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Sun, 11 Aug 2024 08:13:27 -0400 (EDT) Date: Sun, 11 Aug 2024 14:13:26 +0200 From: Greg KH To: Kevin Holm Cc: stable@vger.kernel.org, regressions@lists.linux.dev, amd-gfx@lists.freedesktop.org, ML dri-devel , LKML , Wayne Lin , Jerry Zuo , Zaeem Mohamed , Daniel Wheeler , Alex Deucher Subject: Re: [PATCH 6.10] drm/amd/display: Refactor function dm_dp_mst_is_port_support_mode() Message-ID: <2024081141-clump-obliged-8fb0@gregkh> References: <20240730185339.543359-1-kevin@holm.dev> 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=us-ascii Content-Disposition: inline In-Reply-To: <20240730185339.543359-1-kevin@holm.dev> On Tue, Jul 30, 2024 at 08:53:39PM +0200, Kevin Holm wrote: > From: Wayne Lin > > [ Upstream commit fa57924c76d995e87ca3533ec60d1d5e55769a27 ] > > [Why] > dm_dp_mst_is_port_support_mode() is a bit not following the original design rule and cause > light up issue with multiple 4k monitors after mst dsc hub. > > [How] > Refactor function dm_dp_mst_is_port_support_mode() a bit to solve the light up issue. > > Reviewed-by: Jerry Zuo > Acked-by: Zaeem Mohamed > Signed-off-by: Wayne Lin > Tested-by: Daniel Wheeler > Signed-off-by: Alex Deucher > [kevin@holm.dev: Resolved merge conflict in .../amdgpu_dm_mst_types.c] > Fixes: 4df96ba6676034 ("drm/amd/display: Add timing pixel encoding for mst mode validation") > Link: https://lore.kernel.org/stable/d74a7768e957e6ce88c27a5bece0c64dff132e24@holm.dev/T/#u > Signed-off-by: Kevin Holm > --- > I resolved the merge conflict so that, after this patch is applied to the > linux-6.10.y branch of the stable git repository, the resulting function > dm_dp_mst_is_port_support_mode (and also the new function > dp_get_link_current_set_bw) is identical to the original commit. > > I've confirmed that it fixes the regression I reported for my use case. Now queued up, thanks. greg k-h