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b=s0urtQio5DNKuQ/KqHSfG8/RuBTCma92vHuYjFpWfsfRGi5I1wjtVTt3vCPDRmykyX9rDi VyppdKxnFjK04zAw== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id AD1391352D; Thu, 27 Aug 2026 08:29:21 +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 GMYMKWH1j2p4PAAAD6G6ig (envelope-from ); Thu, 27 Aug 2026 08:29:21 +0000 From: Thomas Zimmermann To: shiyongbang@huawei.com, kong.kongxinwei@hisilicon.com, tiantao6@hisilicon.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@gmail.com, simona@ffwll.ch Cc: dri-devel@lists.freedesktop.org, Thomas Zimmermann Subject: [PATCH 1/2] drm/hibmc: Return IRQ_NONE for unhandled interrupts Date: Thu, 27 Aug 2026 10:23:44 +0200 Message-ID: <20260827082915.61176-2-tzimmermann@suse.de> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260827082915.61176-1-tzimmermann@suse.de> References: <20260827082915.61176-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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)[-0.999]; MIME_GOOD(-0.10)[text/plain]; RCVD_COUNT_TWO(0.00)[2]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCPT_COUNT_SEVEN(0.00)[9]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.de:email,suse.de:mid]; FREEMAIL_TO(0.00)[huawei.com,hisilicon.com,linux.intel.com,kernel.org,gmail.com,ffwll.ch]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_DN_SOME(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Let the kernel know if hibmc did not handle an interrupt. Allows the kernel to detect spurious interrupts and maintain diagnostics. Signed-off-by: Thomas Zimmermann --- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c index 4d85c89f3f88..602930964e93 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c @@ -49,9 +49,10 @@ static irqreturn_t hibmc_interrupt(int irq, void *arg) writel(HIBMC_RAW_INTERRUPT_VBLANK(1), priv->mmio + HIBMC_RAW_INTERRUPT); drm_handle_vblank(dev, 0); + return IRQ_HANDLED; } - return IRQ_HANDLED; + return IRQ_NONE; } static irqreturn_t hibmc_dp_interrupt(int irq, void *arg) @@ -67,7 +68,7 @@ static irqreturn_t hibmc_dp_interrupt(int irq, void *arg) return IRQ_WAKE_THREAD; } - return IRQ_HANDLED; + return IRQ_NONE; } static int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev, -- 2.55.0