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Mon, 6 Jul 2026 07:27:47 +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 WgXvJfNYS2pBcQAAD6G6ig (envelope-from ); Mon, 06 Jul 2026 07:27:47 +0000 Message-ID: <9612bb41-db52-4169-a7fa-e57268d69e24@suse.de> Date: Mon, 6 Jul 2026 09:27:47 +0200 Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/9] drm: replace simple display pipe users with atomic helpers To: Ze Huang , Alexey Brodkin , Maarten Lankhorst , Maxime Ripard , David Airlie , Simona Vetter , Joel Stanley , Andrew Jeffery , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Linus Walleij , Hans de Goede , Alex Lanzano , Oleksandr Andrushchenko Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-aspeed@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, xen-devel@lists.xenproject.org References: <20260705-drm-simple-kms-removal-v1-0-b4e1ca053623@oss.qualcomm.com> Content-Language: en-US From: Thomas Zimmermann Autocrypt: addr=tzimmermann@suse.de; keydata= xsBNBFs50uABCADEHPidWt974CaxBVbrIBwqcq/WURinJ3+2WlIrKWspiP83vfZKaXhFYsdg XH47fDVbPPj+d6tQrw5lPQCyqjwrCPYnq3WlIBnGPJ4/jreTL6V+qfKRDlGLWFjZcsrPJGE0 BeB5BbqP5erN1qylK9i3gPoQjXGhpBpQYwRrEyQyjuvk+Ev0K1Jc5tVDeJAuau3TGNgah4Yc hdHm3bkPjz9EErV85RwvImQ1dptvx6s7xzwXTgGAsaYZsL8WCwDaTuqFa1d1jjlaxg6+tZsB 9GluwvIhSezPgnEmimZDkGnZRRSFiGP8yjqTjjWuf0bSj5rUnTGiyLyRZRNGcXmu6hjlABEB AAHNJ1Rob21hcyBaaW1tZXJtYW5uIDx0emltbWVybWFubkBzdXNlLmRlPsLAjgQTAQgAOAIb AwULCQgHAgYVCgkICwIEFgIDAQIeAQIXgBYhBHIX+6yM6c9jRKFo5WgNwR1TC3ojBQJftODH AAoJEGgNwR1TC3ojx1wH/0hKGWugiqDgLNXLRD/4TfHBEKmxIrmfu9Z5t7vwUKfwhFL6hqvo lXPJJKQpQ2z8+X2vZm/slsLn7J1yjrOsoJhKABDi+3QWWSGkaGwRJAdPVVyJMfJRNNNIKwVb U6B1BkX2XDKDGffF4TxlOpSQzdtNI/9gleOoUA8+jy8knnDYzjBNOZqLG2FuTdicBXblz0Mf vg41gd9kCwYXDnD91rJU8tzylXv03E75NCaTxTM+FBXPmsAVYQ4GYhhgFt8S2UWMoaaABLDe 7l5FdnLdDEcbmd8uLU2CaG4W2cLrUaI4jz2XbkcPQkqTQ3EB67hYkjiEE6Zy3ggOitiQGcqp j//OwE0EWznS4AEIAMYmP4M/V+T5RY5at/g7rUdNsLhWv1APYrh9RQefODYHrNRHUE9eosYb T6XMryR9hT8XlGOYRwKWwiQBoWSDiTMo/Xi29jUnn4BXfI2px2DTXwc22LKtLAgTRjP+qbU6 3Y0xnQN29UGDbYgyyK51DW3H0If2a3JNsheAAK+Xc9baj0LGIc8T9uiEWHBnCH+RdhgATnWW GKdDegUR5BkDfDg5O/FISymJBHx2Dyoklv5g4BzkgqTqwmaYzsl8UxZKvbaxq0zbehDda8lv hFXodNFMAgTLJlLuDYOGLK2AwbrS3Sp0AEbkpdJBb44qVlGm5bApZouHeJ/+n+7r12+lqdsA EQEAAcLAdgQYAQgAIAIbDBYhBHIX+6yM6c9jRKFo5WgNwR1TC3ojBQJftOH6AAoJEGgNwR1T C3ojVSkIALpAPkIJPQoURPb1VWjh34l0HlglmYHvZszJWTXYwavHR8+k6Baa6H7ufXNQtThR yIxJrQLW6rV5lm7TjhffEhxVCn37+cg0zZ3j7zIsSS0rx/aMwi6VhFJA5hfn3T0TtrijKP4A SAQO9xD1Zk9/61JWk8OysuIh7MXkl0fxbRKWE93XeQBhIJHQfnc+YBLprdnxR446Sh8Wn/2D Ya8cavuWf2zrB6cZurs048xe0UbSW5AOSo4V9M0jzYI4nZqTmPxYyXbm30Kvmz0rYVRaitYJ 4kyYYMhuULvrJDMjZRvaNe52tkKAvMevcGdt38H4KSVXAylqyQOW5zvPc4/sq9c= In-Reply-To: <20260705-drm-simple-kms-removal-v1-0-b4e1ca053623@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Flag: NO X-Spamd-Result: default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-0.997]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FREEMAIL_TO(0.00)[oss.qualcomm.com,synopsys.com,linux.intel.com,kernel.org,gmail.com,ffwll.ch,jms.id.au,codeconstruct.com.au,nxp.com,pengutronix.de,epam.com]; FUZZY_RATELIMITED(0.00)[rspamd.com]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; RCPT_COUNT_TWELVE(0.00)[22]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; RCVD_TLS_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TAGGED_RCPT(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:url,qualcomm.com:email,imap1.dmz-prg2.suse.org:helo] X-Spam-Level: X-Spam-Score: -2.80 Hi Am 04.07.26 um 20:31 schrieb Ze Huang: > struct drm_simple_display_pipe was meant to simplify simple DRM > drivers, but instead adds an extra wrapper around normal DRM atomic > helper setup. As noted in Documentation/gpu/todo.rst, remaining users > should be converted to regular atomic helpers and stop depending on the > simple-KMS interfaces. > > This series converts the following drivers: > > - arcpgu > - aspeed > - imx lcdc > - mcde > - pl111 > - gm12u320 > - repaper > - tve200 > - xen frontend > > Each patch replaces drm_simple_display_pipe_init() with explicit > primary plane, CRTC and encoder setup, and moves the old simple-pipe > callbacks into regular plane and CRTC helper callbacks named according > to local driver conventions. > > The conversions preserve helper behavior that used to be implicit in > drm_simple_kms_helper.c, including plane-state validation, CRTC > primary-plane checks, affected-plane propagation, framebuffer prepare > handling, and existing event/vblank flow where applicable. > > Result is less helper indirection and more explicit driver-side atomic > wiring, with no remaining simple-KMS dependency in these drivers. > > These changes are build-tested only. No hardware testing has been > performed on the affected devices. Thanks a lot for the series. That's quite a nice cleanup.  Did you use any AI to create these patches? Best regards Thomas > > This series is based on drm-next-2026-06-27. > > Thanks, > Ze Huang > > Signed-off-by: Ze Huang > --- > Ze Huang (9): > drm/arcpgu: replace struct drm_simple_display_pipe with regular atomic helpers > drm/aspeed: replace struct drm_simple_display_pipe with regular atomic helpers > drm/imx: replace struct drm_simple_display_pipe with regular atomic helpers > drm/mcde: replace struct drm_simple_display_pipe with regular atomic helpers > drm/pl111: replace struct drm_simple_display_pipe with regular atomic helpers > drm/gm12u320: replace struct drm_simple_display_pipe with regular atomic helpers > drm/repaper: replace struct drm_simple_display_pipe with regular atomic helpers > drm/tve200: replace struct drm_simple_display_pipe with regular atomic helpers > drm/xen: replace struct drm_simple_display_pipe with regular atomic helpers > > drivers/gpu/drm/aspeed/aspeed_gfx.h | 5 +- > drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c | 156 ++++++++++++++++------ > drivers/gpu/drm/aspeed/aspeed_gfx_drv.c | 3 +- > drivers/gpu/drm/imx/lcdc/imx-lcdc.c | 178 ++++++++++++++++++------- > drivers/gpu/drm/mcde/mcde_display.c | 162 ++++++++++++++++------ > drivers/gpu/drm/mcde/mcde_drm.h | 6 +- > drivers/gpu/drm/mcde/mcde_drv.c | 3 +- > drivers/gpu/drm/pl111/pl111_display.c | 174 ++++++++++++++++++------ > drivers/gpu/drm/pl111/pl111_drm.h | 5 +- > drivers/gpu/drm/pl111/pl111_drv.c | 3 +- > drivers/gpu/drm/tiny/arcpgu.c | 165 ++++++++++++++++++----- > drivers/gpu/drm/tiny/gm12u320.c | 128 ++++++++++++++---- > drivers/gpu/drm/tiny/repaper.c | 130 ++++++++++++++---- > drivers/gpu/drm/tve200/tve200_display.c | 221 +++++++++++++++++++++---------- > drivers/gpu/drm/tve200/tve200_drm.h | 6 +- > drivers/gpu/drm/tve200/tve200_drv.c | 17 ++- > drivers/gpu/drm/xen/xen_drm_front.h | 6 +- > drivers/gpu/drm/xen/xen_drm_front_kms.c | 177 +++++++++++++++++++------ > 18 files changed, 1164 insertions(+), 381 deletions(-) > --- > base-commit: 3696d07837d1df13a5603d77f667685e7dfb3c53 > change-id: 20260704-drm-simple-kms-removal-01a031c6a129 > > Best regards, > -- > Ze Huang > -- -- 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)