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Wed, 27 May 2026 14:51:20 +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 yBPkCOgEF2qsegAAD6G6ig (envelope-from ); Wed, 27 May 2026 14:51:20 +0000 From: Thomas Zimmermann To: mripard@kernel.org, maarten.lankhorst@linux.intel.com, airlied@redhat.com, airlied@gmail.com, simona@ffwll.ch, admin@kodeit.net, gargaditya08@proton.me, paul@crapouillou.net, jani.nikula@linux.intel.com, mhklinux@outlook.com, zack.rusin@broadcom.com, bcm-kernel-feedback-list@broadcom.com Cc: dri-devel@lists.freedesktop.org, linux-hyperv@vger.kernel.org, intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-mips@vger.kernel.org, virtualization@lists.linux.dev, Thomas Zimmermann Subject: [PATCH v3 02/10] drm/atomic-helpers: Evaluate plane damage after atomic_check Date: Wed, 27 May 2026 16:46:21 +0200 Message-ID: <20260527145113.241595-3-tzimmermann@suse.de> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260527145113.241595-1-tzimmermann@suse.de> References: <20260527145113.241595-1-tzimmermann@suse.de> Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Flag: NO X-Spam-Score: -6.80 X-Spam-Level: X-Spamd-Result: default: False [-6.80 / 50.00]; REPLY(-4.00)[]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-0.992]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:email,suse.de:mid,imap1.dmz-prg2.suse.org:helo]; RCPT_COUNT_TWELVE(0.00)[19]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; FROM_HAS_DN(0.00)[]; FREEMAIL_TO(0.00)[kernel.org,linux.intel.com,redhat.com,gmail.com,ffwll.ch,kodeit.net,proton.me,crapouillou.net,outlook.com,broadcom.com]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLqqu4k9zio1uathxs7idfp4sa)]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FREEMAIL_ENVRCPT(0.00)[gmail.com,outlook.com] Each plane's and CRTC's atomic_check might trigger a full modeset. As this affects the plane's damage handling, evaluate damage clips after running the atomic_check helpers. Examples can be found in a number of drivers, such as ast, gud, ingenic, mgag200 or vmwgfx, which all set mode_changed in the CRTC state to true. Ingenic even reevaluates damage information in its plane's atomic_check. Doing this after the atomic_check helpers ran benefits all drivers. There's already a damage evaluation before the calls to atomic_check. With a few fixes to drivers, this can be removed. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/drm_atomic_helper.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 51f39edc31ed..4c37299e8ccb 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1065,6 +1065,10 @@ drm_atomic_helper_check_planes(struct drm_device *dev, } } + for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) { + drm_atomic_helper_check_plane_damage(state, new_plane_state); + } + return ret; } EXPORT_SYMBOL(drm_atomic_helper_check_planes); -- 2.54.0