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Message-Id: <20250306-vivid-osd-v2-2-86db53ecb39c@chromium.org>
Date: Thu, 06 Mar 2025 13:27:31 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Hans Verkuil <hverkuil@...all.nl>,
Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
Slawomir Rosek <srosek@...gle.com>,
Hidenori Kobayashi <hidenorik@...gle.com>,
Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v2 2/2] media: vivid: Introduce VIDEO_VIVID_OSD
vivid-osd depends on CONFIG_FB, which can be a large dependency. Introduce
CONFIG_VIDEO_VIVID_OSD to control enabling support for testing output
overlay.
Suggested-by: Slawomir Rosek <srosek@...gle.com>
Co-developed-by: Slawomir Rosek <srosek@...gle.com>
Signed-off-by: Slawomir Rosek <srosek@...gle.com>
Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
drivers/media/test-drivers/vivid/Kconfig | 12 ++++++++++--
drivers/media/test-drivers/vivid/Makefile | 5 ++++-
drivers/media/test-drivers/vivid/vivid-core.c | 4 ++++
drivers/media/test-drivers/vivid/vivid-core.h | 2 ++
drivers/media/test-drivers/vivid/vivid-osd.h | 13 +++++++++++++
5 files changed, 33 insertions(+), 3 deletions(-)
diff --git a/drivers/media/test-drivers/vivid/Kconfig b/drivers/media/test-drivers/vivid/Kconfig
index ec2e71d769659492df698a7e0874ce5e927042ed..e95edc0f22bfb97099f6fdea97402fc8a190f11f 100644
--- a/drivers/media/test-drivers/vivid/Kconfig
+++ b/drivers/media/test-drivers/vivid/Kconfig
@@ -1,9 +1,8 @@
# SPDX-License-Identifier: GPL-2.0-only
config VIDEO_VIVID
tristate "Virtual Video Test Driver"
- depends on VIDEO_DEV && !SPARC32 && !SPARC64 && FB
+ depends on VIDEO_DEV && !SPARC32 && !SPARC64
depends on HAS_DMA
- select FB_IOMEM_HELPERS
select FONT_SUPPORT
select FONT_8x16
select VIDEOBUF2_VMALLOC
@@ -31,6 +30,15 @@ config VIDEO_VIVID_CEC
When selected the vivid module will emulate the optional
HDMI CEC feature.
+config VIDEO_VIVID_OSD
+ bool "Enable Framebuffer for testing Output Overlay"
+ depends on VIDEO_VIVID && FB
+ default y
+ select FB_IOMEM_HELPERS
+ help
+ When selected the vivid module will emulate a Framebuffer for
+ testing Output Overlay.
+
config VIDEO_VIVID_MAX_DEVS
int "Maximum number of devices"
depends on VIDEO_VIVID
diff --git a/drivers/media/test-drivers/vivid/Makefile b/drivers/media/test-drivers/vivid/Makefile
index b12ad0152a3e0fde428bd75fd50137bd2ae4d53c..284a59e9733554addabf73944ac9df5116c6c323 100644
--- a/drivers/media/test-drivers/vivid/Makefile
+++ b/drivers/media/test-drivers/vivid/Makefile
@@ -3,10 +3,13 @@ vivid-objs := vivid-core.o vivid-ctrls.o vivid-vid-common.o vivid-vbi-gen.o \
vivid-vid-cap.o vivid-vid-out.o vivid-kthread-cap.o vivid-kthread-out.o \
vivid-radio-rx.o vivid-radio-tx.o vivid-radio-common.o \
vivid-rds-gen.o vivid-sdr-cap.o vivid-vbi-cap.o vivid-vbi-out.o \
- vivid-osd.o vivid-meta-cap.o vivid-meta-out.o \
+ vivid-meta-cap.o vivid-meta-out.o \
vivid-kthread-touch.o vivid-touch-cap.o
ifeq ($(CONFIG_VIDEO_VIVID_CEC),y)
vivid-objs += vivid-cec.o
endif
+ifeq ($(CONFIG_VIDEO_VIVID_OSD),y)
+ vivid-objs += vivid-osd.o
+endif
obj-$(CONFIG_VIDEO_VIVID) += vivid.o
diff --git a/drivers/media/test-drivers/vivid/vivid-core.c b/drivers/media/test-drivers/vivid/vivid-core.c
index 10f5bef3f49cca4c3a0ae62dd4704ac4180a7c43..8d56168c72aa09f94ba2f0bdb2415e7247e08c14 100644
--- a/drivers/media/test-drivers/vivid/vivid-core.c
+++ b/drivers/media/test-drivers/vivid/vivid-core.c
@@ -125,7 +125,9 @@ MODULE_PARM_DESC(node_types, " node types, default is 0xe1d3d. Bitmask with the
"\t\t bit 8: Video Output node\n"
"\t\t bit 10-11: VBI Output node: 0 = none, 1 = raw vbi, 2 = sliced vbi, 3 = both\n"
"\t\t bit 12: Radio Transmitter node\n"
+#ifdef CONFIG_VIDEO_VIVID_OSD
"\t\t bit 16: Framebuffer for testing output overlays\n"
+#endif
"\t\t bit 17: Metadata Capture node\n"
"\t\t bit 18: Metadata Output node\n"
"\t\t bit 19: Touch Capture node\n");
@@ -1071,9 +1073,11 @@ static int vivid_detect_feature_set(struct vivid_dev *dev, int inst,
/* do we have a modulator? */
*has_modulator = dev->has_radio_tx;
+#ifdef CONFIG_VIDEO_VIVID_OSD
if (dev->has_vid_cap)
/* do we have a framebuffer for overlay testing? */
dev->has_fb = node_type & 0x10000;
+#endif
/* can we do crop/compose/scaling while capturing? */
if (no_error_inj && *ccs_cap == -1)
diff --git a/drivers/media/test-drivers/vivid/vivid-core.h b/drivers/media/test-drivers/vivid/vivid-core.h
index d2d52763b11977d39f630dd9ae9bd9fdb288fd51..571a6c2229692109f5d038029bfd9d38d9e53fc3 100644
--- a/drivers/media/test-drivers/vivid/vivid-core.h
+++ b/drivers/media/test-drivers/vivid/vivid-core.h
@@ -403,9 +403,11 @@ struct vivid_dev {
int display_byte_stride;
int bits_per_pixel;
int bytes_per_pixel;
+#ifdef CONFIG_VIDEO_VIVID_OSD
struct fb_info fb_info;
struct fb_var_screeninfo fb_defined;
struct fb_fix_screeninfo fb_fix;
+#endif
/* Error injection */
bool disconnect_error;
diff --git a/drivers/media/test-drivers/vivid/vivid-osd.h b/drivers/media/test-drivers/vivid/vivid-osd.h
index 9a7ef83e6eb2e44e20d2a2e98303845703375bcb..b6a618834b65c6547d9ad2b47e4675040a3bf726 100644
--- a/drivers/media/test-drivers/vivid/vivid-osd.h
+++ b/drivers/media/test-drivers/vivid/vivid-osd.h
@@ -8,9 +8,22 @@
#ifndef _VIVID_OSD_H_
#define _VIVID_OSD_H_
+#ifdef CONFIG_VIDEO_VIVID_OSD
int vivid_fb_init(struct vivid_dev *dev);
void vivid_fb_deinit(struct vivid_dev *dev);
void vivid_fb_clear(struct vivid_dev *dev);
unsigned int vivid_fb_green_bits(struct vivid_dev *dev);
+#else
+static inline int vivid_fb_init(struct vivid_dev *dev)
+{
+ return -ENODEV;
+}
+static inline void vivid_fb_deinit(struct vivid_dev *dev) {}
+static inline void vivid_fb_clear(struct vivid_dev *dev) {}
+static inline unsigned int vivid_fb_green_bits(struct vivid_dev *dev)
+{
+ return 5;
+}
+#endif
#endif
--
2.48.1.711.g2feabab25a-goog
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