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Commit 8a97bbcc authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Allow up to 32KB stride on SKL+ "sprites" 



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

Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Daniel Stone <daniels@collabora.com>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171222192231.17981-7-ville.syrjala@linux.intel.com


Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 77064e2e

drivers/gpu/drm/i915/intel_sprite.c

+2 −1
Original line number Diff line number Diff line
@@ -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;

	}