diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0568-drm-vc4-Add-correct-stop-condition-to-vc4_dsi_encode.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0568-drm-vc4-Add-correct-stop-condition-to-vc4_dsi_encode.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0568-drm-vc4-Add-correct-stop-condition-to-vc4_dsi_encode.patch b/target/linux/bcm27xx/patches-5.10/950-0568-drm-vc4-Add-correct-stop-condition-to-vc4_dsi_encode.patch new file mode 100644 index 0000000000..c6786890ba --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0568-drm-vc4-Add-correct-stop-condition-to-vc4_dsi_encode.patch @@ -0,0 +1,30 @@ +From 709279f0925b7e17f64684a8cab44e1cb72ae56e Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Thu, 15 Apr 2021 16:18:16 +0100 +Subject: [PATCH] drm/vc4: Add correct stop condition to + vc4_dsi_encoder_disable iteration + +vc4_dsi_encoder_disable is partially an open coded version of +drm_bridge_chain_disable, but it missed a termination condition +in the loop for ->disable which meant that no post_disable +calls were made. + +Add in the termination clause. + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + drivers/gpu/drm/vc4/vc4_dsi.c | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/drivers/gpu/drm/vc4/vc4_dsi.c ++++ b/drivers/gpu/drm/vc4/vc4_dsi.c +@@ -803,6 +803,9 @@ static void vc4_dsi_encoder_disable(stru + list_for_each_entry_reverse(iter, &dsi->bridge_chain, chain_node) { + if (iter->funcs->disable) + iter->funcs->disable(iter); ++ ++ if (iter == dsi->bridge) ++ break; + } + + vc4_dsi_ulps(dsi, true); |