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Fri, 20 Mar 2026 22:45:12 -0700 (PDT) Received: from ryzen ([2601:644:8000:5b5d::8bd]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82b0409c681sm4338783b3a.37.2026.03.20.22.45.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Mar 2026 22:45:11 -0700 (PDT) From: Rosen Penev To: stable@vger.kernel.org Cc: Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , "Pan, Xinhui" , David Airlie , Daniel Vetter , Harry Wentland , Leo Li , Rodrigo Siqueira , Evan Quan , Mario Limonciello , Sasha Levin , Rosen Penev , Lijo Lazar , Ma Jun , Greg Kroah-Hartman , Srinivasan Shanmugam , "Mario Limonciello (AMD)" , Zhigang Luo , Bert Karwatzki , Ray Wu , Wayne Lin , Roman Li , Hersen Wu , =?UTF-8?q?Timur=20Krist=C3=B3f?= , Alex Hung , decce6 , Wentao Liang , amd-gfx@lists.freedesktop.org (open list:RADEON and AMDGPU DRM DRIVERS), dri-devel@lists.freedesktop.org (open list:DRM DRIVERS), linux-kernel@vger.kernel.org (open list) Subject: [PATCHv3 for 6.1 0/4] amdgpu: fix panic on old GPUs Date: Fri, 20 Mar 2026 22:44:49 -0700 Message-ID: <20260321054453.19683-1-rosenp@gmail.com> X-Mailer: git-send-email 2.53.0 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: 8bit Because of incomplete backports to stable kernels, DC ended up breaking on older GCN 1 GPUs. This patchset adds the missing upstream commits to at least fix the panic/black screen on boot. They are applicable to 6.12, 6.6, and 6.1 as those are the currently supported kernels that 7009e3af0474aca5f64262b3c72fb6e23b232f9b got backported to. 6.1 needs two extra backports for these two commits to be cherry-picked cleanly. Those are 96ce96f8773da4814622fd97e5226915a2c30706 d09ef243035b75a6d403ebfeb7e87fa20d7e25c6 v3: Add those commits to this series and sign them off. v2: Add Signed-off-by. Alex Deucher (2): drm/amdgpu: use proper DC check in amdgpu_display_supported_domains() drm/amdgpu: clarify DC checks Timur Kristóf (2): drm/amd/display: Add pixel_clock to amd_pp_display_configuration drm/amd/pm: Use pm_display_cfg in legacy DPM (v2) drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 32 ++++----- drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 4 +- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 +- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 + .../amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c | 1 + .../dc/clk_mgr/dce110/dce110_clk_mgr.c | 2 +- .../drm/amd/display/dc/dm_services_types.h | 2 +- drivers/gpu/drm/amd/include/dm_pp_interface.h | 1 + drivers/gpu/drm/amd/pm/amdgpu_dpm_internal.c | 67 +++++++++++++++++++ .../gpu/drm/amd/pm/inc/amdgpu_dpm_internal.h | 2 + drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c | 4 +- .../gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c | 6 +- drivers/gpu/drm/amd/pm/legacy-dpm/si_dpm.c | 65 ++++++------------ .../gpu/drm/amd/pm/powerplay/amd_powerplay.c | 13 +--- 17 files changed, 126 insertions(+), 81 deletions(-) -- 2.53.0