From: Maxime Ripard <maxime@cerno.tech>
To: Jernej Skrabec <jernej.skrabec@gmail.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
Ben Skeggs <bskeggs@redhat.com>, David Airlie <airlied@linux.ie>,
Maxime Ripard <mripard@kernel.org>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Emma Anholt <emma@anholt.net>, Karol Herbst <kherbst@redhat.com>,
Samuel Holland <samuel@sholland.org>,
Jani Nikula <jani.nikula@linux.intel.com>,
Thomas Zimmermann <tzimmermann@suse.de>,
Daniel Vetter <daniel@ffwll.ch>, Lyude Paul <lyude@redhat.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>,
Chen-Yu Tsai <wens@csie.org>
Cc: Dom Cobley <dom@raspberrypi.com>,
nouveau@lists.freedesktop.org, intel-gfx@lists.freedesktop.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-sunxi@lists.linux.dev, Hans de Goede <hdegoede@redhat.com>,
Noralf Trønnes <noralf@tronnes.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Maxime Ripard <maxime@cerno.tech>,
Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com>,
Phil Elwell <phil@raspberrypi.com>,
linux-arm-kernel@lists.infradead.org
Subject: [Nouveau] [PATCH v2 27/33] drm/atomic-helper: Add an analog TV atomic_check implementation
Date: Thu, 22 Sep 2022 16:25:44 +0200 [thread overview]
Message-ID: <20220728-rpi-analog-tv-properties-v2-27-f733a0ed9f90@cerno.tech> (raw)
In-Reply-To: <20220728-rpi-analog-tv-properties-v2-0-f733a0ed9f90@cerno.tech>
The analog TV connector drivers share some atomic_check logic, and the new
TV standard property have created a bunch of new constraints that needs to
be shared across drivers too.
Let's create an atomic_check helper for those use cases.
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
diff --git a/drivers/gpu/drm/drm_atomic_state_helper.c b/drivers/gpu/drm/drm_atomic_state_helper.c
index 0373c3dc824b..e88c57a4f7be 100644
--- a/drivers/gpu/drm/drm_atomic_state_helper.c
+++ b/drivers/gpu/drm/drm_atomic_state_helper.c
@@ -556,6 +556,55 @@ void drm_atomic_helper_connector_tv_reset(struct drm_connector *connector)
}
EXPORT_SYMBOL(drm_atomic_helper_connector_tv_reset);
+/**
+ * @drm_atomic_helper_connector_tv_check: Validate an analog TV connector state
+ * @connector: DRM Connector
+ * @state: the DRM State object
+ *
+ * Checks the state object to see if the requested state is valid for an
+ * analog TV connector.
+ *
+ * Returns:
+ * Zero for success, a negative error code on error.
+ */
+int drm_atomic_helper_connector_tv_check(struct drm_connector *connector,
+ struct drm_atomic_state *state)
+{
+ struct drm_connector_state *old_conn_state =
+ drm_atomic_get_old_connector_state(state, connector);
+ struct drm_connector_state *new_conn_state =
+ drm_atomic_get_new_connector_state(state, connector);
+ struct drm_crtc_state *crtc_state;
+ struct drm_crtc *crtc;
+
+ crtc = new_conn_state->crtc;
+ if (!crtc)
+ return 0;
+
+ crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+ if (!crtc_state)
+ return -EINVAL;
+
+ if (old_conn_state->tv.mode != new_conn_state->tv.mode)
+ crtc_state->mode_changed = true;
+
+ if ((old_conn_state->tv.margins.left != new_conn_state->tv.margins.left) ||
+ (old_conn_state->tv.margins.right != new_conn_state->tv.margins.right) ||
+ (old_conn_state->tv.margins.top != new_conn_state->tv.margins.top) ||
+ (old_conn_state->tv.margins.bottom != new_conn_state->tv.margins.bottom) ||
+ (old_conn_state->tv.mode != new_conn_state->tv.mode) ||
+ (old_conn_state->tv.brightness != new_conn_state->tv.brightness) ||
+ (old_conn_state->tv.contrast != new_conn_state->tv.contrast) ||
+ (old_conn_state->tv.flicker_reduction != new_conn_state->tv.flicker_reduction) ||
+ (old_conn_state->tv.overscan != new_conn_state->tv.overscan) ||
+ (old_conn_state->tv.saturation != new_conn_state->tv.saturation) ||
+ (old_conn_state->tv.hue != new_conn_state->tv.hue))
+ crtc_state->connectors_changed = true;
+
+ return 0;
+}
+EXPORT_SYMBOL(drm_atomic_helper_connector_tv_check);
+
/**
* __drm_atomic_helper_connector_duplicate_state - copy atomic connector state
* @connector: connector object
diff --git a/include/drm/drm_atomic_state_helper.h b/include/drm/drm_atomic_state_helper.h
index c8fbce795ee7..b9740edb2658 100644
--- a/include/drm/drm_atomic_state_helper.h
+++ b/include/drm/drm_atomic_state_helper.h
@@ -26,6 +26,7 @@
#include <linux/types.h>
+struct drm_atomic_state;
struct drm_bridge;
struct drm_bridge_state;
struct drm_crtc;
@@ -71,6 +72,8 @@ void __drm_atomic_helper_connector_reset(struct drm_connector *connector,
struct drm_connector_state *conn_state);
void drm_atomic_helper_connector_reset(struct drm_connector *connector);
void drm_atomic_helper_connector_tv_reset(struct drm_connector *connector);
+int drm_atomic_helper_connector_tv_check(struct drm_connector *connector,
+ struct drm_atomic_state *state);
void drm_atomic_helper_connector_tv_margins_reset(struct drm_connector *connector);
void
__drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,
--
b4 0.10.0
next prev parent reply other threads:[~2022-09-22 14:29 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-22 14:25 [Nouveau] [PATCH v2 00/33] drm: Analog TV Improvements Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 01/33] drm/tests: Order Kunit tests in Makefile Maxime Ripard
2022-09-23 8:06 ` Thomas Zimmermann
2022-09-24 17:33 ` Noralf Trønnes
2022-09-22 14:25 ` [Nouveau] [PATCH v2 02/33] drm/tests: Add Kunit Helpers Maxime Ripard
2022-09-24 17:56 ` Noralf Trønnes
2022-09-24 18:06 ` Noralf Trønnes
2022-09-26 9:36 ` Maxime Ripard
2022-09-26 12:15 ` Noralf Trønnes
2022-09-22 14:25 ` [Nouveau] [PATCH v2 03/33] drm/atomic-helper: Rename drm_atomic_helper_connector_tv_reset to avoid ambiguity Maxime Ripard
2022-09-23 8:09 ` Thomas Zimmermann
2022-09-22 14:25 ` [Nouveau] [PATCH v2 04/33] drm/connector: Rename subconnector state variable Maxime Ripard
2022-09-23 8:14 ` Thomas Zimmermann
2022-09-22 14:25 ` [Nouveau] [PATCH v2 05/33] drm/atomic: Add TV subconnector property to get/set_property Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 06/33] drm/connector: Rename legacy TV property Maxime Ripard
2022-09-22 20:44 ` Lyude Paul
2022-09-23 8:19 ` Thomas Zimmermann
2022-09-26 9:50 ` Maxime Ripard
2022-09-26 12:34 ` Thomas Zimmermann
2022-09-24 15:38 ` Noralf Trønnes
2022-09-22 14:25 ` [Nouveau] [PATCH v2 07/33] drm/connector: Only register TV mode property if present Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 08/33] drm/connector: Rename drm_mode_create_tv_properties Maxime Ripard
2022-09-22 20:45 ` Lyude Paul
2022-09-24 15:43 ` Noralf Trønnes
2022-09-22 14:25 ` [Nouveau] [PATCH v2 09/33] drm/connector: Add TV standard property Maxime Ripard
2022-09-24 15:52 ` Noralf Trønnes
2022-09-26 10:01 ` Maxime Ripard
2022-09-26 12:59 ` Noralf Trønnes
2022-09-22 14:25 ` [Nouveau] [PATCH v2 10/33] drm/modes: Add a function to generate analog display modes Maxime Ripard
2022-09-23 9:05 ` Thomas Zimmermann
2022-09-23 9:18 ` Jani Nikula
2022-09-23 10:16 ` Thomas Zimmermann
2022-09-26 10:18 ` Maxime Ripard
2022-09-26 10:55 ` Thomas Zimmermann
2022-09-26 10:17 ` Maxime Ripard
2022-09-26 10:34 ` Geert Uytterhoeven
2022-09-26 11:17 ` Thomas Zimmermann
2022-09-26 12:42 ` Maxime Ripard
2022-09-26 13:02 ` Thomas Zimmermann
2022-09-22 14:25 ` [Nouveau] [PATCH v2 11/33] drm/modes: Only consider bpp and refresh before options Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 12/33] drm/modes: parse_cmdline: Add support for named modes containing dashes Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 13/33] drm/client: Add some tests for drm_connector_pick_cmdline_mode() Maxime Ripard
2022-09-23 9:15 ` Thomas Zimmermann
2022-09-23 9:26 ` Javier Martinez Canillas
2022-09-23 10:30 ` Thomas Zimmermann
2022-09-23 11:01 ` Javier Martinez Canillas
2022-09-23 11:14 ` Maxime Ripard
2022-09-23 11:59 ` Jani Nikula
2022-09-22 14:25 ` [Nouveau] [PATCH v2 14/33] drm/modes: Move named modes parsing to a separate function Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 15/33] drm/modes: Bail out of named mode parsing if empty Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 16/33] drm/modes: Bail out of named mode parsing early if it's a number Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 17/33] drm/modes: Bail out of named mode parsing early if it's an option Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 18/33] drm/modes: Bail out of named mode parsing early if it's a status Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 19/33] drm/modes: Switch to named mode descriptors Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 20/33] drm/modes: Fill drm_cmdline mode from named modes Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 21/33] drm/connector: Add pixel clock to cmdline mode Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 22/33] drm/connector: Add a function to lookup a TV mode by its name Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 23/33] drm/modes: Introduce the tv_mode property as a command-line option Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 24/33] drm/modes: Properly generate a drm_display_mode from a named mode Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 25/33] drm/modes: Introduce more named modes Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 26/33] drm/atomic-helper: Add a TV properties reset helper Maxime Ripard
2022-09-22 14:25 ` Maxime Ripard [this message]
2022-09-24 15:58 ` [Nouveau] [PATCH v2 27/33] drm/atomic-helper: Add an analog TV atomic_check implementation Noralf Trønnes
2022-09-22 14:25 ` [Nouveau] [PATCH v2 28/33] drm/vc4: vec: Fix definition of PAL-M mode Maxime Ripard
2022-09-24 15:59 ` Noralf Trønnes
2022-09-22 14:25 ` [Nouveau] [PATCH v2 29/33] drm/vc4: vec: Use TV Reset implementation Maxime Ripard
2022-09-22 14:25 ` [Nouveau] [PATCH v2 30/33] drm/vc4: vec: Check for VEC output constraints Maxime Ripard
2022-09-24 16:00 ` Noralf Trønnes
2022-09-22 14:25 ` [Nouveau] [PATCH v2 31/33] drm/vc4: vec: Convert to the new TV mode property Maxime Ripard
2022-09-24 17:09 ` Noralf Trønnes
2022-09-22 14:25 ` [Nouveau] [PATCH v2 32/33] drm/vc4: vec: Add support for more analog TV standards Maxime Ripard
2022-09-24 17:12 ` Noralf Trønnes
2022-09-22 14:25 ` [Nouveau] [PATCH v2 33/33] drm/sun4i: tv: Convert to the new TV mode property Maxime Ripard
2022-09-22 14:31 ` [Nouveau] [PATCH v2 00/33] drm: Analog TV Improvements Maxime Ripard
2022-09-25 15:58 ` Noralf Trønnes
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220728-rpi-analog-tv-properties-v2-27-f733a0ed9f90@cerno.tech \
--to=maxime@cerno.tech \
--cc=airlied@linux.ie \
--cc=bskeggs@redhat.com \
--cc=daniel@ffwll.ch \
--cc=dom@raspberrypi.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=emma@anholt.net \
--cc=geert@linux-m68k.org \
--cc=hdegoede@redhat.com \
--cc=intel-gfx@lists.freedesktop.org \
--cc=jani.nikula@linux.intel.com \
--cc=jernej.skrabec@gmail.com \
--cc=joonas.lahtinen@linux.intel.com \
--cc=kfyatek+publicgit@gmail.com \
--cc=kherbst@redhat.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-sunxi@lists.linux.dev \
--cc=lyude@redhat.com \
--cc=maarten.lankhorst@linux.intel.com \
--cc=mripard@kernel.org \
--cc=noralf@tronnes.org \
--cc=nouveau@lists.freedesktop.org \
--cc=phil@raspberrypi.com \
--cc=rodrigo.vivi@intel.com \
--cc=samuel@sholland.org \
--cc=tvrtko.ursulin@linux.intel.com \
--cc=tzimmermann@suse.de \
--cc=wens@csie.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).