From: Jani Nikula <jani.nikula@linux.intel.com>
To: "Maxime Ripard" <maxime@cerno.tech>,
"Jernej Skrabec" <jernej.skrabec@gmail.com>,
"Martin Blumenstingl" <martin.blumenstingl@googlemail.com>,
"Chen-Yu Tsai" <wens@csie.org>,
"Philipp Zabel" <p.zabel@pengutronix.de>,
"Jerome Brunet" <jbrunet@baylibre.com>,
"Samuel Holland" <samuel@sholland.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Emma Anholt" <emma@anholt.net>,
"David Airlie" <airlied@linux.ie>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Noralf Trønnes" <noralf@tronnes.org>,
"Kevin Hilman" <khilman@baylibre.com>,
"Neil Armstrong" <narmstrong@baylibre.com>,
"Maxime Ripard" <mripard@kernel.org>
Cc: Dom Cobley <dom@raspberrypi.com>,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Maxime Ripard <maxime@cerno.tech>,
linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev,
Phil Elwell <phil@raspberrypi.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v1 04/35] drm/modes: Introduce 480i and 576i modes
Date: Tue, 02 Aug 2022 16:58:53 +0300 [thread overview]
Message-ID: <8735eeg31e.fsf@intel.com> (raw)
In-Reply-To: <20220728-rpi-analog-tv-properties-v1-4-3d53ae722097@cerno.tech>
On Fri, 29 Jul 2022, Maxime Ripard <maxime@cerno.tech> wrote:
> Multiple drivers (meson, vc4) define the analog TV 525-lines and 625-lines
> modes in the drivers.
>
> Since those modes are fairly standards, and that we'll need to use them in
> more places in the future, let's move the meson definition into the
> framework.
I think you should always expose interfaces, not data. Data is not an
interface, and I think this sets a bad example that will be cargo
culted.
BR,
Jani.
>
> The meson one was chosen because vc4's isn't accurate and doesn't amount to
> 525 and 625 lines.
>
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
>
> diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
> index 304004fb80aa..a4c1bd688338 100644
> --- a/drivers/gpu/drm/drm_modes.c
> +++ b/drivers/gpu/drm/drm_modes.c
> @@ -48,6 +48,24 @@
>
> #include "drm_crtc_internal.h"
>
> +const struct drm_display_mode drm_mode_480i = {
> + DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500,
> + 720, 739, 801, 858, 0,
> + 480, 488, 494, 525, 0,
> + DRM_MODE_FLAG_INTERLACE),
> + .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3,
> +};
> +EXPORT_SYMBOL_GPL(drm_mode_480i);
> +
> +const struct drm_display_mode drm_mode_576i = {
> + DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500,
> + 720, 732, 795, 864, 0,
> + 576, 580, 586, 625, 0,
> + DRM_MODE_FLAG_INTERLACE),
> + .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3,
> +};
> +EXPORT_SYMBOL_GPL(drm_mode_576i);
> +
> /**
> * drm_mode_debug_printmodeline - print a mode to dmesg
> * @mode: mode to print
> diff --git a/drivers/gpu/drm/meson/meson_encoder_cvbs.c b/drivers/gpu/drm/meson/meson_encoder_cvbs.c
> index 8110a6e39320..98ec3e563155 100644
> --- a/drivers/gpu/drm/meson/meson_encoder_cvbs.c
> +++ b/drivers/gpu/drm/meson/meson_encoder_cvbs.c
> @@ -45,21 +45,11 @@ struct meson_encoder_cvbs {
> struct meson_cvbs_mode meson_cvbs_modes[MESON_CVBS_MODES_COUNT] = {
> { /* PAL */
> .enci = &meson_cvbs_enci_pal,
> - .mode = {
> - DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500,
> - 720, 732, 795, 864, 0, 576, 580, 586, 625, 0,
> - DRM_MODE_FLAG_INTERLACE),
> - .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3,
> - },
> + .mode = &drm_mode_576i,
> },
> { /* NTSC */
> .enci = &meson_cvbs_enci_ntsc,
> - .mode = {
> - DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500,
> - 720, 739, 801, 858, 0, 480, 488, 494, 525, 0,
> - DRM_MODE_FLAG_INTERLACE),
> - .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3,
> - },
> + .mode = &drm_mode_480i,
> },
> };
>
> @@ -71,7 +61,7 @@ meson_cvbs_get_mode(const struct drm_display_mode *req_mode)
> for (i = 0; i < MESON_CVBS_MODES_COUNT; ++i) {
> struct meson_cvbs_mode *meson_mode = &meson_cvbs_modes[i];
>
> - if (drm_mode_match(req_mode, &meson_mode->mode,
> + if (drm_mode_match(req_mode, meson_mode->mode,
> DRM_MODE_MATCH_TIMINGS |
> DRM_MODE_MATCH_CLOCK |
> DRM_MODE_MATCH_FLAGS |
> @@ -104,7 +94,7 @@ static int meson_encoder_cvbs_get_modes(struct drm_bridge *bridge,
> for (i = 0; i < MESON_CVBS_MODES_COUNT; ++i) {
> struct meson_cvbs_mode *meson_mode = &meson_cvbs_modes[i];
>
> - mode = drm_mode_duplicate(priv->drm, &meson_mode->mode);
> + mode = drm_mode_duplicate(priv->drm, meson_mode->mode);
> if (!mode) {
> dev_err(priv->dev, "Failed to create a new display mode\n");
> return 0;
> diff --git a/drivers/gpu/drm/meson/meson_encoder_cvbs.h b/drivers/gpu/drm/meson/meson_encoder_cvbs.h
> index 61d9d183ce7f..26cefb202924 100644
> --- a/drivers/gpu/drm/meson/meson_encoder_cvbs.h
> +++ b/drivers/gpu/drm/meson/meson_encoder_cvbs.h
> @@ -16,7 +16,7 @@
>
> struct meson_cvbs_mode {
> struct meson_cvbs_enci_mode *enci;
> - struct drm_display_mode mode;
> + const struct drm_display_mode *mode;
> };
>
> #define MESON_CVBS_MODES_COUNT 2
> diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
> index a80ae9639e96..b4a440e2688c 100644
> --- a/include/drm/drm_modes.h
> +++ b/include/drm/drm_modes.h
> @@ -394,6 +394,9 @@ struct drm_display_mode {
>
> };
>
> +extern const struct drm_display_mode drm_mode_480i;
> +extern const struct drm_display_mode drm_mode_576i;
> +
> /**
> * DRM_MODE_FMT - printf string for &struct drm_display_mode
> */
--
Jani Nikula, Intel Open Source Graphics Center
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
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next prev parent reply other threads:[~2022-08-02 14:00 UTC|newest]
Thread overview: 151+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-29 16:34 [PATCH v1 00/35] drm: Analog TV Improvements Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 01/35] drm/atomic-helper: Rename drm_atomic_helper_connector_tv_reset to avoid ambiguity Maxime Ripard
2022-08-08 12:25 ` Noralf Trønnes
2022-07-29 16:34 ` [PATCH v1 02/35] drm/connector: Rename subconnector state variable Maxime Ripard
2022-08-08 12:26 ` Noralf Trønnes
2022-07-29 16:34 ` [PATCH v1 03/35] drm/atomic: Add TV subconnector property to get/set_property Maxime Ripard
2022-08-08 12:30 ` Noralf Trønnes
2022-08-15 7:35 ` Maxime Ripard
2022-08-15 10:48 ` Noralf Trønnes
2022-07-29 16:34 ` [PATCH v1 04/35] drm/modes: Introduce 480i and 576i modes Maxime Ripard
2022-08-02 13:58 ` Jani Nikula [this message]
2022-08-02 14:16 ` Thomas Zimmermann
2022-08-16 11:58 ` Maxime Ripard
2022-08-12 13:18 ` Geert Uytterhoeven
2022-08-16 13:26 ` Maxime Ripard
2022-08-16 15:00 ` Geert Uytterhoeven
2022-08-17 7:53 ` Maxime Ripard
2022-08-17 8:51 ` Geert Uytterhoeven
2022-08-17 13:14 ` Maxime Ripard
2022-08-17 14:01 ` Geert Uytterhoeven
2022-08-18 12:39 ` Maxime Ripard
2022-08-18 12:57 ` Geert Uytterhoeven
2022-08-18 13:42 ` Maxime Ripard
2022-08-18 15:34 ` Geert Uytterhoeven
2022-08-18 15:46 ` Maxime Ripard
2022-08-18 15:56 ` Geert Uytterhoeven
2022-08-24 16:42 ` Mateusz Kwiatkowski
2022-08-29 13:29 ` Maxime Ripard
2022-08-29 14:14 ` Geert Uytterhoeven
2022-08-29 14:33 ` Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 05/35] drm/connector: Add TV standard property Maxime Ripard
2022-08-08 12:44 ` Noralf Trønnes
2022-08-16 8:26 ` Maxime Ripard
2022-08-16 9:42 ` Noralf Trønnes
2022-08-16 9:49 ` Maxime Ripard
2022-08-16 19:35 ` Noralf Trønnes
2022-08-17 11:46 ` Maxime Ripard
2022-08-17 13:11 ` Noralf Trønnes
2022-08-17 23:23 ` Noralf Trønnes
2022-08-18 15:01 ` Noralf Trønnes
2022-08-18 15:31 ` Maxime Ripard
2022-08-21 11:43 ` Noralf Trønnes
2022-08-26 8:21 ` Maxime Ripard
2022-08-18 15:27 ` Maxime Ripard
2022-08-12 13:25 ` Geert Uytterhoeven
2022-08-16 13:20 ` Maxime Ripard
2022-08-16 13:29 ` Geert Uytterhoeven
2022-08-16 14:11 ` Maxime Ripard
2022-08-16 14:43 ` Geert Uytterhoeven
2022-08-16 15:49 ` Maxime Ripard
2022-08-17 7:31 ` Geert Uytterhoeven
2022-08-17 7:32 ` Geert Uytterhoeven
2022-08-17 7:47 ` Maxime Ripard
2022-08-17 8:35 ` Geert Uytterhoeven
2022-08-17 11:14 ` Maxime Ripard
2022-08-17 13:05 ` Geert Uytterhoeven
2022-08-17 13:18 ` Maxime Ripard
2022-08-17 14:04 ` Geert Uytterhoeven
2022-08-18 14:54 ` Maxime Ripard
2022-08-18 15:20 ` Geert Uytterhoeven
2022-08-18 15:34 ` Maxime Ripard
2022-08-19 9:35 ` Geert Uytterhoeven
2022-08-25 13:39 ` Maxime Ripard
2022-08-20 20:12 ` Noralf Trønnes
2022-08-25 13:44 ` Maxime Ripard
2022-08-25 15:13 ` Noralf Trønnes
2022-08-29 8:28 ` Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 06/35] drm/connector: Only register TV mode property if present Maxime Ripard
2022-08-08 12:49 ` Noralf Trønnes
2022-08-15 10:40 ` Maxime Ripard
2022-08-15 10:49 ` Noralf Trønnes
2022-07-29 16:34 ` [PATCH v1 07/35] drm/modes: Only consider bpp and refresh before options Maxime Ripard
2022-08-12 13:25 ` Geert Uytterhoeven
2022-08-16 12:20 ` Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 08/35] drm/client: Add some tests for drm_connector_pick_cmdline_mode() Maxime Ripard
2022-08-02 10:14 ` Thomas Zimmermann
2022-08-15 8:42 ` Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 09/35] drm/modes: Move named modes parsing to a separate function Maxime Ripard
2022-08-12 13:27 ` Geert Uytterhoeven
2022-08-16 13:46 ` Maxime Ripard
2022-08-16 14:44 ` Geert Uytterhoeven
2022-07-29 16:34 ` [PATCH v1 10/35] drm/modes: Switch to named mode descriptors Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 11/35] drm/modes: Fill drm_cmdline mode from named modes Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 12/35] drmi/modes: Properly generate a drm_display_mode from a named mode Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 13/35] drm/atomic-helper: Add a TV properties reset helper Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 14/35] drm/atomic-helper: Add an analog TV atomic_check implementation Maxime Ripard
2022-07-29 17:16 ` Mateusz Kwiatkowski
2022-08-15 8:30 ` Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 15/35] drm/vc4: vec: Remove empty mode_fixup Maxime Ripard
2022-07-29 16:34 ` [PATCH v1 16/35] drm/vc4: vec: Convert to atomic helpers Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 17/35] drm/vc4: vec: Refactor VEC TV mode setting Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 18/35] drm/vc4: vec: Remove redundant atomic_mode_set Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 19/35] drm/vc4: vec: Fix timings for VEC modes Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 20/35] drm/vc4: vec: Switch for common modes Maxime Ripard
2022-07-29 18:12 ` Mateusz Kwiatkowski
2022-08-16 11:57 ` Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 21/35] drm/vc4: vec: Fix definition of PAL-M mode Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 22/35] drm/vc4: vec: Use TV Reset implementation Maxime Ripard
2022-07-30 3:03 ` kernel test robot
2022-07-29 16:35 ` [PATCH v1 23/35] drm/vc4: vec: Convert to the new TV mode property Maxime Ripard
2022-08-20 17:22 ` Noralf Trønnes
2022-08-24 15:26 ` Maxime Ripard
2022-08-25 13:14 ` Noralf Trønnes
2022-08-29 12:13 ` Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 24/35] drm/vc4: vec: Add support for more analog TV standards Maxime Ripard
2022-07-29 17:55 ` Mateusz Kwiatkowski
2022-08-15 8:37 ` Maxime Ripard
2022-08-24 16:59 ` Mateusz Kwiatkowski
2022-07-29 16:35 ` [PATCH v1 25/35] drm/sun4i: tv: Remove unused mode_valid Maxime Ripard
2022-07-30 9:13 ` Jernej Škrabec
2022-07-29 16:35 ` [PATCH v1 26/35] drm/sun4i: tv: Convert to atomic hooks Maxime Ripard
2022-07-30 9:12 ` Jernej Škrabec
2022-07-29 16:35 ` [PATCH v1 27/35] drm/sun4i: tv: Merge mode_set into atomic_enable Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 28/35] drm/sun4i: tv: Remove useless function Maxime Ripard
2022-07-29 16:35 ` [PATCH v1 29/35] drm/sun4i: tv: Remove useless destroy function Maxime Ripard
2022-07-30 9:14 ` Jernej Škrabec
2022-07-29 16:35 ` [PATCH v1 30/35] drm/sun4i: tv: Rename error label Maxime Ripard
2022-07-30 9:15 ` Jernej Škrabec
2022-07-29 16:35 ` [PATCH v1 31/35] drm/sun4i: tv: Add missing reset assertion Maxime Ripard
2022-07-30 9:16 ` Jernej Škrabec
2022-07-29 16:35 ` [PATCH v1 32/35] drm/sun4i: tv: Convert to the new TV mode property Maxime Ripard
2022-08-28 17:12 ` Noralf Trønnes
2022-07-29 16:35 ` [PATCH v1 33/35] drm/connector: Remove TV modes property Maxime Ripard
2022-07-29 20:06 ` kernel test robot
2022-07-29 20:16 ` kernel test robot
2022-07-29 16:35 ` [PATCH v1 34/35] drm/modes: Introduce the tv_mode property as a command-line option Maxime Ripard
2022-08-12 13:31 ` Geert Uytterhoeven
2022-08-16 13:51 ` Maxime Ripard
2022-08-20 20:18 ` Noralf Trønnes
2022-08-24 15:45 ` Maxime Ripard
2022-08-24 17:08 ` Mateusz Kwiatkowski
2022-08-25 12:41 ` Noralf Trønnes
2022-08-26 6:46 ` Maxime Ripard
2022-08-28 17:06 ` Noralf Trønnes
2022-07-29 16:35 ` [PATCH v1 35/35] drm/modes: Introduce more named modes Maxime Ripard
2022-08-21 16:16 ` Noralf Trønnes
2022-08-25 14:22 ` Maxime Ripard
2022-08-08 13:03 ` [PATCH v1 00/35] drm: Analog TV Improvements Noralf Trønnes
2022-08-21 16:33 ` Noralf Trønnes
2022-08-22 7:48 ` Maxime Ripard
2022-08-22 8:57 ` Mateusz Kwiatkowski
2022-08-25 15:55 ` Maxime Ripard
2022-08-25 16:17 ` Mateusz Kwiatkowski
2022-08-26 4:07 ` Mateusz Kwiatkowski
2022-08-26 8:39 ` Maxime Ripard
2022-08-26 14:56 ` Dom Cobley
2022-08-27 16:11 ` Noralf Trønnes
2022-08-30 21:31 ` kFYatek
2022-08-22 13:21 ` Noralf Trønnes
2022-08-25 16:21 ` Maxime Ripard
2022-08-25 19:36 ` Noralf Trønnes
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