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Tue, 4 Mar 2025 13:42:11 +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 LmDXKDMDx2eNIgAAD6G6ig (envelope-from ); Tue, 04 Mar 2025 13:42:11 +0000 From: Takashi Iwai To: Gerd Hoffmann Cc: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , virtualization@lists.linux.dev, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/bochs: Fix DPMS regression Date: Tue, 4 Mar 2025 14:41:57 +0100 Message-ID: <20250304134203.20534-1-tiwai@suse.de> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spam-Level: X-Spamd-Result: default: False [-2.80 / 50.00]; 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)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_SEVEN(0.00)[7]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.de:email,suse.de:mid,suse.com:url]; RCVD_TLS_ALL(0.00)[] X-Spam-Score: -2.80 X-Spam-Flag: NO Content-Type: text/plain; charset="utf-8" The recent rewrite with the use of regular atomic helpers broke the DPMS unblanking on X11. Fix it by moving the call of bochs_hw_blank(false) from CRTC mode_set_nofb() to atomic_enable(). Fixes: 2037174993c8 ("drm/bochs: Use regular atomic helpers") Link: https://bugzilla.suse.com/show_bug.cgi?id=3D1238209 Signed-off-by: Takashi Iwai Reviewed-by: Thomas Zimmermann --- drivers/gpu/drm/tiny/bochs.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/tiny/bochs.c b/drivers/gpu/drm/tiny/bochs.c index 76e29950a807..c1c7d6c9e85f 100644 --- a/drivers/gpu/drm/tiny/bochs.c +++ b/drivers/gpu/drm/tiny/bochs.c @@ -323,8 +323,6 @@ static void bochs_hw_setmode(struct bochs_device *bochs= , struct drm_display_mode bochs->xres, bochs->yres, bochs->bpp, bochs->yres_virtual); =20 - bochs_hw_blank(bochs, false); - bochs_dispi_write(bochs, VBE_DISPI_INDEX_ENABLE, 0); bochs_dispi_write(bochs, VBE_DISPI_INDEX_BPP, bochs->bpp); bochs_dispi_write(bochs, VBE_DISPI_INDEX_XRES, bochs->xres); @@ -494,6 +492,9 @@ static int bochs_crtc_helper_atomic_check(struct drm_cr= tc *crtc, static void bochs_crtc_helper_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_state *state) { + struct bochs_device *bochs =3D to_bochs_device(crtc->dev); + + bochs_hw_blank(bochs, false); } =20 static void bochs_crtc_helper_atomic_disable(struct drm_crtc *crtc, --=20 2.43.0