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Tue, 21 Apr 2026 13:20:42 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id GQWEBKp552l4BwAAD6G6ig (envelope-from ); Tue, 21 Apr 2026 13:20:42 +0000 Message-ID: <9281f136-266a-4312-80c9-73dab3bfa582@suse.de> Date: Tue, 21 Apr 2026 15:20:41 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 07/20] drm/atomic-state-helper: Rename __drm_atomic_helper_plane_state_reset() To: Maxime Ripard , Maarten Lankhorst , David Airlie , Simona Vetter , Jonathan Corbet , Shuah Khan , Dmitry Baryshkov , Jyri Sarha , Tomi Valkeinen , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Simon Ser , Harry Wentland , Melissa Wen , Sebastian Wick , Alex Hung , Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , Chen-Yu Tsai , Samuel Holland , Dave Stevenson , =?UTF-8?Q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance Cc: dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Stone , intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev References: <20260320-drm-mode-config-init-v2-0-c63f1134e76c@kernel.org> <20260320-drm-mode-config-init-v2-7-c63f1134e76c@kernel.org> Content-Language: en-US From: Thomas Zimmermann Autocrypt: addr=tzimmermann@suse.de; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Action: no action X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; MIME_TRACE(0.00)[0:+]; FREEMAIL_TO(0.00)[kernel.org,linux.intel.com,gmail.com,ffwll.ch,lwn.net,linuxfoundation.org,oss.qualcomm.com,iki.fi,ideasonboard.com,intel.com,linaro.org,kwiboo.se,emersion.fr,amd.com,igalia.com,redhat.com,ursulin.net,sholland.org,raspberrypi.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_TWELVE(0.00)[37]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; ARC_NA(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TAGGED_RCPT(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; R_RATELIMIT(0.00)[to_ip_from(RL7gneoo7ydcsn9o76mxr5d8pb)]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,suse.com:url,suse.de:dkim,suse.de:mid,suse.de:email,ideasonboard.com:email] X-Rspamd-Queue-Id: 072E66A896 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260421_062045_336650_B0A3F4E7 X-CRM114-Status: GOOD ( 20.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Am 20.03.26 um 17:27 schrieb Maxime Ripard: > __drm_atomic_helper_plane_state_reset() is used to initialize a newly > allocated drm_plane_state, and is being typically called by the > drm_plane_funcs.reset implementation. > > Since we want to consolidate DRM objects state allocation around the > atomic_create_state callback that will only allocate and initialize a > new drm_plane_state instance, we will need to call > __drm_atomic_helper_plane_state_reset() from both the reset and > atomic_create hooks. > > To avoid any confusion, we can thus rename > __drm_atomic_helper_plane_state_reset() to > __drm_atomic_helper_plane_state_init(). > > Suggested-by: Laurent Pinchart > Signed-off-by: Maxime Ripard Reviewed-by: Thomas Zimmermann I think the renaming makes sense even without the atomic_create_state callbacks. > * Initializes the newly allocated @plane_state with default > * values. This is useful for drivers that subclass the CRTC state. > */ > -void __drm_atomic_helper_plane_state_reset(struct drm_plane_state *plane_state, > - struct drm_plane *plane) > +void __drm_atomic_helper_plane_state_init(struct drm_plane_state *plane_state, > + struct drm_plane *plane) All such helpers are now just common init functions and you could drop the double-underscores from the name, I think. Best regards Thomas > { > u64 val; > > plane_state->plane = plane; > plane_state->rotation = DRM_MODE_ROTATE_0; > @@ -295,11 +295,11 @@ void __drm_atomic_helper_plane_state_reset(struct drm_plane_state *plane_state, > plane->hotspot_y_property, > &val)) > plane_state->hotspot_y = val; > } > } > -EXPORT_SYMBOL(__drm_atomic_helper_plane_state_reset); > +EXPORT_SYMBOL(__drm_atomic_helper_plane_state_init); > > /** > * __drm_atomic_helper_plane_reset - reset state on plane > * @plane: drm plane > * @plane_state: plane state to assign > @@ -313,11 +313,11 @@ EXPORT_SYMBOL(__drm_atomic_helper_plane_state_reset); > */ > void __drm_atomic_helper_plane_reset(struct drm_plane *plane, > struct drm_plane_state *plane_state) > { > if (plane_state) > - __drm_atomic_helper_plane_state_reset(plane_state, plane); > + __drm_atomic_helper_plane_state_init(plane_state, plane); > > plane->state = plane_state; > } > EXPORT_SYMBOL(__drm_atomic_helper_plane_reset); > > diff --git a/drivers/gpu/drm/i915/display/intel_plane.c b/drivers/gpu/drm/i915/display/intel_plane.c > index e06a0618b4c6cd3b4d13752f604006b525118193..705367fef836663e50fe9bbfb1fcc83abf1fb249 100644 > --- a/drivers/gpu/drm/i915/display/intel_plane.c > +++ b/drivers/gpu/drm/i915/display/intel_plane.c > @@ -65,11 +65,11 @@ > static void intel_plane_state_reset(struct intel_plane_state *plane_state, > struct intel_plane *plane) > { > memset(plane_state, 0, sizeof(*plane_state)); > > - __drm_atomic_helper_plane_state_reset(&plane_state->uapi, &plane->base); > + __drm_atomic_helper_plane_state_init(&plane_state->uapi, &plane->base); > > plane_state->scaler_id = -1; > } > > struct intel_plane *intel_plane_alloc(void) > diff --git a/include/drm/drm_atomic_state_helper.h b/include/drm/drm_atomic_state_helper.h > index 900672c6ea90ba9cb87e38a7c84225972aee43c5..44e8850aae7fd6390f4b58188a9c677b8389702f 100644 > --- a/include/drm/drm_atomic_state_helper.h > +++ b/include/drm/drm_atomic_state_helper.h > @@ -51,11 +51,11 @@ struct drm_crtc_state * > drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc); > void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc_state *state); > void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc, > struct drm_crtc_state *state); > > -void __drm_atomic_helper_plane_state_reset(struct drm_plane_state *state, > +void __drm_atomic_helper_plane_state_init(struct drm_plane_state *state, > struct drm_plane *plane); > void __drm_atomic_helper_plane_reset(struct drm_plane *plane, > struct drm_plane_state *state); > void drm_atomic_helper_plane_reset(struct drm_plane *plane); > void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane, > -- -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Frankenstr. 146, 90461 Nürnberg, Germany, www.suse.com GF: Jochen Jaser, Andrew McDonald, Werner Knoblich, (HRB 36809, AG Nürnberg)