From 8a813e401fcd41064e52350f120928c95f344af7 Mon Sep 17 00:00:00 2001 From: Paul Kocialkowski Date: Fri, 18 Jan 2019 15:51:24 +0100 Subject: [PATCH] drm/sun4i: frontend: Add and use helper for checking tiling support This introduces a helper to check whether a frontend input format supports tiling mode. This helper is used when tiling is requested in the frontend format support helper. Only semiplanar and planar YUV formats are supported by the hardware. Signed-off-by: Paul Kocialkowski Acked-by: Maxime Ripard Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-15-paul.kocialkowski@bootlin.com --- drivers/gpu/drm/sun4i/sun4i_frontend.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c index 6ede40aab515..1153539f3aef 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.c +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c @@ -121,6 +121,26 @@ static bool sun4i_frontend_format_chroma_requires_swap(uint32_t fmt) } } +static bool sun4i_frontend_format_supports_tiling(uint32_t fmt) +{ + switch (fmt) { + case DRM_FORMAT_NV12: + case DRM_FORMAT_NV16: + case DRM_FORMAT_NV21: + case DRM_FORMAT_NV61: + case DRM_FORMAT_YUV411: + case DRM_FORMAT_YUV420: + case DRM_FORMAT_YUV422: + case DRM_FORMAT_YVU420: + case DRM_FORMAT_YVU422: + case DRM_FORMAT_YVU411: + return true; + + default: + return false; + } +} + void sun4i_frontend_update_buffer(struct sun4i_frontend *frontend, struct drm_plane *plane) { @@ -355,7 +375,9 @@ bool sun4i_frontend_format_is_supported(uint32_t fmt, uint64_t modifier) { unsigned int i; - if (modifier != DRM_FORMAT_MOD_LINEAR) + if (modifier == DRM_FORMAT_MOD_ALLWINNER_TILED) + return sun4i_frontend_format_supports_tiling(fmt); + else if (modifier != DRM_FORMAT_MOD_LINEAR) return false; for (i = 0; i < ARRAY_SIZE(sun4i_frontend_formats); i++) -- 2.11.0