On Fri, Mar 06, 2026 at 05:25:00PM +0800, Pengyu Luo wrote:
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 <mitltlatltl@gmail.com>

I hope Marijn, Danila or Eugeny can comment. The patch series with this
patchset added 10 bpc panel and used it for one of the phones.

 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