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Sat, 14 Dec 2024 05:37:16 -0800 (PST) From: Dmitry Baryshkov Date: Sat, 14 Dec 2024 15:37:06 +0200 Subject: [PATCH v2 2/5] drm/amdgpu: don't change mode in amdgpu_dm_connector_mode_valid() 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: <20241214-drm-connector-mode-valid-const-v2-2-4f9498a4c822@linaro.org> References: <20241214-drm-connector-mode-valid-const-v2-0-4f9498a4c822@linaro.org> In-Reply-To: <20241214-drm-connector-mode-valid-const-v2-0-4f9498a4c822@linaro.org> To: Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Karol Herbst , Lyude Paul , Danilo Krummrich , Harry Wentland , Leo Li , Rodrigo Siqueira , Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= , Xinhui Pan , Alain Volmat , Raphael Gallais-Pou , Liviu Dudau , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Peter Senna Tschudin , Ian Ray , Martyn Welch , Inki Dae , Seung-Woo Kim , Kyungmin Park , Krzysztof Kozlowski , Alim Akhtar , Stefan Agner , Alison Wang , Patrik Jakobsson , Philipp Zabel , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , Dave Airlie , Gerd Hoffmann , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Chen-Yu Tsai , Samuel Holland , Thierry Reding , Mikko Perttunen , Jonathan Hunter , Dave Stevenson , =?utf-8?q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance , Gurchetan Singh , Chia-I Wu , Zack Rusin , Broadcom internal kernel review list Cc: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, nouveau@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, imx@lists.linux.dev, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, virtualization@lists.linux.dev, spice-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, Laurent Pinchart X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1822; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=ZBQ31V6liiRq6vidYEbRih6I4hmj1n9WetjDV7X3pNY=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBnXYoEN8DdEbQT15+majQu+ePNp1xNEKgZhouhG e8cSSkRWPuJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZ12KBAAKCRCLPIo+Aiko 1bo9CACKI34mpGW7I5SEIWTnqccfI1E5Dtim4SK/n6/h7bhcZ4fIdi1jPZNDeFfoInJlcQC8kND J2yGE2Waz+dJVLeD9HrrAIss+FWiq5KGvzYWgYBmjLuJJCE3PKkqoV+6+sFD44LUIBLxdTRdh6F 1T4gKfvqmlDPQFnUhlG3DwphgtSkVOEHHExB8YC0ysIBaeNXz7rClOEu0mGlIZuDjJS/sjgrall atWiYOaDofYW+7dTZ9u0SDpxMVllsbKKomyCy6kf/BSVOIp9veKIrgbybIWQXyNIZgk95KFTa4/ BfCF2//Diwl9V4b6EJ2CMV1tWTpGoVbvzyIZV/xfq0Bc89tB X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A Make amdgpu_dm_connector_mode_valid() duplicate the mode during the test rather than modifying the passed mode. This is a preparation to converting the mode_valid() callback of drm_connector to take a const struct drm_display_mode argument. Reviewed-by: Laurent Pinchart Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gp= u/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 5a503104e38d1514103914a4d012969105877e52..0d9d2e1c4b4fd48baa19f16fb83= 2a9ce5ed09108 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -7420,6 +7420,7 @@ enum drm_mode_status amdgpu_dm_connector_mode_valid(s= truct drm_connector *connec { int result =3D MODE_ERROR; struct dc_sink *dc_sink; + struct drm_display_mode *test_mode; /* TODO: Unhardcode stream count */ struct dc_stream_state *stream; struct amdgpu_dm_connector *aconnector =3D to_amdgpu_dm_connector(connect= or); @@ -7444,11 +7445,16 @@ enum drm_mode_status amdgpu_dm_connector_mode_valid= (struct drm_connector *connec goto fail; } =20 - drm_mode_set_crtcinfo(mode, 0); + test_mode =3D drm_mode_duplicate(connector->dev, mode); + if (!test_mode) + goto fail; + + drm_mode_set_crtcinfo(test_mode, 0); =20 - stream =3D create_validate_stream_for_sink(aconnector, mode, + stream =3D create_validate_stream_for_sink(aconnector, test_mode, to_dm_connector_state(connector->state), NULL); + drm_mode_destroy(connector->dev, test_mode); if (stream) { dc_stream_release(stream); result =3D MODE_OK; --=20 2.39.5