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Thu, 26 Mar 2026 16:47:40 -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 , Greg Kroah-Hartman , Bin Lan , He Zhe , Vitaly Prosyak , Alex Hung , Rodrigo Siqueira , =?UTF-8?q?Timur=20Krist=C3=B3f?= , Mario Limonciello , Ray Wu , Wayne Lin , Roman Li , Eric Yang , Tony Cheng , Mauro Rossi , 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: [PATCH for 6.12 3/9] drm/amd/display: Disable fastboot on DCE 6 too Date: Thu, 26 Mar 2026 16:47:10 -0700 Message-ID: <20260326234716.16723-4-rosenp@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260326234716.16723-1-rosenp@gmail.com> References: <20260326234716.16723-1-rosenp@gmail.com> 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 From: Timur Krist=C3=B3f [ Upstream commit 7495962cbceb967e095233a5673ea71f3bcdee7e ] It already didn't work on DCE 8, so there is no reason to assume it would on DCE 6. Signed-off-by: Timur Krist=C3=B3f Reviewed-by: Rodrigo Siqueira Reviewed-by: Alex Deucher Reviewed-by: Alex Hung Signed-off-by: Alex Deucher Signed-off-by: Rosen Penev --- drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/dr= ivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c index df69e0cebf78..7dc99c85b8ea 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c @@ -1910,10 +1910,8 @@ void dce110_enable_accelerated_mode(struct dc *dc, s= truct dc_state *context) =20 get_edp_streams(context, edp_streams, &edp_stream_num); =20 - // Check fastboot support, disable on DCE8 because of blank screens - if (edp_num && edp_stream_num && dc->ctx->dce_version !=3D DCE_VERSION_8_= 0 && - dc->ctx->dce_version !=3D DCE_VERSION_8_1 && - dc->ctx->dce_version !=3D DCE_VERSION_8_3) { + /* Check fastboot support, disable on DCE 6-8 because of blank screens */ + if (edp_num && edp_stream_num && dc->ctx->dce_version < DCE_VERSION_10_0)= { for (i =3D 0; i < edp_num; i++) { edp_link =3D edp_links[i]; if (edp_link !=3D edp_streams[0]->link) --=20 2.53.0