diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0345-drm-vc4-Check-if-plane-requires-background-fill.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0345-drm-vc4-Check-if-plane-requires-background-fill.patch | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0345-drm-vc4-Check-if-plane-requires-background-fill.patch b/target/linux/brcm2708/patches-4.14/950-0345-drm-vc4-Check-if-plane-requires-background-fill.patch deleted file mode 100644 index 778fe67630..0000000000 --- a/target/linux/brcm2708/patches-4.14/950-0345-drm-vc4-Check-if-plane-requires-background-fill.patch +++ /dev/null @@ -1,63 +0,0 @@ -From 7771310ee7e9b7291e549e36771de6176d57e24b Mon Sep 17 00:00:00 2001 -From: Stefan Schake <stschake@gmail.com> -Date: Fri, 9 Mar 2018 01:53:35 +0100 -Subject: [PATCH 345/454] drm/vc4: Check if plane requires background fill - -commit 3d67b68a6a3c2deb689c29759a20150c668c286e upstream. - -Considering a single plane only, we have to enable background color -when the plane has an alpha format and could be blending from the -background or when it doesn't cover the entire screen. - -Changes from v1: - - Drop unrelated change - - Move needs_bg_fill to plane state - -Signed-off-by: Stefan Schake <stschake@gmail.com> -Signed-off-by: Eric Anholt <eric@anholt.net> -Reviewed-by: Eric Anholt <eric@anholt.net> -Link: https://patchwork.freedesktop.org/patch/msgid/1520556817-97297-3-git-send-email-stschake@gmail.com ---- - drivers/gpu/drm/vc4/vc4_plane.c | 17 +++++++++++++++++ - 1 file changed, 17 insertions(+) - ---- a/drivers/gpu/drm/vc4/vc4_plane.c -+++ b/drivers/gpu/drm/vc4/vc4_plane.c -@@ -73,6 +73,12 @@ struct vc4_plane_state { - - /* Our allocation in LBM for temporary storage during scaling. */ - struct drm_mm_node lbm; -+ -+ /* Set when the plane has per-pixel alpha content or does not cover -+ * the entire screen. This is a hint to the CRTC that it might need -+ * to enable background color fill. -+ */ -+ bool needs_bg_fill; - }; - - static inline struct vc4_plane_state * -@@ -524,6 +530,7 @@ static int vc4_plane_mode_set(struct drm - u32 ctl0_offset = vc4_state->dlist_count; - const struct hvs_format *format = vc4_get_hvs_format(fb->format->format); - int num_planes = drm_format_num_planes(format->drm); -+ bool covers_screen; - u32 scl0, scl1, pitch0; - u32 lbm_size, tiling; - unsigned long irqflags; -@@ -707,6 +714,16 @@ static int vc4_plane_mode_set(struct drm - vc4_state->dlist[ctl0_offset] |= - VC4_SET_FIELD(vc4_state->dlist_count, SCALER_CTL0_SIZE); - -+ /* crtc_* are already clipped coordinates. */ -+ covers_screen = vc4_state->crtc_x == 0 && vc4_state->crtc_y == 0 && -+ vc4_state->crtc_w == state->crtc->mode.hdisplay && -+ vc4_state->crtc_h == state->crtc->mode.vdisplay; -+ /* Background fill might be necessary when the plane has per-pixel -+ * alpha content and blends from the background or does not cover -+ * the entire screen. -+ */ -+ vc4_state->needs_bg_fill = format->has_alpha || !covers_screen; -+ - return 0; - } - |