[Intel-gfx] [PATCH 6/8] drm/i915: Allow up to 32KB stride on SKL+ "sprites"

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

SKL+ "sprites" no longer have 16KB max stride limit that earlier
platforms had. Bump up the limit to 32KB.

Cc: Ben Widawsky <ben at bwidawsk.net>
Cc: Jason Ekstrand <jason at jlekstrand.net>
Cc: Daniel Stone <daniels at collabora.com>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_sprite.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index cb06acff283d..94188488db05 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -865,6 +865,7 @@ intel_check_sprite_plane(struct intel_plane *plane,
 	struct drm_rect *src = &state->base.src;
 	struct drm_rect *dst = &state->base.dst;
 	const struct drm_rect *clip = &state->clip;
+	int max_stride = INTEL_GEN(dev_priv) >= 9 ? 32768 : 16384;
 	int hscale, vscale;
 	int max_scale, min_scale;
 	bool can_scale;
@@ -885,7 +886,7 @@ intel_check_sprite_plane(struct intel_plane *plane,
 	}
 
 	/* FIXME check all gen limits */
-	if (fb->width < 3 || fb->height < 3 || fb->pitches[0] > 16384) {
+	if (fb->width < 3 || fb->height < 3 || fb->pitches[0] > max_stride) {
 		DRM_DEBUG_KMS("Unsuitable framebuffer for plane\n");
 		return -EINVAL;
 	}
-- 
2.13.6