diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0732-drm-vc4-Add-support-for-H-V-flips.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0732-drm-vc4-Add-support-for-H-V-flips.patch | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0732-drm-vc4-Add-support-for-H-V-flips.patch b/target/linux/bcm27xx/patches-4.19/950-0732-drm-vc4-Add-support-for-H-V-flips.patch deleted file mode 100644 index 4c9cb7699e..0000000000 --- a/target/linux/bcm27xx/patches-4.19/950-0732-drm-vc4-Add-support-for-H-V-flips.patch +++ /dev/null @@ -1,135 +0,0 @@ -From 1246d16c393a2f5790e5492053f26e6b0b62cec8 Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.org> -Date: Tue, 17 Sep 2019 18:36:32 +0100 -Subject: [PATCH] drm/vc4: Add support for H & V flips - -The HVS supports horizontal and vertical flips whilst composing. - -Expose these through the standard DRM rotation property. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> ---- - drivers/gpu/drm/vc4/vc4_plane.c | 54 +++++++++++++++++++++++++++------ - 1 file changed, 45 insertions(+), 9 deletions(-) - ---- a/drivers/gpu/drm/vc4/vc4_plane.c -+++ b/drivers/gpu/drm/vc4/vc4_plane.c -@@ -560,7 +560,9 @@ static int vc4_plane_mode_set(struct drm - const struct hvs_format *format = vc4_get_hvs_format(fb->format->format); - u64 base_format_mod = fourcc_mod_broadcom_mod(fb->modifier); - int num_planes = drm_format_num_planes(format->drm); -+ bool hflip = false, vflip = false; - u32 h_subsample, v_subsample; -+ unsigned int rotation; - bool mix_plane_alpha; - bool covers_screen; - u32 scl0, scl1, pitch0; -@@ -568,11 +570,26 @@ static int vc4_plane_mode_set(struct drm - unsigned long irqflags; - u32 hvs_format = format->hvs; - int ret, i; -+ u32 src_y; - - ret = vc4_plane_setup_clipping_and_scaling(state); - if (ret) - return ret; - -+ rotation = drm_rotation_simplify(state->rotation, -+ DRM_MODE_ROTATE_0 | -+ DRM_MODE_REFLECT_X | -+ DRM_MODE_REFLECT_Y); -+ -+ if ((rotation & DRM_MODE_ROTATE_MASK) == DRM_MODE_ROTATE_180) { -+ hflip = true; -+ vflip = true; -+ } -+ if (rotation & DRM_MODE_REFLECT_X) -+ hflip ^= true; -+ if (rotation & DRM_MODE_REFLECT_Y) -+ vflip ^= true; -+ - /* Allocate the LBM memory that the HVS will use for temporary - * storage due to our scaling/format conversion. - */ -@@ -609,6 +626,16 @@ static int vc4_plane_mode_set(struct drm - h_subsample = drm_format_horz_chroma_subsampling(format->drm); - v_subsample = drm_format_vert_chroma_subsampling(format->drm); - -+ if (!vflip) -+ src_y = vc4_state->src_y; -+ else -+ /* When vflipped the image offset needs to be -+ * the start of the last line of the image, and -+ * the pitch will be subtracted from the offset. -+ */ -+ src_y = vc4_state->src_y + -+ vc4_state->src_h[0] - 1; -+ - switch (base_format_mod) { - case DRM_FORMAT_MOD_LINEAR: - tiling = SCALER_CTL0_TILING_LINEAR; -@@ -618,12 +645,13 @@ static int vc4_plane_mode_set(struct drm - * out. - */ - for (i = 0; i < num_planes; i++) { -- vc4_state->offsets[i] += vc4_state->src_y / -+ vc4_state->offsets[i] += 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]; -+ (i ? h_subsample : 1) * -+ fb->format->cpp[i]; - } - - break; -@@ -651,11 +679,11 @@ static int vc4_plane_mode_set(struct drm - * SCALER_PITCH0_TILE_Y_OFFSET tells HVS how to walk from that - * base address). - */ -- u32 tile_y = (vc4_state->src_y >> 4) & 1; -- u32 subtile_y = (vc4_state->src_y >> 2) & 3; -- u32 utile_y = vc4_state->src_y & 3; -+ u32 tile_y = (src_y >> 4) & 1; -+ u32 subtile_y = (src_y >> 2) & 3; -+ u32 utile_y = src_y & 3; - u32 x_off = vc4_state->src_x & tile_w_mask; -- u32 y_off = vc4_state->src_y & tile_h_mask; -+ u32 y_off = src_y & tile_h_mask; - - tiling = SCALER_CTL0_TILING_256B_OR_T; - pitch0 = (VC4_SET_FIELD(x_off, SCALER_PITCH0_SINK_PIX) | -@@ -732,7 +760,7 @@ static int vc4_plane_mode_set(struct drm - */ - for (i = 0; i < num_planes; i++) { - vc4_state->offsets[i] += param * tile_w * tile; -- vc4_state->offsets[i] += vc4_state->src_y / -+ vc4_state->offsets[i] += src_y / - (i ? v_subsample : 1) * - tile_w; - vc4_state->offsets[i] += x_off / -@@ -759,7 +787,9 @@ static int vc4_plane_mode_set(struct drm - VC4_SET_FIELD(tiling, SCALER_CTL0_TILING) | - (vc4_state->is_unity ? SCALER_CTL0_UNITY : 0) | - VC4_SET_FIELD(scl0, SCALER_CTL0_SCL0) | -- VC4_SET_FIELD(scl1, SCALER_CTL0_SCL1)); -+ VC4_SET_FIELD(scl1, SCALER_CTL0_SCL1) | -+ (vflip ? SCALER_CTL0_VFLIP : 0) | -+ (hflip ? SCALER_CTL0_HFLIP : 0)); - - /* Position Word 0: Image Positions and Alpha Value */ - vc4_state->pos0_offset = vc4_state->dlist_count; -@@ -1203,5 +1233,11 @@ struct drm_plane *vc4_plane_init(struct - DRM_COLOR_YCBCR_BT709, - DRM_COLOR_YCBCR_LIMITED_RANGE); - -+ drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0, -+ DRM_MODE_ROTATE_0 | -+ DRM_MODE_ROTATE_180 | -+ DRM_MODE_REFLECT_X | -+ DRM_MODE_REFLECT_Y); -+ - return plane; - } |