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From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH] drm/i915: Handle YUV subpixel support better
Date: Mon, 18 Mar 2019 15:07:18 +0100	[thread overview]
Message-ID: <20190318140718.1619-1-maarten.lankhorst@linux.intel.com> (raw)

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_sprite.c | 29 +++++++++++++++++++----------
 1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 268fb34ff0e2..862fc172042f 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -269,7 +269,8 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state)
 {
 	const struct drm_framebuffer *fb = plane_state->base.fb;
 	struct drm_rect *src = &plane_state->base.src;
-	u32 src_x, src_y, src_w, src_h;
+	u32 src_x, src_y, src_w, src_h, hsub, vsub;
+	bool rotated = drm_rotation_90_or_270(plane_state->base.rotation);
 
 	/*
 	 * Hardware doesn't handle subpixel coordinates.
@@ -287,18 +288,26 @@ int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state)
 	src->y1 = src_y << 16;
 	src->y2 = (src_y + src_h) << 16;
 
-	if (fb->format->is_yuv &&
-	    (src_x & 1 || src_w & 1)) {
-		DRM_DEBUG_KMS("src x/w (%u, %u) must be a multiple of 2 for YUV planes\n",
-			      src_x, src_w);
+	if (!fb->format->is_yuv)
+		return 0;
+
+	/* YUV specific checks */
+	if (!rotated) {
+		hsub = fb->format->hsub;
+		vsub = fb->format->vsub;
+	} else {
+		hsub = vsub = max(fb->format->hsub, fb->format->vsub);
+	}
+
+	if (src_x % hsub || src_w % hsub) {
+		DRM_DEBUG_KMS("src x/w (%u, %u) must be a multiple of %u for %sYUV planes\n",
+			      src_x, src_w, hsub, rotated ? "rotated " : "");
 		return -EINVAL;
 	}
 
-	if (fb->format->is_yuv &&
-	    fb->format->num_planes > 1 &&
-	    (src_y & 1 || src_h & 1)) {
-		DRM_DEBUG_KMS("src y/h (%u, %u) must be a multiple of 2 for planar YUV planes\n",
-			      src_y, src_h);
+	if (src_y % vsub || src_h % vsub) {
+		DRM_DEBUG_KMS("src y/h (%u, %u) must be a multiple of %u for %sYUV planes\n",
+			      src_y, src_h, vsub, rotated ? "rotated " : "");
 		return -EINVAL;
 	}
 
-- 
2.20.1

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             reply	other threads:[~2019-03-18 14:07 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-18 14:07 Maarten Lankhorst [this message]
2019-03-18 14:18 ` [PATCH] drm/i915: Handle YUV subpixel support better Ville Syrjälä
2019-03-18 15:13   ` Maarten Lankhorst
2019-03-18 18:15     ` Ville Syrjälä
2019-03-19  7:28       ` Maarten Lankhorst
2019-03-19 11:15         ` Ville Syrjälä
2019-03-19 12:45           ` Ville Syrjälä
2019-03-18 17:38 ` ✗ Fi.CI.CHECKPATCH: warning for " Patchwork
2019-03-18 17:39 ` ✗ Fi.CI.SPARSE: " Patchwork
2019-03-18 17:58 ` ✓ Fi.CI.BAT: success " Patchwork
2019-03-19  1:44 ` ✗ Fi.CI.IGT: failure " Patchwork

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