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Tue, 10 Dec 2024 06:16:52 -0800 (PST) From: Dmitry Baryshkov Date: Tue, 10 Dec 2024 16:16:47 +0200 Subject: [PATCH 1/4] drm/display: bridge_connector: provide atomic_check for HDMI bridges Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241210-bridge_hdmi_check-v1-1-a8fdd8c5afa5@linaro.org> References: <20241210-bridge_hdmi_check-v1-0-a8fdd8c5afa5@linaro.org> In-Reply-To: <20241210-bridge_hdmi_check-v1-0-a8fdd8c5afa5@linaro.org> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Liu Ying Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1657; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=w8Xw25H9E0EowRWue4E3JonkkP8YUynIV0Mvq3TC5nw=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBnWE1R5NPKL4rqV+jR0KPOXn80x27rRanZM+VQ5 Q4r9GgPzaKJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZ1hNUQAKCRCLPIo+Aiko 1atnB/9dz6pBR9aU669+5H2pdnKug29xlZBRPLZmzo+E5oJewM3cZD09he4jEBfGB6H63phwgKT PCpN6NcXKee8q0yILHUXjqQPoq0+AETXNH6uHzI0+4meAAff39OFtOxfONhTOBikdBNVu1/L126 34Smslj0Au4U5ptSosFI37VyPtgVeA3YkXyr762Thi+gFQikGCujFrG4rmoYiMn7YiCtGjO2kHo bAYnERIBIUqUoLvx/uC1WeTp2w3aS+e4u4SjSuB5yGIiPaOyqOw5Fwn0eyiotVWCwsbb0E6Oc6E XV7eLYsE+JEFYPpHPhaLSGyysWCYM1XeqIHTJMgcP4HrwECy X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A The bridges using HDMI connector framework have a call to drm_atomic_helper_connector_hdmi_check() in their atomic_check() callback. In order to reduce boilerplate and make simplify bridge's code, use drm_atomic_helper_connector_hdmi_check() to implement drm_connector.atomic_check() for HDMI bridges. Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/display/drm_bridge_connector.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/gpu/drm/display/drm_bridge_connector.c b/drivers/gpu/d= rm/display/drm_bridge_connector.c index 512ced87ea18c74e182a558a686ddd83de891814..f6e0b6f1ffdd392ee15ddfd9ec8= 5452a88122d42 100644 --- a/drivers/gpu/drm/display/drm_bridge_connector.c +++ b/drivers/gpu/drm/display/drm_bridge_connector.c @@ -313,11 +313,24 @@ drm_bridge_connector_mode_valid(struct drm_connector = *connector, return MODE_OK; } =20 +static int drm_bridge_connector_atomic_check(struct drm_connector *connect= or, + struct drm_atomic_state *state) +{ + struct drm_bridge_connector *bridge_connector =3D + to_drm_bridge_connector(connector); + + if (bridge_connector->bridge_hdmi) + return drm_atomic_helper_connector_hdmi_check(connector, state); + + return 0; +} + static const struct drm_connector_helper_funcs drm_bridge_connector_helper= _funcs =3D { .get_modes =3D drm_bridge_connector_get_modes, .mode_valid =3D drm_bridge_connector_mode_valid, .enable_hpd =3D drm_bridge_connector_enable_hpd, .disable_hpd =3D drm_bridge_connector_disable_hpd, + .atomic_check =3D drm_bridge_connector_atomic_check, }; =20 static enum drm_mode_status --=20 2.39.5