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74 lines
2.5 KiB
Diff
74 lines
2.5 KiB
Diff
From 58a92eae6ed463c294381e72eefec701d23fcdaf Mon Sep 17 00:00:00 2001
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From: Boris Brezillon <boris.brezillon@bootlin.com>
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Date: Fri, 3 Aug 2018 11:22:30 +0200
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Subject: [PATCH] adjustment out of
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setup_clipping_and_scaling()
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The offset adjustment depends on the framebuffer modified, so let's
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just move this operation in the DRM_FORMAT_MOD_LINEAR case inside
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vc4_plane_mode_set().
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This we'll be able to fix offset calculation for
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DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED and DRM_FORMAT_MOD_BROADCOM_SANDXXX.
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Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
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Reviewed-by: Eric Anholt <eric@anholt.net>
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Link: https://patchwork.freedesktop.org/patch/msgid/20180803092231.26446-4-boris.brezillon@bootlin.com
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---
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drivers/gpu/drm/vc4/vc4_plane.c | 26 ++++++++++++++++----------
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1 file changed, 16 insertions(+), 10 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_plane.c
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+++ b/drivers/gpu/drm/vc4/vc4_plane.c
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@@ -406,16 +406,6 @@ static int vc4_plane_setup_clipping_and_
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vc4_state->y_scaling[1] = VC4_SCALING_NONE;
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}
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- /* Adjust the base pointer to the first pixel to be scanned out. */
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- for (i = 0; i < num_planes; i++) {
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- vc4_state->offsets[i] += (vc4_state->src_y /
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- (i ? v_subsample : 1)) *
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- fb->pitches[i];
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- vc4_state->offsets[i] += (vc4_state->src_x /
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- (i ? h_subsample : 1)) *
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- fb->format->cpp[i];
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- }
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-
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return 0;
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}
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@@ -523,6 +513,7 @@ static int vc4_plane_mode_set(struct drm
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const struct hvs_format *format = vc4_get_hvs_format(fb->format->format);
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u64 base_format_mod = fourcc_mod_broadcom_mod(fb->modifier);
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int num_planes = drm_format_num_planes(format->drm);
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+ u32 h_subsample, v_subsample;
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bool mix_plane_alpha;
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bool covers_screen;
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u32 scl0, scl1, pitch0;
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@@ -568,10 +559,25 @@ static int vc4_plane_mode_set(struct drm
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scl1 = vc4_get_scl_field(state, 0);
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}
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+ h_subsample = drm_format_horz_chroma_subsampling(format->drm);
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+ v_subsample = drm_format_vert_chroma_subsampling(format->drm);
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+
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switch (base_format_mod) {
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case DRM_FORMAT_MOD_LINEAR:
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tiling = SCALER_CTL0_TILING_LINEAR;
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pitch0 = VC4_SET_FIELD(fb->pitches[0], SCALER_SRC_PITCH);
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+
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+ /* Adjust the base pointer to the first pixel to be scanned
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+ * out.
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+ */
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+ for (i = 0; i < num_planes; i++) {
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+ vc4_state->offsets[i] += vc4_state->src_y /
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+ (i ? v_subsample : 1) *
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+ fb->pitches[i];
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+ vc4_state->offsets[i] += vc4_state->src_x /
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+ (i ? h_subsample : 1) *
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+ fb->format->cpp[i];
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+ }
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break;
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case DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED: {
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