diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0731-drm-vc4-Fix-negative-X-Y-positioning-on-SAND-planes.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0731-drm-vc4-Fix-negative-X-Y-positioning-on-SAND-planes.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0731-drm-vc4-Fix-negative-X-Y-positioning-on-SAND-planes.patch b/target/linux/bcm27xx/patches-4.19/950-0731-drm-vc4-Fix-negative-X-Y-positioning-on-SAND-planes.patch new file mode 100644 index 0000000000..8c8bb69e77 --- /dev/null +++ b/target/linux/bcm27xx/patches-4.19/950-0731-drm-vc4-Fix-negative-X-Y-positioning-on-SAND-planes.patch @@ -0,0 +1,68 @@ +From a8af2085e26bcefad8fb65e2b44d12777a84e219 Mon Sep 17 00:00:00 2001 +From: Boris Brezillon <boris.brezillon@bootlin.com> +Date: Fri, 7 Dec 2018 09:36:05 +0100 +Subject: [PATCH] drm/vc4: Fix negative X/Y positioning on SAND planes + +Commit 8e75d582db02bcb171d65ec71eecbd3072a5fd3a upstream. + +Commit 3e407417b192 ("drm/vc4: Fix X/Y positioning of planes using +T_TILES modifier") fixed the problem with T_TILES format, but left +things in a non-working state for SAND formats. Address that now. + +Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> +Reviewed-by: Eric Anholt <eric@anholt.net> +Link: https://patchwork.freedesktop.org/patch/msgid/20181207083606.15449-1-boris.brezillon@bootlin.com +--- + drivers/gpu/drm/vc4/vc4_plane.c | 21 +++++++++++++++++++++ + 1 file changed, 21 insertions(+) + +--- a/drivers/gpu/drm/vc4/vc4_plane.c ++++ b/drivers/gpu/drm/vc4/vc4_plane.c +@@ -684,6 +684,7 @@ static int vc4_plane_mode_set(struct drm + case DRM_FORMAT_MOD_BROADCOM_SAND128: + case DRM_FORMAT_MOD_BROADCOM_SAND256: { + uint32_t param = fourcc_mod_broadcom_param(fb->modifier); ++ u32 tile_w, tile, x_off, pix_per_tile; + + /* Column-based NV12 or RGBA. + */ +@@ -703,12 +704,15 @@ static int vc4_plane_mode_set(struct drm + switch (base_format_mod) { + case DRM_FORMAT_MOD_BROADCOM_SAND64: + tiling = SCALER_CTL0_TILING_64B; ++ tile_w = 64; + break; + case DRM_FORMAT_MOD_BROADCOM_SAND128: + tiling = SCALER_CTL0_TILING_128B; ++ tile_w = 128; + break; + case DRM_FORMAT_MOD_BROADCOM_SAND256: + tiling = SCALER_CTL0_TILING_256B_OR_T; ++ tile_w = 256; + break; + default: + break; +@@ -719,6 +723,23 @@ static int vc4_plane_mode_set(struct drm + return -EINVAL; + } + ++ pix_per_tile = tile_w / fb->format->cpp[0]; ++ tile = vc4_state->src_x / pix_per_tile; ++ x_off = vc4_state->src_x % pix_per_tile; ++ ++ /* Adjust the base pointer to the first pixel to be scanned ++ * out. ++ */ ++ for (i = 0; i < num_planes; i++) { ++ vc4_state->offsets[i] += param * tile_w * tile; ++ vc4_state->offsets[i] += vc4_state->src_y / ++ (i ? v_subsample : 1) * ++ tile_w; ++ vc4_state->offsets[i] += x_off / ++ (i ? h_subsample : 1) * ++ fb->format->cpp[i]; ++ } ++ + pitch0 = VC4_SET_FIELD(param, SCALER_TILE_HEIGHT); + break; + } |