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Sat, 14 Nov 2026 22:11:26 -0800 (PST) Received: from jernej-laptop ([2a00:ee2:6a02:9300:bb69:6bcf:1b11:e85b]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4bb5ba25b50sm139331075e9.14.2026.11.14.22.11.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 14 Nov 2026 22:11:25 -0800 (PST) From: Jernej Skrabec To: Chen-Yu Tsai , Samuel Holland Cc: mripard@kernel.org, maarten.lankhorst@linux.intel.com, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, bmasney+clk@redhat.com, jbrunet+clk@baylibre.com, sboyd@kernel.org, Andre Przywara , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH v3 4/8] drm/sun4i: vi_layer: Limit formats for DE33 Date: Sun, 15 Nov 2026 07:10:58 +0100 Message-ID: <20261115061102.229680-5-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.56.1 In-Reply-To: <20261115061102.229680-1-jernej.skrabec@gmail.com> References: <20261115061102.229680-1-jernej.skrabec@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit YUV formats need scaler support due to chroma upscaling, but that's not yet supported in the driver. Remove them from supported list until DE33 scaler is properly supported. Reviewed-by: Chen-Yu Tsai Signed-off-by: Jernej Skrabec --- drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 72 ++++++++++++++++++++------ 1 file changed, 56 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c index 6b19fafd50ad..09d94f7f9977 100644 --- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c +++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c @@ -380,6 +380,33 @@ static const u32 sun8i_vi_layer_de3_formats[] = { DRM_FORMAT_YVU422, }; +static const u32 sun8i_vi_layer_de3_no_yuv_formats[] = { + DRM_FORMAT_ABGR1555, + DRM_FORMAT_ABGR2101010, + DRM_FORMAT_ABGR4444, + DRM_FORMAT_ABGR8888, + DRM_FORMAT_ARGB1555, + DRM_FORMAT_ARGB2101010, + DRM_FORMAT_ARGB4444, + DRM_FORMAT_ARGB8888, + DRM_FORMAT_BGR565, + DRM_FORMAT_BGR888, + DRM_FORMAT_BGRA1010102, + DRM_FORMAT_BGRA5551, + DRM_FORMAT_BGRA4444, + DRM_FORMAT_BGRA8888, + DRM_FORMAT_BGRX8888, + DRM_FORMAT_RGB565, + DRM_FORMAT_RGB888, + DRM_FORMAT_RGBA1010102, + DRM_FORMAT_RGBA4444, + DRM_FORMAT_RGBA5551, + DRM_FORMAT_RGBA8888, + DRM_FORMAT_RGBX8888, + DRM_FORMAT_XBGR8888, + DRM_FORMAT_XRGB8888, +}; + static const uint64_t sun8i_layer_modifiers[] = { DRM_FORMAT_MOD_LINEAR, DRM_FORMAT_MOD_INVALID @@ -395,6 +422,7 @@ struct sun8i_layer *sun8i_vi_layer_init_one(struct drm_device *drm, u32 supported_encodings, supported_ranges; unsigned int format_count; struct sun8i_layer *layer; + bool yuv_support = true; const u32 *formats; int ret; @@ -410,8 +438,18 @@ struct sun8i_layer *sun8i_vi_layer_init_one(struct drm_device *drm, layer->cfg = cfg; if (layer->cfg->de_type >= SUN8I_MIXER_DE3) { - formats = sun8i_vi_layer_de3_formats; - format_count = ARRAY_SIZE(sun8i_vi_layer_de3_formats); + /* + * TODO: DE33 drivers doesn't support scaling yet, which is a + * requirement for YUV support. + */ + yuv_support = layer->cfg->scaler_mask & BIT(phy_index); + if (yuv_support) { + formats = sun8i_vi_layer_de3_formats; + format_count = ARRAY_SIZE(sun8i_vi_layer_de3_formats); + } else { + formats = sun8i_vi_layer_de3_no_yuv_formats; + format_count = ARRAY_SIZE(sun8i_vi_layer_de3_no_yuv_formats); + } } else { formats = sun8i_vi_layer_formats; format_count = ARRAY_SIZE(sun8i_vi_layer_formats); @@ -443,22 +481,24 @@ struct sun8i_layer *sun8i_vi_layer_init_one(struct drm_device *drm, return ERR_PTR(ret); } - supported_encodings = BIT(DRM_COLOR_YCBCR_BT601) | - BIT(DRM_COLOR_YCBCR_BT709); - if (layer->cfg->de_type >= SUN8I_MIXER_DE3) - supported_encodings |= BIT(DRM_COLOR_YCBCR_BT2020); + if (yuv_support) { + supported_encodings = BIT(DRM_COLOR_YCBCR_BT601) | + BIT(DRM_COLOR_YCBCR_BT709); + if (layer->cfg->de_type >= SUN8I_MIXER_DE3) + supported_encodings |= BIT(DRM_COLOR_YCBCR_BT2020); - supported_ranges = BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) | - BIT(DRM_COLOR_YCBCR_FULL_RANGE); + supported_ranges = BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) | + BIT(DRM_COLOR_YCBCR_FULL_RANGE); - ret = drm_plane_create_color_properties(&layer->plane, - supported_encodings, - supported_ranges, - DRM_COLOR_YCBCR_BT709, - DRM_COLOR_YCBCR_LIMITED_RANGE); - if (ret) { - dev_err(drm->dev, "Couldn't add encoding and range properties!\n"); - return ERR_PTR(ret); + ret = drm_plane_create_color_properties(&layer->plane, + supported_encodings, + supported_ranges, + DRM_COLOR_YCBCR_BT709, + DRM_COLOR_YCBCR_LIMITED_RANGE); + if (ret) { + dev_err(drm->dev, "Couldn't add encoding and range properties!\n"); + return ERR_PTR(ret); + } } drm_plane_helper_add(&layer->plane, &sun8i_vi_layer_helper_funcs); -- 2.43.0