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Mon, 29 Aug 2022 09:13:20 -0400 (EDT) From: Maxime Ripard To: Maxime Ripard , Ben Skeggs , David Airlie , Chen-Yu Tsai , Thomas Zimmermann , Jani Nikula , Lyude Paul , Philipp Zabel , Maarten Lankhorst , Rodrigo Vivi , Tvrtko Ursulin , Jernej Skrabec , Samuel Holland , Karol Herbst , =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= , Emma Anholt , Daniel Vetter , Joonas Lahtinen Subject: [PATCH v2 12/41] drm/modes: parse_cmdline: Add support for named modes containing dashes Date: Mon, 29 Aug 2022 15:11:26 +0200 Message-Id: <20220728-rpi-analog-tv-properties-v2-12-459522d653a7@cerno.tech> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220728-rpi-analog-tv-properties-v2-0-459522d653a7@cerno.tech> References: <20220728-rpi-analog-tv-properties-v2-0-459522d653a7@cerno.tech> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.10.0-dev-65ba7 X-Developer-Signature: v=1; a=openpgp-sha256; l=1069; i=maxime@cerno.tech; h=from:subject:message-id; bh=Ce+TyjEkD5ms8VGGkYRw7EWiyTTKy0ScuMQtAi1SOoM=; b=owGbwMvMwCX2+D1vfrpE4FHG02pJDMk8u+STGJ7KXdfiCpu8Ly6soUhh28WTTV9uP/32bVpCR9ya VT6nO0pZGMS4GGTFFFlihM2XxJ2a9bqTjW8ezBxWJpAhDFycAjARk2eMDDOtWWM3xD1IOvu6Yy7n9E XnpnI6a4mdEj0moHq09aWj+0lGhmbh6am2ujO65oV/3/+qPFxaidez/2Xpil3L5COOa6z4yg4A X-Developer-Key: i=maxime@cerno.tech; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D Content-Transfer-Encoding: quoted-printable 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: , Cc: Dom Cobley , Dave Stevenson , nouveau@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi@lists.linux.dev, Hans de Goede , Geert Uytterhoeven , Maxime Ripard , Mateusz Kwiatkowski , Phil Elwell , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Geert Uytterhoeven =0D =0D It is fairly common for named video modes to contain dashes (e.g.=0D "tt-mid" on Atari, "dblntsc-ff" on Amiga). Currently such mode names=0D are not recognized, as the dash is considered to be a separator between=0D mode name and bpp.=0D =0D Fix this by skipping any dashes that are not followed immediately by a=0D digit when looking for the separator.=0D =0D Signed-off-by: Geert Uytterhoeven =0D Reviewed-by: Hans de Goede =0D Signed-off-by: Maxime Ripard =0D =0D diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c=0D index b4e1ff56b4d8..99a21e5cd00d 100644=0D --- a/drivers/gpu/drm/drm_modes.c=0D +++ b/drivers/gpu/drm/drm_modes.c=0D @@ -2263,6 +2263,8 @@ bool drm_mode_parse_command_line_for_connector(const = char *mode_option,=0D =0D /* Try to locate the bpp and refresh specifiers, if any */=0D bpp_ptr =3D strnchr(name, options_off, '-');=0D + while (bpp_ptr && !isdigit(bpp_ptr[1]))=0D + bpp_ptr =3D strnchr(bpp_ptr + 1, options_off, '-');=0D if (bpp_ptr)=0D bpp_off =3D bpp_ptr - name;=0D =0D =0D -- =0D b4 0.10.0-dev-65ba7=0D