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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1741708499; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=WWelbGgEbCkjP4y//d+vHYWhnPzSt4ULU4ovN7MHpM8=; b=8JlPHdv8s9lKjhTcW1rII9sjGNksn1+b0e760I1x5NvI2xbQRT5vdls1e73VWOugZnQgmb nUuTB0vZ76vY93AQ== 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 , Heiko Stuebner , Sandy Huang , Andy Yan Subject: [PATCH v4 19/25] drm/rockchip: Compute dumb-buffer sizes with drm_mode_size_dumb() Date: Tue, 11 Mar 2025 16:47:23 +0100 Message-ID: <20250311155120.442633-20-tzimmermann@suse.de> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250311155120.442633-1-tzimmermann@suse.de> References: <20250311155120.442633-1-tzimmermann@suse.de> MIME-Version: 1.0 X-Spamd-Result: default: False [-1.80 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-0.999]; MIME_GOOD(-0.10)[text/plain]; TO_DN_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; FREEMAIL_TO(0.00)[ffwll.ch,gmail.com,kernel.org,linux.intel.com,linux-m68k.org,ideasonboard.com]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_TWELVE(0.00)[24]; FREEMAIL_ENVRCPT(0.00)[gmail.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),to(RLbwen1niosrcqbxsafh1)]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; DBL_BLOCKED_OPENRESOLVER(0.00)[sntech.de:email,rock-chips.com:email,imap1.dmz-prg2.suse.org:helo,suse.de:email,suse.de:mid] Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and buffer size. Align the pitch to a multiple of 64. Signed-off-by: Thomas Zimmermann Acked-by: Heiko Stuebner Cc: Sandy Huang Cc: "Heiko Stübner" Cc: Andy Yan --- drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index 6330b883efc3..3bd06202e232 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -9,6 +9,7 @@ #include #include +#include #include #include #include @@ -403,13 +404,12 @@ int rockchip_gem_dumb_create(struct drm_file *file_priv, struct drm_mode_create_dumb *args) { struct rockchip_gem_object *rk_obj; - int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8); + int ret; - /* - * align to 64 bytes since Mali requires it. - */ - args->pitch = ALIGN(min_pitch, 64); - args->size = args->pitch * args->height; + /* 64-byte alignment required by Mali */ + ret = drm_mode_size_dumb(dev, args, SZ_64, 0); + if (ret) + return ret; rk_obj = rockchip_gem_create_with_handle(file_priv, dev, args->size, &args->handle);