From: Dave Stevenson Date: Fri, 25 Oct 2024 17:15:58 +0000 (+0100) Subject: drm/vc4: Enable bg_fill if there are no planes enabled X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=52b0a073167b3679f7dd754903d84dfdc8119211;p=users%2Fdwmw2%2Flinux.git drm/vc4: Enable bg_fill if there are no planes enabled The default was to have enable_bg_fill disabled and the first plane set it if it wasn't opaque and covering the whole screen. However that meant that if no planes were enabled, then the background fill wasn't enabled, and would give a striped output from the uninitialised output buffer. Initialise it to enabled to avoid this. Reviewed-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20241025-drm-vc4-2712-support-v2-27-35efa83c8fc0@raspberrypi.com Signed-off-by: Dave Stevenson --- diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c index 2493ac17d78f4..c8bc2b48648f4 100644 --- a/drivers/gpu/drm/vc4/vc4_hvs.c +++ b/drivers/gpu/drm/vc4/vc4_hvs.c @@ -936,7 +936,7 @@ void vc4_hvs_atomic_flush(struct drm_crtc *crtc, struct drm_plane *plane; struct vc4_plane_state *vc4_plane_state; bool debug_dump_regs = false; - bool enable_bg_fill = false; + bool enable_bg_fill = true; u32 __iomem *dlist_start = vc4->hvs->dlist + vc4_state->mm.start; u32 __iomem *dlist_next = dlist_start; unsigned int zpos = 0;