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Message-ID: <1788224.VLH7GnMWUR@steina-w>
Date: Fri, 08 Mar 2024 09:39:18 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, Jonathan Corbet <corbet@....net>, Sandy Huang <hjc@...k-chips.com>, Heiko Stübner <heiko@...ech.de>, Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>, Samuel Holland <samuel@...lland.org>, dri-devel@...ts.freedesktop.org, Maxime Ripard <mripard@...nel.org>
Cc: Hans Verkuil <hverkuil@...all.nl>, Sebastian Wick <sebastian.wick@...hat.com>, Ville Syrjälä <ville.syrjala@...ux.intel.com>, dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org, linux-sunxi@...ts.linux.dev, Maxime Ripard <mripard@...nel.org>, Dave Stevenson <dave.stevenson@...pberrypi.com>
Subject: Re: [PATCH v8 05/27] drm/tests: Add output bpc tests
Hi Maxime,
Am Donnerstag, 7. März 2024, 14:38:32 CET schrieb Maxime Ripard:
> Now that we're tracking the output bpc count in the connector state,
> let's add a few tests to make sure it works as expected.
>
> Reviewed-by: Dave Stevenson <dave.stevenson@...pberrypi.com>
> Signed-off-by: Maxime Ripard <mripard@...nel.org>
> ---
> drivers/gpu/drm/tests/Makefile | 1 +
> .../gpu/drm/tests/drm_atomic_state_helper_test.c | 436 +++++++++++++++++++++
> drivers/gpu/drm/tests/drm_connector_test.c | 140 +++++++
> drivers/gpu/drm/tests/drm_kunit_edid.h | 106 +++++
> 4 files changed, 683 insertions(+)
>
> [snip]
> diff --git a/drivers/gpu/drm/tests/drm_kunit_edid.h b/drivers/gpu/drm/tests/drm_kunit_edid.h
> new file mode 100644
> index 000000000000..2bba316de064
> --- /dev/null
> +++ b/drivers/gpu/drm/tests/drm_kunit_edid.h
> @@ -0,0 +1,106 @@
> +#ifndef DRM_KUNIT_EDID_H_
> +#define DRM_KUNIT_EDID_H_
> +
> +/*
> + * edid-decode (hex):
> + *
> + * 00 ff ff ff ff ff ff 00 31 d8 2a 00 00 00 00 00
> + * 00 21 01 03 81 a0 5a 78 02 00 00 00 00 00 00 00
> + * 00 00 00 20 00 00 01 01 01 01 01 01 01 01 01 01
> + * 01 01 01 01 01 01 02 3a 80 18 71 38 2d 40 58 2c
> + * 45 00 40 84 63 00 00 1e 00 00 00 fc 00 54 65 73
> + * 74 20 45 44 49 44 0a 20 20 20 00 00 00 fd 00 32
> + * 46 1e 46 0f 00 0a 20 20 20 20 20 20 00 00 00 10
> + * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 92
> + *
> + * 02 03 1b 81 e3 05 00 20 41 10 e2 00 4a 6d 03 0c
> + * 00 12 34 00 28 20 00 00 00 00 00 00 00 00 00 00
> + * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> + * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> + * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> + * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> + * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> + * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0
> + *
> + * ----------------
> + *
> + * Block 0, Base EDID:
> + * EDID Structure Version & Revision: 1.3
> + * Vendor & Product Identification:
> + * Manufacturer: LNX
> + * Model: 42
> + * Made in: 2023
> + * Basic Display Parameters & Features:
> + * Digital display
> + * DFP 1.x compatible TMDS
> + * Maximum image size: 160 cm x 90 cm
> + * Gamma: 2.20
> + * Monochrome or grayscale display
> + * First detailed timing is the preferred timing
> + * Color Characteristics:
> + * Red : 0.0000, 0.0000
> + * Green: 0.0000, 0.0000
> + * Blue : 0.0000, 0.0000
> + * White: 0.0000, 0.0000
> + * Established Timings I & II:
> + * DMT 0x04: 640x480 59.940476 Hz 4:3 31.469 kHz 25.175000 MHz
> + * Standard Timings: none
> + * Detailed Timing Descriptors:
> + * DTD 1: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 MHz (1600 mm x 900 mm)
> + * Hfront 88 Hsync 44 Hback 148 Hpol P
> + * Vfront 4 Vsync 5 Vback 36 Vpol P
> + * Display Product Name: 'Test EDID'
> + * Display Range Limits:
> + * Monitor ranges (GTF): 50-70 Hz V, 30-70 kHz H, max dotclock 150 MHz
> + * Dummy Descriptor:
> + * Extension blocks: 1
> + * Checksum: 0x92
> + *
> + * ----------------
> + *
> + * Block 1, CTA-861 Extension Block:
> + * Revision: 3
> + * Underscans IT Video Formats by default
> + * Native detailed modes: 1
> + * Colorimetry Data Block:
> + * sRGB
> + * Video Data Block:
> + * VIC 16: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 MHz
> + * Video Capability Data Block:
> + * YCbCr quantization: No Data
> + * RGB quantization: Selectable (via AVI Q)
> + * PT scan behavior: No Data
> + * IT scan behavior: Always Underscanned
> + * CE scan behavior: Always Underscanned
> + * Vendor-Specific Data Block (HDMI), OUI 00-0C-03:
> + * Source physical address: 1.2.3.4
> + * Maximum TMDS clock: 200 MHz
> + * Extended HDMI video details:
> + * Checksum: 0xd0 Unused space in Extension Block: 100 bytes
> + */
> +const unsigned char test_edid_hdmi_1080p_rgb_max_200mhz[] = {
Shouldn't this be a static one? It's defined in a header.
Best regards,
Alexander
> + 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x31, 0xd8, 0x2a, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x01, 0x03, 0x81, 0xa0, 0x5a, 0x78,
> + 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20,
> + 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
> + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x3a, 0x80, 0x18, 0x71, 0x38,
> + 0x2d, 0x40, 0x58, 0x2c, 0x45, 0x00, 0x40, 0x84, 0x63, 0x00, 0x00, 0x1e,
> + 0x00, 0x00, 0x00, 0xfc, 0x00, 0x54, 0x65, 0x73, 0x74, 0x20, 0x45, 0x44,
> + 0x49, 0x44, 0x0a, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x32,
> + 0x46, 0x00, 0x00, 0xc4, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
> + 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x41, 0x02, 0x03, 0x1b, 0x81,
> + 0xe3, 0x05, 0x00, 0x20, 0x41, 0x10, 0xe2, 0x00, 0x4a, 0x6d, 0x03, 0x0c,
> + 0x00, 0x12, 0x34, 0x00, 0x28, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> + 0x00, 0x00, 0x00, 0xd0
> +};
> +
> +#endif // DRM_KUNIT_EDID_H_
>
>
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