samsung.com> Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com> Tested-by: Stefan Wahren <stefan.wahren@i2se.com> Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com> Link: https://patchwork.freedesktop.org/patch/msgid/bd0c4afa83b4e121692352cdc2dd1886162c7552.1599120059.git-series.maxime@cerno.tech
Diffstat (limited to 'drivers/gpu/drm/vc4')
-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.c4
-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.h3
2 files changed, 7 insertions, 0 deletions
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;