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c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1755764547; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=eU7TYaqJ6duBML6uqVqJigVOdQm0L8koItjVVhsfmDY=; b=+9vMn/zlV0/9G7plhgdmRfTkp3ACIUUvEf9Man6jSLLAQMGCg7LRLEpn6WXefo+gK4n8fz c7w74sX7QUxboSCw== From: Thomas Zimmermann To: simona@ffwll.ch, airlied@gmail.com, mripard@kernel.org, maarten.lankhorst@linux.intel.com, geert@linux-m68k.org, tomi.valkeinen@ideasonboard.com Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, imx@lists.linux.dev, linux-samsung-soc@vger.kernel.org, nouveau@lists.freedesktop.org, virtualization@lists.linux.dev, spice-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-tegra@vger.kernel.org, intel-xe@lists.freedesktop.org, xen-devel@lists.xenproject.org, Thomas Zimmermann , Laurent Pinchart Subject: [PATCH v6 25/25] drm/xlnx: Compute dumb-buffer sizes with drm_mode_size_dumb() Date: Thu, 21 Aug 2025 10:17:32 +0200 Message-ID: <20250821081918.79786-26-tzimmermann@suse.de> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250821081918.79786-1-tzimmermann@suse.de> References: <20250821081918.79786-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spam-Level: X-Spamd-Result: default: False [-1.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; 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]; RCPT_COUNT_TWELVE(0.00)[22]; 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)[ffwll.ch,gmail.com,kernel.org,linux.intel.com,linux-m68k.org,ideasonboard.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(RLqirfcw6gnbcr9a9yhi49fhi6),to(RLbwen1niosrcqbxsafh1)]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Spam-Flag: NO X-Spam-Score: -1.30 X-ZohoMail-DKIM: pass (identity @suse.de) X-ZM-MESSAGEID: 1755765379761124100 Content-Type: text/plain; charset="utf-8" Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and buffer size. Align the pitch according to hardware requirements. Signed-off-by: Thomas Zimmermann Cc: Laurent Pinchart Cc: Tomi Valkeinen Reviewed-by: Laurent Pinchart Reviewed-by: Tomi Valkeinen --- drivers/gpu/drm/xlnx/zynqmp_kms.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/xlnx/zynqmp_kms.c b/drivers/gpu/drm/xlnx/zynqm= p_kms.c index 2bee0a2275ed..02f3a7d78cf8 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_kms.c +++ b/drivers/gpu/drm/xlnx/zynqmp_kms.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -363,10 +364,12 @@ static int zynqmp_dpsub_dumb_create(struct drm_file *= file_priv, struct drm_mode_create_dumb *args) { struct zynqmp_dpsub *dpsub =3D to_zynqmp_dpsub(drm); - unsigned int pitch =3D DIV_ROUND_UP(args->width * args->bpp, 8); + int ret; =20 /* Enforce the alignment constraints of the DMA engine. */ - args->pitch =3D ALIGN(pitch, dpsub->dma_align); + ret =3D drm_mode_size_dumb(drm, args, dpsub->dma_align, 0); + if (ret) + return ret; =20 return drm_gem_dma_dumb_create_internal(file_priv, drm, args); } --=20 2.50.1