diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0661-drm-vc4-Use-drm_atomic_helper_check_plane_state-to-s.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0661-drm-vc4-Use-drm_atomic_helper_check_plane_state-to-s.patch | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0661-drm-vc4-Use-drm_atomic_helper_check_plane_state-to-s.patch b/target/linux/bcm27xx/patches-4.19/950-0661-drm-vc4-Use-drm_atomic_helper_check_plane_state-to-s.patch deleted file mode 100644 index 3ead02cbbf..0000000000 --- a/target/linux/bcm27xx/patches-4.19/950-0661-drm-vc4-Use-drm_atomic_helper_check_plane_state-to-s.patch +++ /dev/null @@ -1,157 +0,0 @@ -From 2a98dc34696c6510a49a684eb56d3a9c2a150571 Mon Sep 17 00:00:00 2001 -From: Boris Brezillon <boris.brezillon@bootlin.com> -Date: Fri, 3 Aug 2018 11:22:29 +0200 -Subject: [PATCH] drm/vc4: Use drm_atomic_helper_check_plane_state() to - simplify the logic - -drm_atomic_helper_check_plane_state() takes care of checking the -scaling capabilities and calculating the clipped X/Y offsets for us. - -Rely on this function instead of open-coding the logic. - -Incidentally, it seems to fix a problem we had with negative X/Y -positioning of YUV planes. - -Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com> -Reviewed-by: Eric Anholt <eric@anholt.net> -Link: https://patchwork.freedesktop.org/patch/msgid/20180803092231.26446-3-boris.brezillon@bootlin.com ---- - drivers/gpu/drm/vc4/vc4_plane.c | 103 ++++++++++++++++---------------- - 1 file changed, 52 insertions(+), 51 deletions(-) - ---- a/drivers/gpu/drm/vc4/vc4_plane.c -+++ b/drivers/gpu/drm/vc4/vc4_plane.c -@@ -313,31 +313,59 @@ static int vc4_plane_setup_clipping_and_ - u32 subpixel_src_mask = (1 << 16) - 1; - u32 format = fb->format->format; - int num_planes = fb->format->num_planes; -- u32 h_subsample = 1; -- u32 v_subsample = 1; -- int ret; -- int i; -+ int min_scale = 1, max_scale = INT_MAX; -+ struct drm_crtc_state *crtc_state; -+ u32 h_subsample, v_subsample; -+ int i, ret; -+ -+ crtc_state = drm_atomic_get_existing_crtc_state(state->state, -+ state->crtc); -+ if (!crtc_state) { -+ DRM_DEBUG_KMS("Invalid crtc state\n"); -+ return -EINVAL; -+ } -+ -+ /* No configuring scaling on the cursor plane, since it gets -+ * non-vblank-synced updates, and scaling requires LBM changes which -+ * have to be vblank-synced. -+ */ -+ if (plane->type == DRM_PLANE_TYPE_CURSOR) { -+ min_scale = DRM_PLANE_HELPER_NO_SCALING; -+ max_scale = DRM_PLANE_HELPER_NO_SCALING; -+ } else { -+ min_scale = 1; -+ max_scale = INT_MAX; -+ } -+ -+ ret = drm_atomic_helper_check_plane_state(state, crtc_state, -+ min_scale, max_scale, -+ true, true); -+ if (ret) -+ return ret; -+ -+ h_subsample = drm_format_horz_chroma_subsampling(format); -+ v_subsample = drm_format_vert_chroma_subsampling(format); - - for (i = 0; i < num_planes; i++) - vc4_state->offsets[i] = bo->paddr + fb->offsets[i]; - - /* We don't support subpixel source positioning for scaling. */ -- if ((state->src_x & subpixel_src_mask) || -- (state->src_y & subpixel_src_mask) || -- (state->src_w & subpixel_src_mask) || -- (state->src_h & subpixel_src_mask)) { -+ if ((state->src.x1 & subpixel_src_mask) || -+ (state->src.x2 & subpixel_src_mask) || -+ (state->src.y1 & subpixel_src_mask) || -+ (state->src.y2 & subpixel_src_mask)) { - return -EINVAL; - } - -- vc4_state->src_x = state->src_x >> 16; -- vc4_state->src_y = state->src_y >> 16; -- vc4_state->src_w[0] = state->src_w >> 16; -- vc4_state->src_h[0] = state->src_h >> 16; -- -- vc4_state->crtc_x = state->crtc_x; -- vc4_state->crtc_y = state->crtc_y; -- vc4_state->crtc_w = state->crtc_w; -- vc4_state->crtc_h = state->crtc_h; -+ vc4_state->src_x = state->src.x1 >> 16; -+ vc4_state->src_y = state->src.y1 >> 16; -+ vc4_state->src_w[0] = (state->src.x2 - state->src.x1) >> 16; -+ vc4_state->src_h[0] = (state->src.y2 - state->src.y1) >> 16; -+ -+ vc4_state->crtc_x = state->dst.x1; -+ vc4_state->crtc_y = state->dst.y1; -+ vc4_state->crtc_w = state->dst.x2 - state->dst.x1; -+ vc4_state->crtc_h = state->dst.y2 - state->dst.y1; - - ret = vc4_plane_margins_adj(state); - if (ret) -@@ -354,8 +382,6 @@ static int vc4_plane_setup_clipping_and_ - if (num_planes > 1) { - vc4_state->is_yuv = true; - -- h_subsample = drm_format_horz_chroma_subsampling(format); -- v_subsample = drm_format_vert_chroma_subsampling(format); - vc4_state->src_w[1] = vc4_state->src_w[0] / h_subsample; - vc4_state->src_h[1] = vc4_state->src_h[0] / v_subsample; - -@@ -380,39 +406,14 @@ static int vc4_plane_setup_clipping_and_ - vc4_state->y_scaling[1] = VC4_SCALING_NONE; - } - -- /* No configuring scaling on the cursor plane, since it gets -- non-vblank-synced updates, and scaling requires requires -- LBM changes which have to be vblank-synced. -- */ -- if (plane->type == DRM_PLANE_TYPE_CURSOR && !vc4_state->is_unity) -- return -EINVAL; -- -- /* Clamp the on-screen start x/y to 0. The hardware doesn't -- * support negative y, and negative x wastes bandwidth. -- */ -- if (vc4_state->crtc_x < 0) { -- for (i = 0; i < num_planes; i++) { -- u32 cpp = fb->format->cpp[i]; -- u32 subs = ((i == 0) ? 1 : h_subsample); -- -- vc4_state->offsets[i] += (cpp * -- (-vc4_state->crtc_x) / subs); -- } -- vc4_state->src_w[0] += vc4_state->crtc_x; -- vc4_state->src_w[1] += vc4_state->crtc_x / h_subsample; -- vc4_state->crtc_x = 0; -- } -- -- if (vc4_state->crtc_y < 0) { -- for (i = 0; i < num_planes; i++) { -- u32 subs = ((i == 0) ? 1 : v_subsample); -- -- vc4_state->offsets[i] += (fb->pitches[i] * -- (-vc4_state->crtc_y) / subs); -- } -- vc4_state->src_h[0] += vc4_state->crtc_y; -- vc4_state->src_h[1] += vc4_state->crtc_y / v_subsample; -- vc4_state->crtc_y = 0; -+ /* Adjust the base pointer to the first pixel to be scanned out. */ -+ for (i = 0; i < num_planes; i++) { -+ vc4_state->offsets[i] += (vc4_state->src_y / -+ (i ? v_subsample : 1)) * -+ fb->pitches[i]; -+ vc4_state->offsets[i] += (vc4_state->src_x / -+ (i ? h_subsample : 1)) * -+ fb->format->cpp[i]; - } - - return 0; |