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Fri, 06 Mar 2026 01:25:57 -0800 (PST) Received: from nuvole ([144.202.86.13]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c739e195c40sm1021673a12.31.2026.03.06.01.25.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Mar 2026 01:25:57 -0800 (PST) From: Pengyu Luo To: Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Eugene Lepshy , Danila Tikhonov Cc: Pengyu Luo , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/msm/dsi: remove bpc > 8 entries from allow list Date: Fri, 6 Mar 2026 17:25:00 +0800 Message-ID: <20260306092518.37849-1-mitltlatltl@gmail.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In upstream the msm, for bpc greater than 8 are not supported yet, although the hardware block supports this. Remove them until we support them. Fixes: b0e71c2637d1 ("drm/msm/dsi: Allow values of 10 and 12 for bits per component") Signed-off-by: Pengyu Luo --- drivers/gpu/drm/msm/dsi/dsi_host.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index e8e83ee61e..b60b26ddb0 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -1824,12 +1824,9 @@ static int dsi_populate_dsc_params(struct msm_dsi_host *msm_host, struct drm_dsc switch (dsc->bits_per_component) { case 8: - case 10: - case 12: /* - * Only 8, 10, and 12 bpc are supported for DSC 1.1 block. - * If additional bpc values need to be supported, update - * this quard with the appropriate DSC version verification. + * In the upstream msm, only 8 bpc is supported for DSC 1.1/1.2 + * block. */ break; default: -- 2.53.0