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[195.23.151.163]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47a9e4d843csm71751908f8f.14.2026.07.11.16.42.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 11 Jul 2026 16:42:33 -0700 (PDT) Sender: Julian Braha From: Julian Braha To: neil.armstrong@linaro.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch Cc: david@ixit.cz, arnd@arndb.de, jesszhan0024@gmail.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Julian Braha Subject: [PATCH] drm/panel: fix unmet dependency bug for DRM_PANEL_HIMAX_HX83121A Date: Sun, 12 Jul 2026 00:42:30 +0100 Message-ID: <20260711234230.2236041-1-julianbraha@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Currently, DRM_PANEL_HIMAX_HX83121A selects DRM_DISPLAY_DSC_HELPER without also ensuring DRM_DISPLAY_HELPER is enabled, causing an unmet dependency: WARNING: unmet direct dependencies detected for DRM_DISPLAY_DSC_HELPER Depends on [n]: HAS_IOMEM [=3Dy] && DRM [=3Dm] && DRM_DISPLAY_HELPER [=3D= n] Selected by [m]: - DRM_PANEL_HIMAX_HX83121A [=3Dm] && HAS_IOMEM [=3Dy] && DRM [=3Dm] && DR= M_PANEL [=3Dy] && OF [=3Dy] && DRM_MIPI_DSI [=3Dy] && BACKLIGHT_CLASS_DEVIC= E [=3Dm] - DRM_PANEL_ILITEK_ILI9882T [=3Dm] && HAS_IOMEM [=3Dy] && DRM [=3Dm] && D= RM_PANEL [=3Dy] && OF [=3Dy] && DRM_MIPI_DSI [=3Dy] && BACKLIGHT_CLASS_DEVI= CE [=3Dm] Many other DRM_PANEL_* options select DRM_DISPLAY_HELPER when selecting DRM_DISPLAY_DSC_HELPER, let's do the same here. This unmet dependency bug was found by kconfirm, a static analysis tool for Kconfig. Fixes: defab7b01e08 ("drm/panel: hx83121a: select DRM_DISPLAY_DSC_HELPER") Signed-off-by: Julian Braha Reviewed-by: Neil Armstrong --- drivers/gpu/drm/panel/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index cfbfb371bc67..06bfcef35a72 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -253,6 +253,7 @@ config DRM_PANEL_HIMAX_HX83121A depends on OF depends on DRM_MIPI_DSI depends on BACKLIGHT_CLASS_DEVICE + select DRM_DISPLAY_HELPER select DRM_DISPLAY_DSC_HELPER select DRM_KMS_HELPER help --=20 2.54.0