From f2d650cc5a822ab06f581b6a2ec56030d85fc62d Mon Sep 17 00:00:00 2001
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From: Jeffy Chen <jeffy.chen@rock-chips.com>
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Date: Tue, 23 Jun 2020 17:17:13 +0800
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Subject: [PATCH 04/74] HACK: backend-drm: Disable DRM_CLIENT_CAP_ASPECT_RATIO
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for kernel < 4.19
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This conflicts with custom cap in Rockchip BSP 4.4 kernel.
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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libweston/backend-drm/kms.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/libweston/backend-drm/kms.c b/libweston/backend-drm/kms.c
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index 780d007..35113d5 100644
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--- a/libweston/backend-drm/kms.c
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+++ b/libweston/backend-drm/kms.c
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@@ -29,6 +29,8 @@
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#include "config.h"
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+#include <linux/version.h>
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+
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#include <stdint.h>
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#include <xf86drm.h>
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@@ -1492,10 +1494,13 @@ init_kms_caps(struct drm_backend *b)
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if (!b->atomic_modeset || getenv("WESTON_FORCE_RENDERER"))
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b->sprites_are_broken = true;
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+ /* HACK: This conflicts with custom cap in Rockchip BSP 4.4 kernel */
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0)
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ret = drmSetClientCap(b->drm.fd, DRM_CLIENT_CAP_ASPECT_RATIO, 1);
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b->aspect_ratio_supported = (ret == 0);
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weston_log("DRM: %s picture aspect ratio\n",
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b->aspect_ratio_supported ? "supports" : "does not support");
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+#endif
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return 0;
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}
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--
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2.20.1
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