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c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1749805485; 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=xV/rClDUfCgVuPmCSOActQIgsfxDY8oPQuweoA/ffSQ=; b=Tgeyfox/qBVuHOt4rI8xForvg1EsZ92vf7KpmnOhb9lYz2nkl1rFZs6XwvUforXArhGLYo 30lqTT0xfRRelNAQ== 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 , Lyude Paul , Karol Herbst , Danilo Krummrich Subject: [PATCH v5 14/25] drm/nouveau: Compute dumb-buffer sizes with drm_mode_size_dumb() Date: Fri, 13 Jun 2025 11:00:33 +0200 Message-ID: <20250613090431.127087-15-tzimmermann@suse.de> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250613090431.127087-1-tzimmermann@suse.de> References: <20250613090431.127087-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spam-Flag: NO X-Spam-Score: -5.30 X-Spamd-Result: default: False [-5.30 / 50.00]; REPLY(-4.00)[]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; 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]; FREEMAIL_TO(0.00)[ffwll.ch,gmail.com,kernel.org,linux.intel.com,linux-m68k.org,ideasonboard.com]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_TWELVE(0.00)[24]; FUZZY_BLOCKED(0.00)[rspamd.com]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLqirfcw6gnbcr9a9yhi49fhi6)]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,suse.de:email]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Spam-Level: X-ZohoMail-DKIM: pass (identity @suse.de) X-ZM-MESSAGEID: 1749805935401124100 Content-Type: text/plain; charset="utf-8" Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and buffer size. Align the pitch to a multiple of 256. Signed-off-by: Thomas Zimmermann Reviewed-by: Lyude Paul Cc: Karol Herbst Cc: Lyude Paul Cc: Danilo Krummrich --- drivers/gpu/drm/nouveau/nouveau_display.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/no= uveau/nouveau_display.c index add006fc8d81..daa2528f9c9a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include #include @@ -808,9 +809,9 @@ nouveau_display_dumb_create(struct drm_file *file_priv,= struct drm_device *dev, uint32_t domain; int ret; =20 - args->pitch =3D roundup(args->width * (args->bpp / 8), 256); - args->size =3D args->pitch * args->height; - args->size =3D roundup(args->size, PAGE_SIZE); + ret =3D drm_mode_size_dumb(dev, args, SZ_256, 0); + if (ret) + return ret; =20 /* Use VRAM if there is any ; otherwise fallback to system memory */ if (nouveau_drm(dev)->client.device.info.ram_size !=3D 0) --=20 2.49.0